Income Tax Disclosure [Abstract] Income Taxes Income Tax Disclosure [Text Block] Equity [Abstract] Class of Treasury Stock [Table] Class of Treasury Stock [Table] Share Repurchase Program [Axis] Share Repurchase Program [Axis] Share Repurchase Program [Domain] Share Repurchase Program [Domain] October 2015 Share Repurchase Program October Two Thousand Fifteen Share Repurchase Program [Member] October Two Thousand Fifteen Share Repurchase Program [Member] Equity, Class of Treasury Stock [Line Items] Equity, Class of Treasury Stock [Line Items] Payments of dividends Payments of Dividends Dividends declared per common share (USD per share) Common Stock, Dividends, Per Share, Declared Dividends payable Dividends Payable, Current Stock repurchase program, authorized amount Stock Repurchase Program, Authorized Amount Treasury stock reissued (shares) Stock Issued During Period, Shares, Treasury Stock Reissued Treasury stock reissued Stock Issued During Period, Value, Treasury Stock Reissued Fair Value Disclosures [Abstract] Fair Value of non-current financial liabilities Fair Value, by Balance Sheet Grouping [Table Text Block] Stockholders' Equity Stockholders' Equity Note Disclosure [Text Block] Accounting Changes and Error Corrections [Abstract] Excess tax deficiency from stock-based compensation, increase in income tax provision Effective Income Tax Rate Reconciliation, Share-based Compensation, Excess Tax Benefit, Amount Effective Income Tax Rate Reconciliation, Share-based Compensation, Excess Tax Benefit, Amount Disclosure of Compensation Related Costs, Share-based Payments [Abstract] Equity classified awards expense Allocated Share-based Compensation Expense, Equity Classified Awards Allocated Share-based Compensation Expense, Equity Classified Awards Liability classified awards expense Allocated Share-based Compensation Expense, Liability Classified Awards Allocated Share-based Compensation Expense, Liability Classified Awards Total pre-tax stock-based compensation expense Allocated Share-based Compensation Expense Book income tax benefit Employee Service Share-based Compensation, Tax Benefit from Compensation Expense Total stock-based compensation expense, net of tax Allocated Share-based Compensation Expense, Net of Tax Effective income tax rate (percent) Effective Income Tax Rate Reconciliation, Percent Increase in effective tax rate due to adoption of new guidance Effective Income Tax Rate Reconciliation, Share-based Compensation, Excess Tax Benefit, Percent Effective Income Tax Rate Reconciliation, Share-based Compensation, Excess Tax Benefit, Percent Gross unrecognized tax benefit Unrecognized Tax Benefits Expected change in unrecognized tax benefits Significant Change in Unrecognized Tax Benefits is Reasonably Possible, Amount of Unrecorded Benefit Accrued interest on income taxes Unrecognized Tax Benefits, Interest on Income Taxes Accrued Accrued penalties on income taxes, less than Unrecognized Tax Benefits, Income Tax Penalties Accrued Statement of Financial Position [Abstract] Assets Assets [Abstract] Current assets: Assets, Current [Abstract] Cash and cash equivalents Cash and Cash Equivalents, at Carrying Value Receivables, net Accounts, Notes, Loans and Financing Receivable, Net, Current Restricted cash Restricted Cash and Cash Equivalents, Current Prepaid gift card costs Prepaid Gift Cards Carrying amount as of the balance sheet date of payments made in advance related to gift card program which are expected to be relieved as gift cards are redeemed within one year. Prepaid income taxes Prepaid Taxes Other current assets Other Assets, Current Total current assets Assets, Current Long-term receivables, net Accounts, Notes, Loans and Financing Receivable, Net, Noncurrent Property and equipment, net Property, Plant and Equipment, Net Goodwill Goodwill Other intangible assets, net Intangible Assets, Net (Excluding Goodwill) Deferred rent receivable Deferred Rent Receivables, Net, Noncurrent Non-current restricted cash Restricted Cash and Cash Equivalents, Noncurrent Other non-current assets, net Other Assets, Noncurrent Total assets Assets Liabilities and Stockholders’ Equity Liabilities and Equity [Abstract] Current liabilities: Liabilities, Current [Abstract] Accounts payable Accounts Payable, Current Gift card liability Gift Card Liability, Current Accrued employee compensation and benefits Employee-related Liabilities, Current Current maturities of capital lease and financing obligations Capital Lease Obligations, Current Income taxes payable Taxes Payable, Current Other accrued expenses Other Accrued Liabilities, Current Total current liabilities Liabilities, Current Long-term debt, net Long-term Debt, Excluding Current Maturities Capital lease obligations, less current maturities Capital Lease Obligations, Noncurrent Financing obligations, less current maturities Minimum Lease Payments, Sale Leaseback Transactions Deferred income taxes, net Deferred Tax Liabilities, Net, Noncurrent Deferred rent payable Accrued Rent, Noncurrent Other non-current liabilities Other Liabilities, Noncurrent Total liabilities Liabilities Commitments and contingencies Commitments and Contingencies Stockholders’ equity: Stockholders' Equity Attributable to Parent [Abstract] Common stock, $0.01 par value, shares: 40,000,000 authorized; March 31, 2017 - 25,095,008 issued, 17,979,525 outstanding; December 31, 2016 - 25,134,223 issued, 17,969,636 outstanding Common Stock, Value, Issued Additional paid-in-capital Additional Paid in Capital, Common Stock Retained earnings Retained Earnings (Accumulated Deficit) Accumulated other comprehensive loss Accumulated Other Comprehensive Income (Loss), Net of Tax Treasury stock, at cost; shares: March 31, 2017 - 7,115,483; December 31, 2016 - 7,164,587 Treasury Stock, Value Total stockholders’ equity Stockholders' Equity Attributable to Parent Total liabilities and stockholders’ equity Liabilities and Equity Cash and Cash Equivalents [Abstract] Schedule of Restricted Cash and Cash Equivalents [Table] Schedule of Restricted Cash and Cash Equivalents [Table] Cash and Cash Equivalents [Axis] Cash and Cash Equivalents [Axis] Cash and Cash Equivalents [Domain] Cash and Cash Equivalents [Domain] Held in Trust Deposits Held in Trust Deposits [Member] Held in Trust Deposits [Member] Held for Advertising Activity Deposits Held for Advertising Activity Deposits [Member] Held for Advertising Activity Deposits [Member] Restricted Cash and Cash Equivalents Items [Line Items] Restricted Cash and Cash Equivalents Items [Line Items] Current restricted cash Non-current restricted cash Fair Value Measurements Fair Value Disclosures [Text Block] Earnings Per Share [Abstract] Computation of the Company’s basic and diluted net income per share Schedule of Earnings Per Share, Basic and Diluted [Table Text Block] Organization, Consolidation and Presentation of Financial Statements [Abstract] General Organization, Consolidation and Presentation of Financial Statements Disclosure [Text Block] Segment Reporting [Abstract] Schedule of segment reporting information by segment Schedule of Segment Reporting Information, by Segment [Table Text Block] Common stock, par value (in dollars per share) Common Stock, Par or Stated Value Per Share Common stock, shares authorized (in shares) Common Stock, Shares Authorized Common stock, shares issued (in shares) Common Stock, Shares, Issued Common stock, shares outstanding (in shares) Common Stock, Shares, Outstanding Treasury stock, shares (in shares) Treasury Stock, Shares Net income Net Income (Loss) Attributable to Parent Less: Net income allocated to unvested participating restricted stock Undistributed Earnings (Loss) Allocated to Participating Securities, Basic Net income available to common stockholders Net Income (Loss) Available to Common Stockholders, Basic Effect of unvested participating restricted stock in two-class calculation Undistributed Earnings (Loss) Allocated to Participating Securities, Diluted Net income available to common stockholders - diluted Net Income (Loss) Available to Common Stockholders, Diluted Weighted average outstanding shares of common stock - basic (in shares) Weighted Average Number of Shares Outstanding, Basic Dilutive effect of stock options (in shares) Incremental Common Shares Attributable to Dilutive Effect of Share-based Payment Arrangements Weighted average outstanding shares of common stock - diluted (in shares) Weighted Average Number of Shares Outstanding, Diluted Net income per common share - basic (USD per share) Earnings Per Share, Basic Net income per common share - diluted (USD per share) Earnings Per Share, Diluted Schedule of Share-based Compensation Arrangements by Share-based Payment Award [Table] Schedule of Share-based Compensation Arrangements by Share-based Payment Award [Table] Award Type [Axis] Award Type [Axis] Award Type [Domain] Equity Award [Domain] Stock Options Employee Stock Option [Member] Share-based Compensation Arrangement by Share-based Payment Award [Line Items] Share-based Compensation Arrangement by Share-based Payment Award [Line Items] Risk-free interest rate (percent) Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Risk Free Interest Rate Weighted average historical volatility (percent) Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Weighted Average Volatility Rate Dividend yield (percent) Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Dividend Rate Expected years until exercise (years) Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Term Weighted average fair value of options granted (USD per share) Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Weighted Average Grant Date Fair Value Statement of Cash Flows [Abstract] Cash flows from operating activities: Net Cash Provided by (Used in) Operating Activities [Abstract] Adjustments to reconcile net income to cash flows provided by operating activities: Adjustments to Reconcile Net Income (Loss) to Cash Provided by (Used in) Operating Activities [Abstract] Depreciation and amortization Depreciation, Depletion and Amortization Non-cash interest expense Amortization of Debt Issuance Costs and Discounts Deferred income taxes Deferred Income Tax Expense (Benefit) Non-cash stock-based compensation expense Share-based Compensation Tax benefit from stock-based compensation Tax Benefit from Stock-based Compensation Reductions in the entity's income taxes that arise when compensation cost (from non-qualified stock-based compensation) recognized on the entity's tax return exceeds compensation cost from stock-based compensation recognized on the income statement. This element increases net cash provided by operating activities. Excess tax benefit from stock-based compensation Excess Tax Benefit from Share-based Compensation, Operating Activities Closure and impairment charges Impairment and Closure Charges Gross Noncash Impairment and Closure Charges Gross Noncash (Gain) loss on disposition of assets Gain (Loss) on Disposition of Property Plant Equipment, Excluding Oil and Gas Property and Timber Property Other Other Operating Activities, Cash Flow Statement Changes in operating assets and liabilities: Increase (Decrease) in Operating Capital [Abstract] Accounts receivable, net Increase (Decrease) in Receivables Current income tax receivables and payables Increase (Decrease) in Income Taxes Payable, Net of Income Taxes Receivable Gift card receivables and payables Increase (Decrease) in Gift Card Receivables and Payables, Net Increase (decrease) in gift card liability, gift card receivable, prepaid gift card costs and gift-card related accounts payable, net. Other current assets Increase (Decrease) in Other Current Assets Accounts payable Increase (Decrease) in Accounts Payable Accrued employee compensation and benefits Increase (Decrease) in Employee Related Liabilities Other current liabilities Increase (Decrease) in Other Accrued Liabilities Cash flows provided by operating activities Net Cash Provided by (Used in) Operating Activities Cash flows from investing activities: Net Cash Provided by (Used in) Investing Activities [Abstract] Additions to property and equipment Payments to Acquire Property, Plant, and Equipment Principal receipts from notes, equipment contracts and other long-term receivables Proceeds from Collection of Notes Receivable Other Payments for (Proceeds from) Other Investing Activities Cash flows provided by investing activities Net Cash Provided by (Used in) Investing Activities Cash flows from financing activities: Net Cash Provided by (Used in) Financing Activities [Abstract] Dividends paid on common stock Repurchase of common stock Payments for Repurchase of Common Stock Principal payments on capital lease and financing obligations Repayments of Long-term Capital Lease Obligations Tax payments for restricted stock upon vesting Payments for Repurchase of Other Equity Proceeds from stock options exercised Proceeds from Stock Options Exercised Excess tax benefit from stock-based compensation Excess Tax Benefit from Share-based Compensation, Financing Activities Cash flows used in financing activities Net Cash Provided by (Used in) Financing Activities Net change in cash, cash equivalents and restricted cash Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents, Period Increase (Decrease) Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents, Period Increase (Decrease) Cash, cash equivalents and restricted cash at beginning of period Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents Cash, cash equivalents and restricted cash at end of period Supplemental disclosures: Supplemental Cash Flow Information [Abstract] Interest paid in cash Interest Paid, Net Income taxes paid in cash Income Taxes Paid Restricted Stock Units (RSUs) Restricted Stock Units (RSUs) [Member] LTIP Long Term Incentive Plan [Member] Long Term Incentive Plan [Member] Range [Axis] Range [Axis] Range [Domain] Range [Domain] Minimum Minimum [Member] Maximum Maximum [Member] Total compensation cost not yet recognized Employee Service Share-based Compensation, Nonvested Awards, Compensation Cost Not yet Recognized Total compensation cost not yet recognized, period for recognition (in years) Employee Service Share-based Compensation, Nonvested Awards, Compensation Cost Not yet Recognized, Period for Recognition Award vesting period (in years) Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period Multiplier for target award based on total shareholder return on common stock (percent) Share Based Compensation, Multiplier for Target Award Based on Total Shareholder Return on Common Stock Share Based Compensation, Multiplier for Target Award Based on Total Shareholder Return on Common Stock Share-based compensation expense Segments Segment Reporting Disclosure [Text Block] Components of the Company’s stock-based compensation expense Schedule of Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Table Text Block] Schedule of stock option valuation assumptions Schedule of Share-based Payment Award, Stock Options, Valuation Assumptions [Table Text Block] Schedule of stock option activity Schedule of Share-based Compensation, Stock Options, Activity [Table Text Block] Schedule of restricted stock unit activity Schedule of Share-based Compensation, Restricted Stock and Restricted Stock Units Activity [Table Text Block] Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding [Roll Forward] Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding [Roll Forward] Options, outstanding, beginning of period (in shares) Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Number Options, granted (in shares) Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Net of Forfeitures Options, exercised (in shares) Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period Options, forfeited (in shares) Share-based Compensation Arrangement by Share-based Payment Award, Options, Forfeitures in Period Options, outstanding, end of period (in shares) Options, vested and expected to vest (in shares) Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested and Expected to Vest, Outstanding, Number Options, exercisable (in shares) Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Number Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Exercise Price [Roll Forward] Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Exercise Price [Abstract] Weighted average exercise price, beginning of period (per share) Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Exercise Price Weighted average exercise price, granted (per share) Share-based Compensation Arrangements by Share-based Payment Award, Options, Grants in Period, Weighted Average Exercise Price Weighted average exercise price, exercised (per share) Share-based Compensation Arrangements by Share-based Payment Award, Options, Exercises in Period, Weighted Average Exercise Price Weighted average exercise price, forfeited (per share) Share-based Compensation Arrangements by Share-based Payment Award, Options, Forfeitures in Period, Weighted Average Exercise Price Weighted average exercise price, end of period (per share) Weighted average exercise price, vested and expected to vest (per share) Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested and Expected to Vest, Outstanding, Weighted Average Exercise Price Weighted average exercise price, exercisable (per share) Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested and Expected to Vest, Exercisable, Weighted Average Exercise Price Weighted average remaining contractual term (in years) Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Remaining Contractual Term Weighted average remaining contractual term, vested and expected to vest (in years) Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested and Expected to Vest, Exercisable, Weighted Average Remaining Contractual Term Weighted average remaining contractual term, exercisable (in years) Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Weighted Average Remaining Contractual Term Options, outstanding, intrinsic value Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Intrinsic Value Options, vested and expected to vest, intrinsic value Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested and Expected to Vest, Outstanding, Aggregate Intrinsic Value Options, vested and expected to vest, exercisable Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Intrinsic Value Commitments and Contingencies Disclosure [Abstract] Commitments and Contingencies Commitments and Contingencies Disclosure [Text Block] Accounting Policies New Accounting Pronouncements and Changes in Accounting Principles [Text Block] Restricted Cash Cash and Cash Equivalents Disclosure [Text Block] Basis of Presentation Basis of Accounting [Text Block] Fair Value, by Balance Sheet Grouping [Table] Fair Value, by Balance Sheet Grouping [Table] Fair Value, by Balance Sheet Grouping, Disclosure Item Amounts [Axis] Measurement Basis [Axis] Fair Value Measurement [Domain] Fair Value Measurement [Domain] Portion at Fair Value Measurement Portion at Fair Value Measurement [Member] Fair Value Estimate of Fair Value Measurement [Member] Carrying Amount Reported Value Measurement [Member] Fair Value, Hierarchy [Axis] Fair Value, Hierarchy [Axis] Fair Value, Measurements, Fair Value Hierarchy [Domain] Fair Value Hierarchy [Domain] Level 2 Fair Value, Inputs, Level 2 [Member] Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] Long-term debt, net Long-term Debt, Fair Value Stock repurchased during period (in shares) Stock Repurchased During Period, Shares Stock repurchased during period, value Stock Repurchased During Period, Value Cumulative amount of shares repurchased (in shares) Cumulative Amount of Shares Repurchased Cumulative Amount of Shares Repurchased Cumulative payments for repurchase of common stock Cumulative Payments for Repurchase of Common Stock Cumulative Payments for Repurchase of Common Stock Remaining dollar value of shares that may be repurchased Stock Repurchase Program, Remaining Authorized Repurchase Amount Loss Contingencies [Table] Loss Contingencies [Table] Legal Entity [Axis] Legal Entity [Axis] Entity [Domain] Entity [Domain] Applebee's Applebee's [Member] Applebee's [Member] Loss Contingencies by Nature of Contingency [Axis] Loss Contingency Nature [Axis] Loss Contingency, Nature [Domain] Loss Contingency, Nature [Domain] Property Lease Guarantee Property Lease Guarantee [Member] Loss Contingencies [Line Items] Loss Contingencies [Line Items] Potential liability for guaranteed leases Guarantor Obligations, Maximum Exposure, Undiscounted Guarantor obligations Guarantor Obligations, Current Carrying Value Class of Treasury Stock Class of Treasury Stock [Table Text Block] Income Statement [Abstract] Operating Income (Loss) [Abstract] Revenues: Revenues [Abstract] Franchise and restaurant revenues Franchise and Restaurant Revenues Franchise and Restaurant Revenues Rental revenues Rental Income Rental income includes revenue from operating leases and interest income from direct financing leases. Financing revenues Financial Services Revenue Total revenues Revenues Cost of revenues: Cost of Revenue [Abstract] Franchise and restaurant expenses Franchise and Restaurant Expenses Franchise and Restaurant Expenses Rental expenses Rental Expenses Rental expenses are costs of prime operating leases and interest expense on prime capital leases on franchisee-operated restaurants. Total cost of revenues Cost of Revenue Gross profit Gross Profit General and administrative expenses General and Administrative Expense Interest expense Interest Expense, Debt Amortization of intangible assets Amortization of Intangible Assets Closure and impairment charges, net Restructuring, Settlement and Impairment Provisions (Gain) loss on disposition of assets Gain (Loss) on Disposition of Assets Income before income tax provision Income (Loss) from Continuing Operations before Equity Method Investments, Income Taxes, Noncontrolling Interest Income tax provision Income Tax Expense (Benefit) Net income Other comprehensive income, net of tax: Other Comprehensive Income (Loss), Net of Tax [Abstract] Foreign currency translation adjustment Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Adjustment, Net of Tax Total comprehensive income Comprehensive Income (Loss), Net of Tax, Attributable to Parent Net income available to common stockholders: Net Income (Loss) Available to Common Stockholders, Basic [Abstract] Net income available to common stockholders per share: Basic (USD per share) Diluted (USD per share) Weighted average shares outstanding: Weighted Average Number of Shares Outstanding, Diluted [Abstract] Basic (in shares) Diluted (in shares) Dividends paid per common share (USD per share) Common Stock, Dividends, Per Share, Cash Paid Schedule of Franchisor Disclosure [Table] Schedule of Franchisor Disclosure [Table] Franchisor Disclosure [Axis] Franchisor Disclosure [Axis] Franchisor Disclosure [Domain] Franchisor Disclosure [Domain] Franchised Units Franchised Units [Member] Company Operated Entity Operated Units [Member] IHOP IHOP [Member] IHOP Franchisor Disclosure [Line Items] Franchisor Disclosure [Line Items] Number of segments (segment) Number of Reportable Segments Number of restaurants (restaurant) Number of Restaurants Number of territories in which entity operates (territory) Number of Territories in which Entity Operates Number of Territories in which Entity Operates Number of countries in which entity operates (country) Number of Countries in which Entity Operates Schedule of Segment Reporting Information, by Segment [Table] Schedule of Segment Reporting Information, by Segment [Table] Consolidation Items [Axis] Consolidation Items [Axis] Consolidation Items [Domain] Consolidation Items [Domain] Operating Segments Operating Segments [Member] Corporate Corporate, Non-Segment [Member] Segments [Axis] Segments [Axis] Segment [Domain] Segments [Domain] Franchise Operations Franchise Operations [Member] Franchise Operations [Member] Rental Operations Rental Operations [Member] Rental Operations [Member] Company Restaurants Company Restaurants [Member] Company Restaurants [Member] Financing Operations Financing Operations [Member] Financing Operations [Member] Segment Reporting Information [Line Items] Segment Reporting Information [Line Items] Franchise revenues Franchise Revenue Company restaurants Food and Beverage Revenue Total revenues Interest expense Interest Expense Segment profit Net Income per Share Earnings Per Share [Text Block] Document and Entity Information [Abstract] Document and Entity Information [Abstract] Entity Registrant Name Entity Registrant Name Entity Central Index Key Entity Central Index Key Current Fiscal Year End Date Current Fiscal Year End Date Entity Filer Category Entity Filer Category Document Type Document Type Document Period End Date Document Period End Date Document Fiscal Year Focus Document Fiscal Year Focus Document Fiscal Period Focus Document Fiscal Period Focus Amendment Flag Amendment Flag Entity Common Stock, Shares Outstanding Entity Common Stock, Shares Outstanding Restricted Stock Restricted Stock [Member] Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested [Roll Forward] Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number of Shares [Roll Forward] Restricted stock, beginning of period (in shares) Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number Restricted stock, granted (in shares) Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period Restricted stock, released (in shares) Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Vested in Period Restricted stock, forfeited (in shares) Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Forfeited in Period Restricted stock, end of period (in shares) Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value [Roll Forward] Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value [Abstract] Weighted average grant date fair value, beginning balance (per share) Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value Weighted average grant date fair value, granted (per share) Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period, Weighted Average Grant Date Fair Value Weighted average grant date fair value, released (per share) Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Released in Period, Weighted Average Grant Date Fair Value Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Released in Period, Weighted Average Grant Date Fair Value Weighted average grant date fair value, forfeited (per share) Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Forfeitures, Weighted Average Grant Date Fair Value Weighted average grant date fair value, ending balance (per share) Stock-Based Compensation Disclosure of Compensation Related Costs, Share-based Payments [Text Block] Fiscal Period Fiscal Period, Policy [Policy Text Block] Accounting Standards Adopted in the Current Fiscal Year and Not Yet Adopted New Accounting Pronouncements, Policy [Policy Text Block]