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Number of Franchisees

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Number of Territories in which Entity Operates

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Number of Revenue Operations

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Amount, after allowance for credit loss, of right to consideration from customer for product sold and service rendered in normal course of business.

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Amount charged to advertising expense for the period, which are expenses incurred with the objective of increasing revenue for a specified brand, product or product line.

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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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For an entity that discloses a concentration risk in relation to quantitative amount, which serves as the "benchmark" (or denominator) in the equation, this concept represents the concentration percentage derived from the division.

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Amount of allowance for credit loss on financing receivable. Excludes allowance for financing receivable covered under loss sharing agreement.

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Amount of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations.

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Amount of borrowing capacity currently available under the credit facility (current borrowing capacity less the amount of borrowings outstanding).

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The number of countries in which the entity operates as of balance sheet date.

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Number of operating segments. An operating segment is a component of an enterprise: (a) that engages in business activities from which it may earn revenues and incur expenses (including revenues and expenses relating to transactions with other components of the same enterprise), (b) whose operating results are regularly reviewed by the enterprise's chief operating decision maker to make decisions about resources to be allocated to the segment and assess its performance, and (c) for which discrete financial information is available. An operating segment may engage in business activities for which it has yet to earn revenues, for example, start-up operations may be operating segments before earning revenues.

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Number of segments reported by the entity. A reportable segment is a component of an entity for which there is an accounting requirement to report separate financial information on that component in the entity's financial statements.

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Number of reporting units tested for impairment of goodwill. A reporting unit is an operating segment or one level below an operating segment.

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Represents the number of restaurants.

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Amount of cash inflow from contractual arrangement with the lender, including but not limited to, letter of credit, standby letter of credit and revolving credit arrangements.

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Useful life of long lived, physical assets used in the normal conduct of business and not intended for resale, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. Examples include, but not limited to, land, buildings, machinery and equipment, office equipment, furniture and fixtures, and computer equipment.

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Amount of cash and cash equivalents restricted as to withdrawal or usage, classified as noncurrent. Cash includes, but is not limited to, currency on hand, demand deposits with banks or financial institutions, and other accounts with general characteristics of demand deposits. Cash equivalents include, but are not limited to, short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates.

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Amount, excluding tax collected from customer, of revenue from satisfaction of performance obligation by transferring promised good or service to customer. Tax collected from customer is tax assessed by governmental authority that is both imposed on and concurrent with specific revenue-producing transaction, including, but not limited to, sales, use, value added and excise.

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Total of all stockholders' equity (deficit) items, net of receivables from officers, directors, owners, and affiliates of the entity which are attributable to the parent. The amount of the economic entity's stockholders' equity attributable to the parent excludes the amount of stockholders' equity which is allocable to that ownership interest in subsidiary equity which is not attributable to the parent (noncontrolling interest, minority interest). This excludes temporary equity and is sometimes called permanent equity.

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Basis of Presentation and Summary of Significant Accounting Policies - Additional Information (Details) $ in Thousands	12 Months Ended
	Dec. 31, 2020 USD ($) territory restaurant segment revenueCategory franchisee country reportableUnit	Dec. 31, 2019 USD ($)	Dec. 31, 2018 USD ($) restaurant	Dec. 31, 2017 USD ($)
Concentration Risk [Line Items]
Borrowings from revolving credit facility	$ 220,000	$ 0	$ 75,000
Interest reserve for secured debt	32,800	16,400
Non-current restricted cash	$ 32,800	15,700
Number of reporting units \| reportableUnit	3
Category of revenue categories \| revenueCategory	4
Advertising expense	$ 5,200	6,100	300
Number of operating segments \| segment	5
Number of reporting segments \| segment	4
Allowance for credit loss	$ 23,100	11,300
Stockholders' equity	354,651	241,774	202,273	$ 215,540
Income tax provision	(4,568)	34,127	30,254
Revolving Credit Facility
Concentration Risk [Line Items]
Borrowings from revolving credit facility	220,000
Line of credit facility, available remaining borrowing capacity	2,000
Retained Earnings
Concentration Risk [Line Items]
Stockholders' equity	$ 55,553	(61,653)	(10,414)	$ 69,940
Cumulative Effect, Period Of Adoption, Adjustment
Concentration Risk [Line Items]
Allowance for credit loss		700
Stockholders' equity		497	5,030
Cumulative Effect, Period Of Adoption, Adjustment \| Retained Earnings
Concentration Risk [Line Items]
Stockholders' equity		497	$ 5,030
Income tax provision		$ 200
Building improvements \| Minimum
Concentration Risk [Line Items]
Useful life of property and equipment	25 years
Building improvements \| Maximum
Concentration Risk [Line Items]
Useful life of property and equipment	40 years
Leaseholds and improvements \| Minimum
Concentration Risk [Line Items]
Useful life of property and equipment	3 years
Leaseholds and improvements \| Maximum
Concentration Risk [Line Items]
Useful life of property and equipment	40 years
Equipment and fixtures \| Minimum
Concentration Risk [Line Items]
Useful life of property and equipment	3 years
Equipment and fixtures \| Maximum
Concentration Risk [Line Items]
Useful life of property and equipment	5 years
Internal Use Software \| Minimum
Concentration Risk [Line Items]
Useful life of property and equipment	3 years
Internal Use Software \| Maximum
Concentration Risk [Line Items]
Useful life of property and equipment	10 years
Applebee's
Concentration Risk [Line Items]
Number of restaurants \| restaurant	1,711
Number of territories in which entity operates \| territory	2
Number of countries in which entity operates \| country	11
IHOP
Concentration Risk [Line Items]
Number of restaurants \| restaurant	1,772
Number of territories in which entity operates \| territory	2
Number of countries in which entity operates \| country	9
Franchised \| Applebee's
Concentration Risk [Line Items]
Number of restaurants \| restaurant	1,642
Franchised \| IHOP
Concentration Risk [Line Items]
Number of restaurants \| restaurant	1,611
Franchised Units or Licensing Agreements \| IHOP
Concentration Risk [Line Items]
Number of restaurants \| restaurant	1,769
Entity Operated Units \| Applebee's
Concentration Risk [Line Items]
Number of restaurants \| restaurant	69		69
Revenue from Rights Concentration Risk \| Largest Franchisees
Concentration Risk [Line Items]
Concentration risk by percentage	26.00%
Revenue from Rights Concentration Risk \| Sales Revenue, Net
Concentration Risk [Line Items]
Concentration risk by percentage	11.00%	10.60%	11.90%
Revenue from Rights Concentration Risk \| Sales Revenue, Net \| Largest Franchisees
Concentration Risk [Line Items]
Concentration risk by percentage	17.10%	17.40%	19.80%
Revenue from Rights Concentration Risk \| Accounts Receivable \| Largest Franchisees
Concentration Risk [Line Items]
Number of franchisees \| franchisee	2
Number of restaurants \| restaurant	830
Net accounts receivable	$ 20,400	$ 14,400
Revenue from Rights Concentration Risk \| Accounts Receivable \| Largest Franchisees \| Applebee's
Concentration Risk [Line Items]
Number of franchisees \| franchisee	1
Revenue from Rights Concentration Risk \| Accounts Receivable \| Largest Franchisees \| IHOP
Concentration Risk [Line Items]
Number of franchisees \| franchisee	1
Franchisor - Advertising Revenue
Concentration Risk [Line Items]
Advertising fees included as franchise revenue	$ 201,494	$ 283,015	$ 268,294