Current Expected Credit Losses ("CECL") - Narrative (Details) $ in Millions	12 Months Ended
	Dec. 31, 2021 USD ($) lease	Dec. 31, 2020
Accounts, Notes, Loans and Financing Receivable [Line Items]
Notes receivable, interest rate	4.00%	4.70%
Operating lease, weighted average remaining lease term	6 years 9 months 18 days
Finance lease, weighted average remaining lease term	9 years 6 months
Minimum
Accounts, Notes, Loans and Financing Receivable [Line Items]
Notes receivable, term	1 year
Maximum
Accounts, Notes, Loans and Financing Receivable [Line Items]
Notes receivable, term	7 years
IHOP
Accounts, Notes, Loans and Financing Receivable [Line Items]
Average interest rate	9.90%	9.80%
Notes Receivable Portfolio Segment
Accounts, Notes, Loans and Financing Receivable [Line Items]
Accounts and financing receivable, allowance for credit loss | $	$ 10.4
Equipment Receivables | IHOP
Accounts, Notes, Loans and Financing Receivable [Line Items]
Operating lease, weighted average remaining lease term	4 years 8 months 12 days
Direct financing leases receivable
Accounts, Notes, Loans and Financing Receivable [Line Items]
Number of properties subject to ground leases | lease	70
Finance lease, weighted average remaining lease term	5 years 2 months 12 days