Current Expected Credit Losses - Narrative (Details) $ in Millions	Sep. 30, 2020 USD ($) properties
Financing Receivable, Allowance for Credit Loss [Line Items]
Finance lease, weighted average remaining lease term	9 years
Operating lease, weighted average remaining lease term	7 years 4 months 24 days
Notes Receivable | Applebee's
Financing Receivable, Allowance for Credit Loss [Line Items]
Accounts and financing receivable, allowance for credit loss | $	$ 14.4
Lease Receivables
Financing Receivable, Allowance for Credit Loss [Line Items]
Finance lease, weighted average remaining lease term	4 years 1 month 6 days
Number of properties subject to ground leases | properties	98
Equipment Notes
Financing Receivable, Allowance for Credit Loss [Line Items]
Operating lease, weighted average remaining lease term	5 years 7 months 6 days