Leases - Narrative (Details) $ in Millions	6 Months Ended
	Jun. 30, 2021 USD ($) property	Jun. 30, 2020 USD ($)
Lessor, Lease, Description [Line Items]
Number of Properties | property	3,885
Weighted average remaining lease term	15 years 8 months 12 days
Weighted average discount rate	4.91%
Increase (reduction) of right-of-use assets	$ (0.6)	$ 0.1
Increase (reduction) of operating lease liabilities	$ (4.1)	$ 0.1
Minimum [Member]
Lessor, Lease, Description [Line Items]
Lease terms	14 days
Remaining lease terms	2 months 12 days
Maximum [Member]
Lessor, Lease, Description [Line Items]
Lease terms	24 years 9 months 18 days
Remaining lease terms	78 years 1 month 6 days