Lessor Operating Leases - Narrative (Details) $ in Millions	12 Months Ended
	Dec. 31, 2021 USD ($) property state	Dec. 31, 2020 USD ($)	Dec. 31, 2019 USD ($)
Lessor, Lease, Description [Line Items]
Number of properties owned	11,136
Number of U.S. states where operating | state	50
Percentage rent received | $	$ 6.5	$ 5.1	$ 8.0
Single-client properties
Lessor, Lease, Description [Line Items]
Number of properties owned	11,043
Single-client properties as percentage of total properties	99.20%
Properties available for lease or sale
Lessor, Lease, Description [Line Items]
Number of properties owned	164