Real Estate (Impairments) (Details) $ in Thousands	12 Months Ended
	Dec. 31, 2021 USD ($) Property	Dec. 31, 2020 USD ($) Property	Dec. 31, 2019 USD ($) Property
Lessor, Lease, Description [Line Items]
Real estate impairments, net of recoveries | $	$ 21,957	$ 37,442	$ 31,992
Vacant	30	14	27
Occupied	12	17	12
Minimum
Lessor, Lease, Description [Line Items]
Initial lease terms	10 years
Maximum
Lessor, Lease, Description [Line Items]
Initial lease terms	20 years