Summary of Significant Accounting Policies - Narratives (Details) $ in Thousands	12 Months Ended
	Dec. 31, 2021 USD ($) vie	Dec. 31, 2020 USD ($) vie	Dec. 31, 2019 USD ($)	Jan. 01, 2020 USD ($)
Summary of Significant Accounting Policies
Adjustments to retained earnings	$ 555,256	$ 514,859
Variable interest entity count | vie	10	15
Preferred return (percent)	5.00%
Uncollected rent receivable	$ 9,900	$ 9,200
Straight-line rent receivables	20,800	19,000
Gain (loss) on foreign currency transactions and other	700	(200)	$ (600)
Breached non recourse loans, principal amount	$ 52,600
Cumulative Effect, Period of Adoption, Adjustment
Summary of Significant Accounting Policies
Adjustments to retained earnings				$ (6,900)
Lease revenues- net-leased
Summary of Significant Accounting Policies
Allowance for accounts receivable written off		$ 7,000
Building and building improvements | Maximum
Summary of Significant Accounting Policies
Property plant and equipment (useful life)	40 years
Furniture and fixtures | Maximum
Summary of Significant Accounting Policies
Property plant and equipment (useful life)	7 years