Fair Value Measurements - Items Measured at Fair Value on a Non-Recurring Basis (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2023	Jun. 30, 2022	Jun. 30, 2023	Jun. 30, 2022
Provisions for impairment
Less: total provisions for impairment	$ (29,815)	$ (7,691)	$ (42,993)	$ (14,729)
Properties impaired 2022
Provisions for impairment
Carrying value prior to impairment	97,000	64,500	125,500	98,200
Less: total provisions for impairment	(29,800)	(7,700)	(43,000)	(14,700)
Carrying value after impairment	$ 67,200	$ 56,800	$ 82,500	$ 83,500