Fair Value Measurements - Fair Value of Company's Financial Instruments (Details) - USD ($) $ in Thousands	Mar. 31, 2022	Dec. 31, 2021
Assets:
Notes receivable, net	$ 1,211	$ 1,097
Liabilities:
Credit facility	(249,075)	(267,641)
Notes payable	(1,464,358)	(1,464,008)
Mortgage debt	(179,886)	(180,269)
Carrying Amount
Assets:
Real estate loans receivable, net	93,176	117,844
Notes receivable, net	1,211	1,097
Liabilities:
Credit facility	(255,000)	(274,000)
Notes payable	(1,475,000)	(1,475,000)
Mortgage debt	(180,604)	(181,035)
Carrying Amount | Derivative assets
Assets:
Asset balance at March 31, 2022 (included in Other assets)	908	0
Liabilities:
Derivative liabilities		(452)
Carrying Amount | Derivative liabilities
Liabilities:
Derivative liabilities	0	(452)
Fair Value
Assets:
Real estate loans receivable, net	90,592	115,385
Notes receivable, net	1,211	1,097
Liabilities:
Credit facility	(255,000)	(274,000)
Notes payable	(1,436,801)	(1,554,802)
Mortgage debt	(179,267)	(182,189)
Fair Value | Derivative assets
Assets:
Asset balance at March 31, 2022 (included in Other assets)	908	0
Fair Value | Derivative liabilities
Liabilities:
Derivative liabilities	$ 0	$ (452)