Segments - Reconciliation of Net Operating Income to Net Income (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Segment Reporting [Abstract]
Net operating income	$ 154,196	$ 127,630	$ 117,066
Depreciation and amortization	(72,974)	(68,853)	(59,972)
Amortization of right-of-use assets - finance leases	(1,110)	(1,022)	(586)
General and administrative expenses	(15,691)	(14,610)	(12,905)
Acquisition, development and other pursuit costs	(37)	(112)	(584)
Impairment charges	(416)	(21,378)	(666)
Gain on real estate dispositions	53,466	19,040	6,388
Interest income	16,978	18,457	19,841
Interest expense	(39,680)	(33,905)	(31,035)
Loss on extinguishment of debt	(3,374)	(3,810)	0
Change in fair value of derivatives and other	8,698	2,182	(1,130)
Unrealized credit loss release (provision)	(626)	792	(256)
Other income (expense), net	378	302	515
Income tax benefit	145	742	283
Net income	$ 99,953	$ 25,455	$ 36,959