Segments - Reconciliation of Net Operating Income to Net Income (Details) - USD ($) $ in Thousands	3 Months Ended						9 Months Ended
	Sep. 30, 2022	Jun. 30, 2022	Mar. 31, 2022	Sep. 30, 2021	Jun. 30, 2021	Mar. 31, 2021	Sep. 30, 2022	Sep. 30, 2021
Segment Reporting [Abstract]
Net operating income	$ 38,314			$ 32,858			$ 114,262	$ 94,647
Depreciation and amortization	(17,527)			(16,886)			(54,865)	(52,237)
Amortization of right-of-use assets - finance leases	(278)			(278)			(833)	(745)
General and administrative expenses	(3,854)			(3,449)			(12,179)	(10,957)
Acquisition, development and other pursuit costs	0			(8)			(37)	(111)
Impairment charges	0			0			(333)	(3,122)
Gain (loss) on real estate dispositions, net	33,931			(113)			53,424	3,604
Interest income	3,490			3,766			10,410	14,628
Interest expense	(10,345)			(8,827)			(28,747)	(25,220)
Loss on extinguishment of debt	(2,123)			(120)			(2,899)	(120)
Change in fair value of derivatives and other	782			131			7,512	838
Unrealized credit loss release (provision)	42			617			(858)	284
Other income (expense), net	118			15			415	201
Income tax (provision) benefit	(181)			42			140	522
Net income	$ 42,369	$ 30,767	$ 12,276	$ 7,748	$ 8,455	$ 6,009	$ 85,412	$ 22,212