Consolidated Statements of Income - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Revenues
Rental income	$ 520,334	$ 492,262	$ 462,225
Interest from financing receivables, net	4,192	0	0
Other operating	10,291	7,367	8,073
Total Revenue	534,817	499,629	470,298
Expenses
Property operating	212,273	196,514	180,005
General and administrative	34,152	30,704	34,826
Acquisition and pursuit costs	3,930	2,561	1,742
Depreciation and amortization	202,714	190,435	177,859
Total expenses	453,069	420,214	394,432
Other income (expense)
Gain on sales of real estate properties	55,940	70,361	25,101
Interest expense	(53,124)	(56,174)	(55,435)
Loss on extinguishment of debt		(21,503)
Impairment of real estate properties	(17,101)		(5,617)
Equity loss recognized during the period	(795)	(463)	(19)
Interest and other income (expense), net	(9)	559	(711)
Total other income (expense)	(15,089)	(7,220)	(36,681)
Net income	$ 66,659	$ 72,195	$ 39,185
Basic and diluted earnings per share:
Basic earnings per common share (in dollars per share)	$ 0.45	$ 0.52	$ 0.29
Diluted earnings per common share (in dollars per share)	$ 0.45	$ 0.52	$ 0.29
Weighted average number of shares outstanding, basic and diluted:
Weighted average common shares outstanding - basic (in shares)	142,637,166	133,930,145	127,999,701
Weighted average common shares outstanding - diluted (in shares)	142,710,228	134,006,940	128,083,984
Revenue, Product and Service [Extensible List]	Service [Member]	Service [Member]