Consolidated Statements of Income - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Revenues
Rental income	$ 462,225
Rental income		$ 442,397	$ 416,978
Other operating	8,073	7,992	7,759
Total Revenue	470,298	450,389	424,737
Expenses
Property operating	180,005
Property operating		170,506	157,252
General and administrative	34,826	34,511	32,992
Acquisition and pursuit costs	1,742	738	2,180
Depreciation and amortization	177,859	164,201	142,472
Bad debt, net of recoveries		60	159
Total Expenses	394,432	370,016	335,055
Other income (expense)
Gain on sales of real estate assets	25,101	41,665	39,524
Interest expense	(55,435)	(52,804)	(56,402)
Loss on extinguishment of debt			(44,985)
Impairment of real estate assets	(5,617)		(5,385)
Interest and other income (expense), net	(730)	537	658
Total other income (expense)	(36,681)	(10,602)	(66,590)
Net income	$ 39,185	$ 69,771	$ 23,092
Basic earnings per common share (in USD per share)	$ 0.29	$ 0.55	$ 0.18
Diluted earnings per common share (in USD per share)	$ 0.29	$ 0.55	$ 0.18
Weighted average common shares outstanding - basic (in shares)	127,999,701	123,292,125	117,926,158
Weighted average common shares outstanding - diluted (in shares)	128,083,984	123,350,933	118,017,165