CONSOLIDATED STATEMENTS OF OPERATIONS - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2020	Jun. 30, 2019
Income Statement [Abstract]
Revenue from tenants	$ 81,109	$ 76,119	$ 160,351	$ 151,587
Expenses (income):
Property operating	7,835	7,049	15,212	14,408
Operating fees to related parties	8,874	8,162	17,668	16,205
Acquisition, transaction and other costs (Note 9)	33	847	313	1,109
General and administrative	3,412	2,318	6,373	5,524
Equity-based compensation	2,513	2,429	5,001	4,538
Depreciation and amortization	33,984	31,084	67,517	62,387
Total expenses	56,651	51,889	112,084	104,171
Operating income before gain (loss) on dispositions of real estate investments	24,458	24,230	48,267	47,416
Gain (loss) on dispositions of real estate investments	(153)	6,923	(153)	7,815
Operating income	24,305	31,153	48,114	55,231
Other income (expense):
Interest expense	(17,529)	(15,689)	(33,969)	(30,851)
Loss on extinguishment of debt	(309)	(765)	(309)	(765)
(Loss) gain on derivative instruments	(317)	1,390	2,826	1,630
Unrealized income on undesignated foreign currency advances and other hedge ineffectiveness	0	0	0	76
Other income	71	19	119	23
Total other expense, net	(18,084)	(15,045)	(31,333)	(29,887)
Net income before income tax	6,221	16,108	16,781	25,344
Income tax expense	(691)	(780)	(1,650)	(1,740)
Net income	5,530	15,328	15,131	23,604
Preferred stock dividends	(4,564)	(2,707)	(9,127)	(5,192)
Net income attributable to common stockholders	$ 966	$ 12,621	$ 6,004	$ 18,412
Basic and Diluted Earnings Per Share:
Basic and diluted net income per share attributable to common stockholders (in dollars per share)	$ 0.01	$ 0.15	$ 0.06	$ 0.22
Weighted average common shares outstanding:
Basic (in shares)	89,470,114	83,847,120	89,464,433	82,667,421
Diluted (in shares)	90,102,709	85,165,549	90,097,029	83,985,850