CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (LOSS) - USD ($) shares in Thousands, $ in Thousands	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Income Statement [Abstract]
Revenues	$ 678,404	$ 426,560	$ 316,532
Expenses:
Real estate taxes	73,717	49,708	37,942
Utility expenses	34,302	26,425	20,998
Other operating expenses	120,943	89,610	65,349
Depreciation and amortization	289,885	162,488	109,588
Loss on impairment of real estate	22,255	8,630	9,490
Acquisition and transaction related costs	682	14,508	0
General and administrative	32,728	24,922	18,847
Total expenses	574,512	376,291	262,214
Gain on sale of real estate	105,131	20,661	0
Dividend income	1,960	1,337	1,216
Loss on equity securities, net	(44,007)	(7,552)	0
Interest income	1,045	639	1,962
Interest expense (including net amortization of debt premiums, discounts and issuance costs of $10,740, $3,626 and $3,420, respectively)	(134,880)	(89,865)	(65,406)
Loss on early extinguishment of debt	(769)	(709)	(1,715)
Income (loss) from continuing operations before income tax expense and equity in net losses of investees	32,372	(25,220)	(9,625)
Income tax expense	(778)	(117)	(101)
Equity in net losses of investees	(1,259)	(2,269)	(13)
Income (loss) from continuing operations	30,335	(27,606)	(9,739)
Income from discontinued operations	0	5,722	21,829
Net income (loss)	30,335	(21,884)	12,090
Other comprehensive income (loss):
Unrealized gain on equity securities	0	0	24,042
Unrealized loss on financial instrument	(200)
Unrealized loss on financial instrument		0	0
Equity in unrealized gain (loss) of investees	(106)	(40)	9,428
Other comprehensive income (loss)	(306)	(40)	33,470
Comprehensive income (loss)	30,029	(21,924)	45,560
Net income (loss)	30,335	(21,884)	12,090
Preferred units of limited partnership distributions	0	(371)	(275)
Net income (loss) available for common shareholders	$ 30,335	$ (22,255)	$ 11,815
Weighted average common shares outstanding (basic) (in shares)	48,062	24,830	21,158
Weighted average common shares outstanding (diluted) (in shares)	48,062	24,830	21,158
Per common share amounts (basic and diluted):
Income (loss) from continuing operations (in dollars per share)	$ 0.63	$ (1.13)	$ (0.47)
Income from discontinued operations (in dollars per share)	0	0.23	1.03
Net income (loss) available for common shareholders (in dollars per share)	$ 0.63	$ (0.90)	$ 0.56