CONSOLIDATED STATEMENTS OF EQUITY - USD ($) $ in Thousands	Total	Total Stockholders’ Equity	Common Stock	Additional Paid-in Capital	Cumulative Distributions in Excess of Net Income (Loss)	Total Stockholders’ Equity
Balance (in shares) at Dec. 31, 2018			177,523,853
Balance at Dec. 31, 2018	$ 930,895	$ 930,612	$ 1,775	$ 1,555,380	$ (626,543)	$ 283
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net (loss) income	(26,686)	(26,678)			(26,678)	(8)
Issuance of common stock (in shares)			1,181,823
Issuance of common stock	13,497	13,497	$ 12	13,485
Transfers from redeemable common stock	34,108	34,108		34,108
Redemptions of common stock (in shares)			(4,594,982)
Redemptions of common stock	(52,606)	(52,606)	$ (46)	(52,560)
Distributions declared	(28,523)	(28,523)			(28,523)
Other offering costs	(2)	(2)		(2)
Balance (in shares) at Mar. 31, 2019			174,110,694
Balance at Mar. 31, 2019	$ 870,683	870,408	$ 1,741	1,550,411	(681,744)	275
Balance (in shares) at Dec. 31, 2019	180,970,743		180,970,743
Balance at Dec. 31, 2019	$ 985,310	985,055	$ 1,810	1,600,416	(617,171)	255
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net (loss) income	(58,902)	(58,903)			(58,903)	1
Issuance of common stock (in shares)			1,075,449
Issuance of common stock	11,904	11,904	$ 11	11,893
Transfers to redeemable common stock	(8,880)	(8,880)		(8,880)
Redemptions of common stock (in shares)			(261,710)
Redemptions of common stock	(3,049)	(3,049)	$ (3)	(3,046)
Distributions declared	(27,149)	(27,149)			(27,149)
Other offering costs	$ (1)	(1)		(1)
Balance (in shares) at Mar. 31, 2020	181,784,482		181,784,482
Balance at Mar. 31, 2020	$ 899,233	$ 898,977	$ 1,818	$ 1,600,382	$ (703,223)	$ 256