CONDENSED CONSOLIDATED STATEMENT OF EQUITY - USD ($) $ in Thousands	Common Stock [Member]	Additional Paid-in Capital [Member]	Dividends in excess of net income [Member]	Accumulated Other Comprehensive Income (Loss) [Member]	Noncontrolling Interest [Member]	Total
Balance at Dec. 31, 2018	$ 4	$ 1,277,592	$ (42,945)	$ 1,424	$ 2,411	$ 1,238,486
Balance (in shares) at Dec. 31, 2018	37,545,790
Issuance of common stock, net of issuance costs		57,845				57,845
Issuance of common stock, net of issuance costs (in shares)	874,268
Repurchase of common shares		(1,398)				(1,398)
Repurchase of common shares (in shares)	(21,868)
Issuance of restricted stock under the Omnibus Incentive Plan (in shares)	56,592
Stock-based compensation		913				913
Dividends and distributions declared for the period			(21,342)		(193)	(21,535)
Other comprehensive income (loss) - change in fair value and realized gain (loss) on settlement of interest rate swaps				(3,374)	(31)	(3,405)
Net income			18,347		169	18,516
Balance at Mar. 31, 2019	$ 4	1,334,952	(45,940)	(1,950)	2,356	1,289,422
Balance (in shares) at Mar. 31, 2019	38,454,782
Balance at Dec. 31, 2018	$ 4	1,277,592	(42,945)	1,424	2,411	1,238,486
Balance (in shares) at Dec. 31, 2018	37,545,790
Balance at Dec. 31, 2019	$ 5	1,752,912	(57,094)	(6,492)	2,231	1,691,562
Balance (in shares) at Dec. 31, 2019	45,573,623
Issuance of common stock, net of issuance costs		104,615				104,615
Issuance of common stock, net of issuance costs (in shares)	1,400,251
Repurchase of common shares		(1,627)				(1,627)
Repurchase of common shares (in shares)	(20,707)
Issuance of restricted stock under the Omnibus Incentive Plan (in shares)	48,942
Stock-based compensation		1,014				1,014
Dividends and distributions declared for the period			(26,677)		(203)	(26,880)
Other comprehensive income (loss) - change in fair value and realized gain (loss) on settlement of interest rate swaps				(32,799)	(243)	(33,042)
Net income			21,229		141	21,370
Balance at Mar. 31, 2020	$ 5	$ 1,856,914	$ (62,542)	$ (39,291)	$ 1,926	$ 1,757,012
Balance (in shares) at Mar. 31, 2020	47,002,109