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, 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 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
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
Balance at Dec. 31, 2020	$ 6	2,652,090	(91,343)	(36,266)	1,762	2,526,249
Balance (in shares) at Dec. 31, 2020	60,021,483
Issuance of common stock, net of issuance costs		258,105				258,105
Issuance of common stock, net of issuance costs (in shares)	4,028,410
Repurchase of common shares		(1,780)				(1,780)
Repurchase of common shares (in shares)	(27,594)
Issuance of restricted stock under the Omnibus Incentive Plan		298				298
Issuance of restricted stock under the Omnibus Incentive Plan (in shares)	128,066
Forfeiture of restricted stock		(92)				(92)
Forfeiture of restricted stock (in shares)	(4,587)
Stock-based compensation		1,293				1,293
Dividends and distributions declared for the period			(39,906)		(215)	(40,121)
Other comprehensive income (loss) - change in fair value and settlement of interest rate swaps				25,506	140	25,646
Net income			30,112		166	30,278
Balance at Mar. 31, 2021	$ 6	$ 2,909,914	$ (101,137)	$ (10,760)	$ 1,853	$ 2,799,876
Balance (in shares) at Mar. 31, 2021	64,145,778