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
Net income						46,794
Balance at Jun. 30, 2020	$ 5	2,295,235	(69,595)	(41,544)	1,875	2,185,976
Balance (in shares) at Jun. 30, 2020	53,851,092
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
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
Issuance of common stock, net of issuance costs		437,100				437,100
Issuance of common stock, net of issuance costs (in shares)	6,851,695
Repurchase of common shares		(3)				(3)
Repurchase of common shares (in shares)	(51)
Forfeiture of restricted stock (in shares)	(2,661)
Stock-based compensation		1,224				1,224
Dividends and distributions declared for the period			(32,311)		(209)	(32,520)
Other comprehensive income (loss) - change in fair value and settlement of interest rate swaps				(2,253)	(8)	(2,261)
Net income			25,258		166	25,424
Balance at Jun. 30, 2020	$ 5	2,295,235	(69,595)	(41,544)	1,875	2,185,976
Balance (in shares) at Jun. 30, 2020	53,851,092
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
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
Net income						52,739
Balance at Jun. 30, 2021	$ 7	3,248,264	(121,619)	(8,257)	1,756	3,120,151
Balance (in shares) at Jun. 30, 2021	68,910,373
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
Issuance of common stock, net of issuance costs	$ 1	336,875				336,876
Issuance of common stock, net of issuance costs (in shares)	4,764,450
Issuance of stock under the Omnibus Incentive Plan		22				22
Issuance of stock under the Omnibus Incentive Plan (in shares)	496
Forfeiture of restricted stock (in shares)	(351)
Stock-based compensation		1,453				1,453
Dividends and distributions declared for the period			(42,829)		(225)	(43,054)
Other comprehensive income (loss) - change in fair value and settlement of interest rate swaps				2,503	14	2,517
Net income			22,347		114	22,461
Balance at Jun. 30, 2021	$ 7	$ 3,248,264	$ (121,619)	$ (8,257)	$ 1,756	$ 3,120,151
Balance (in shares) at Jun. 30, 2021	68,910,373