CONSOLIDATED STATEMENTS OF CHANGES IN EQUITY (UNAUDITED) - USD ($) $ in Thousands	Total	Common Stock [Member]	Additional Paid in Capital [Member]	Earnings Less than Distributions [Member]	Accumulated Other Comprehensive Income (Loss) [Member]	Noncontrolling Interest [Member] Consolidated Joint Ventures [Member]	Noncontrolling Interest [Member] Consolidated Real Estate Fund [Member]	Noncontrolling Interest [Member] Operating Partnership [Member]
Beginning balance at Dec. 31, 2020	$ 4,515,734	$ 2,188	$ 4,120,173	$ (456,393)	$ (12,791)	$ 437,161	$ 79,017	$ 346,379
Common stock, shares outstanding at Dec. 31, 2020		218,817,000
Net (loss) income	(8,244)			(19,521)		13,156	56	(1,935)
Common shares issued upon redemption of common units			165					(165)
Common shares issued upon redemption of common units, shares		10,000
Common shares issued under Omnibus share plan, net of shares withheld for taxes	(200)	$ 1		(201)
Common shares issued under Omnibus share plan, net of shares withheld for taxes		135,000
Dividends and distributions	(33,786)			(30,654)				(3,132)
Contributions from noncontrolling interests	121					121
Distributions to noncontrolling interests	(8,562)					(8,562)
Pro rata share of other comprehensive income of unconsolidated joint ventures	4,749				4,313		12	424
Amortization of equity awards	10,311		611					9,700
Reallocation of noncontrolling interest			(7,060)					7,060
Other				(552)		552
Ending balance at Jun. 30, 2021	4,480,123	$ 2,189	4,113,889	(507,321)	(8,478)	442,428	79,085	358,331
Common stock, shares outstanding at Jun. 30, 2021		218,962,000
Beginning balance at Mar. 31, 2021	4,505,935	$ 2,189	4,111,144	(476,051)	(8,809)	438,937	79,114	359,411
Common stock, shares outstanding at Mar. 31, 2021		218,950,000
Net (loss) income	(10,128)			(15,943)		7,428	(29)	(1,584)
Common shares issued upon redemption of common units			165					(165)
Common shares issued upon redemption of common units, shares		10,000
Common shares issued under Omnibus share plan, net of shares withheld for taxes		2,000
Dividends and distributions	(16,897)			(15,327)				(1,570)
Distributions to noncontrolling interests	(3,937)					(3,937)
Pro rata share of other comprehensive income of unconsolidated joint ventures	365				331			34
Amortization of equity awards	4,785		304					4,481
Reallocation of noncontrolling interest			2,276					(2,276)
Ending balance at Jun. 30, 2021	4,480,123	$ 2,189	4,113,889	(507,321)	(8,478)	442,428	79,085	358,331
Common stock, shares outstanding at Jun. 30, 2021		218,962,000
Beginning balance at Dec. 31, 2021	$ 4,455,032	$ 2,190	4,122,680	(538,845)	2,138	428,833	81,925	356,111
Common stock, shares outstanding at Dec. 31, 2021	218,991,795	218,992,000
Net (loss) income	$ 10,160			3,011		8,204	(1,368)	313
Common shares issued upon redemption of common units		$ 65	107,147					(107,212)
Common shares issued upon redemption of common units, shares		6,530,000
Common shares issued under Omnibus share plan, net of shares withheld for taxes	(280)			(280)
Common shares issued under Omnibus share plan, net of shares withheld for taxes		103,000
Dividends and distributions	(37,564)			(34,463)				(3,101)
Distributions to noncontrolling interests	(24,848)					(24,848)
Change in value of interest rate swaps and interest rate caps	24,654				22,485			2,169
Pro rata share of other comprehensive income of unconsolidated joint ventures	13,402				12,217			1,185
Amortization of equity awards	10,798		639					10,159
Reallocation of noncontrolling interest			(1,792)					1,792
Ending balance at Jun. 30, 2022	$ 4,451,354	$ 2,255	4,228,674	(570,577)	36,840	412,189	80,557	261,416
Common stock, shares outstanding at Jun. 30, 2022	225,625,481	225,625,000
Beginning balance at Mar. 31, 2022	$ 4,463,023	$ 2,190	4,120,077	(552,732)	28,466	417,577	80,909	366,536
Common stock, shares outstanding at Mar. 31, 2022		219,077,000
Net (loss) income	4,038			(360)		4,779	(352)	(29)
Common shares issued upon redemption of common units		$ 65	107,147					(107,212)
Common shares issued upon redemption of common units, shares		6,530,000
Common shares issued under Omnibus share plan, net of shares withheld for taxes		18,000
Dividends and distributions	(18,787)			(17,485)				(1,302)
Distributions to noncontrolling interests	(10,167)					(10,167)
Change in value of interest rate swaps and interest rate caps	6,109				5,648			461
Pro rata share of other comprehensive income of unconsolidated joint ventures	2,949				2,726			223
Amortization of equity awards	4,189		317					3,872
Reallocation of noncontrolling interest			1,133					(1,133)
Ending balance at Jun. 30, 2022	$ 4,451,354	$ 2,255	$ 4,228,674	$ (570,577)	$ 36,840	$ 412,189	$ 80,557	$ 261,416
Common stock, shares outstanding at Jun. 30, 2022	225,625,481	225,625,000