CONDENSED CONSOLIDATED STATEMENTS OF CHANGES IN EQUITY - USD ($) shares in Thousands, $ in Thousands	Total	Preferred Shares	Common Shares	Additional Paid-in-Capital	Accumulated Distributions in Excess of Net Income	Accumulated Other Comprehensive Income/(Loss)	Noncontrolling Interests
Beginning Balance at Dec. 31, 2020	$ 1,991,137	$ 94,016	$ 28	$ 3,196,315	$ (1,301,726)	$ (17,963)	$ 20,467
Beginning balance (in shares) at Dec. 31, 2020		1,935,400	277,152,450
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Issuance of partnership interest in real estate	2,712						2,712
Redemption of noncontrolling OP units for common shares				311			(311)
Redemption of noncontrolling OP units for common (in shares)			60,116
Issuance of common shares and deferred compensation amortization, net	1,517			1,517
Issuance of common shares and deferred compensation amortization, net (in shares)			911,202
Repurchase of common shares to settle tax obligations	(5,120)			(5,120)
Repurchase of common shares to settle tax obligations (in shares)			(499,638)
Forfeiture of employee common shares	2				2
Forfeiture of employee common shares (in shares)			(9,274)
Dividends/distributions	(31,743)				(31,369)		(374)
Net income	41,475				41,042		433
Other comprehensive income	5,346					5,346
Ending Balance at Mar. 31, 2021	2,005,326	$ 94,016	$ 28	3,193,023	(1,292,051)	(12,617)	22,927
Ending balance (in shares) at Mar. 31, 2021		1,935,400	277,614,856
Beginning Balance at Dec. 31, 2021	2,323,228	$ 94,016	$ 28	3,252,506	(1,049,434)	(6,258)	32,370
Beginning balance (in shares) at Dec. 31, 2021		1,935,400	283,752,726
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Issuance of partnership interest in real estate	4,109						4,109
Redemption of noncontrolling OP units for common shares				36			(36)
Redemption of noncontrolling OP units for common (in shares)			6,708
Purchase of noncontrolling interest in consolidated joint venture	(27,958)			(25,058)			(2,900)
Issuance of common shares and deferred compensation amortization, net	40,572		$ 1	40,571
Issuance of common shares and deferred compensation amortization, net (in shares)			4,523,173
Repurchase of common shares to settle tax obligations	(6,285)			(6,285)
Repurchase of common shares to settle tax obligations (in shares)			(410,958)
Dividends/distributions	(36,358)				(36,186)		(172)
Net income	10,908				10,622		286
Other comprehensive income	12,266					12,266
Ending Balance at Mar. 31, 2022	$ 2,320,482	$ 94,016	$ 29	$ 3,261,770	$ (1,074,998)	$ 6,008	$ 33,657
Ending balance (in shares) at Mar. 31, 2022		1,935,400	287,871,649