CONDENSED CONSOLIDATED STATEMENTS OF EQUITY - USD ($) $ in Thousands		Total		Common Stock	Additional Paid-in Capital	Accumulated Deficit	Accumulated Other Comprehensive (Loss) Income	Treasury Stock	Total Stockholders' Equity	Noncontrolling Interest
Balance at the beginning of the period (in shares) at Dec. 31, 2017				43,300,253
Balance at the beginning of the period at Dec. 31, 2017		$ 3,188,551		$ 433	$ 3,302,502	$ (109,508)	$ (6,965)	$ (3,476)	$ 3,182,986	$ 5,565
Balance at the beginning of the period (in shares) at Dec. 31, 2017								(29,373)
Increase (Decrease) in Stockholders' Equity
Net income		19,802				19,751			19,751	51
Interest rate swaps		13,031	[1]				13,031		13,031
Terminated swap amortization		(319)					(319)		(319)
Pension adjustment, net of tax		556	[2]				556		556
Capitalized swap interest, net of tax		34	[3]				34		34
Adoption of ASU 2018-02		(1,148)	[4]			1,148	(1,148)
Repurchase of common shares (in shares)								(475,920)
Repurchase of common shares		(57,267)						$ (57,267)	(57,267)
Contributions to joint ventures		70,122								70,122
Stock plan activity (in shares)				238,167
Stock plan activity		16,248		$ 3	16,245				16,248
Balance at the end of the period (in shares) at Sep. 30, 2018				43,538,420
Balance at the end of the period at Sep. 30, 2018		3,181,026		$ 436	3,318,747	(157,602)	4,450	$ (60,743)	3,105,288	75,738
Balance at the end of the period (in shares) at Sep. 30, 2018								(505,293)
Balance at the beginning of the period (in shares) at Jun. 30, 2018				43,545,778
Balance at the beginning of the period at Jun. 30, 2018		3,150,611		$ 436	3,314,197	(180,967)	2,515	$ (60,743)	3,075,438	75,173
Balance at the beginning of the period (in shares) at Jun. 30, 2018								(505,293)
Increase (Decrease) in Stockholders' Equity
Net income		23,847				23,365			23,365	482
Interest rate swaps		(367)	[1]				(367)		(367)
Terminated swap amortization		(239)					(239)		(239)
Pension adjustment, net of tax		2,566	[2]				2,566		2,566
Capitalized swap interest, net of tax		(25)	[3]				(25)		(25)
Adoption of ASU 2018-02	[4]	0
Contributions to joint ventures		83								83
Stock plan activity (in shares)				(7,358)
Stock plan activity		4,550		$ 0	4,550				4,550
Balance at the end of the period (in shares) at Sep. 30, 2018				43,538,420
Balance at the end of the period at Sep. 30, 2018		3,181,026		$ 436	3,318,747	(157,602)	4,450	$ (60,743)	3,105,288	75,738
Balance at the end of the period (in shares) at Sep. 30, 2018								(505,293)
Balance at the beginning of the period (in shares) at Dec. 31, 2018				43,511,473
Balance at the beginning of the period at Dec. 31, 2018		3,238,126		$ 436	3,322,433	(120,341)	(8,126)	$ (62,190)	3,132,212	105,914
Balance at the beginning of the period (in shares) at Dec. 31, 2018								(519,849)
Increase (Decrease) in Stockholders' Equity
Net income		75,296				75,056			75,056	240
Interest rate swaps, net of tax		(25,259)	[1]				(25,259)		(25,259)
Terminated swap amortization		(2,055)					(2,055)		(2,055)
Pension adjustment, net of tax	[2]	0
Capitalized swap interest, net of tax		(73)	[3]				(73)		(73)
Adoption of ASU 2018-02	[4]	0
Deconsolidation of Associations of Unit Owners		2,538								2,538
Contributions to joint ventures		84,889								84,889
Stock plan activity (in shares)				241,304
Stock plan activity		11,670		$ 2	11,668				11,670
Balance at the end of the period (in shares) at Sep. 30, 2019				43,752,777
Balance at the end of the period at Sep. 30, 2019		3,380,056		$ 438	3,334,101	(45,285)	(35,513)	$ (62,190)	3,191,551	188,505
Balance at the end of the period (in shares) at Sep. 30, 2019								(519,849)
Balance at the beginning of the period (in shares) at Jun. 30, 2019				43,661,694
Balance at the beginning of the period at Jun. 30, 2019		3,351,767		$ 437	3,329,062	(75,043)	(28,542)	$ (62,190)	3,163,724	188,043
Balance at the beginning of the period (in shares) at Jun. 30, 2019								(519,849)
Increase (Decrease) in Stockholders' Equity
Net income		30,043				29,758			29,758	285
Interest rate swaps, net of tax		(6,207)	[1]				(6,207)		(6,207)
Terminated swap amortization		(764)					(764)		(764)
Pension adjustment, net of tax	[2]	0
Capitalized swap interest, net of tax	[3]	0
Adoption of ASU 2018-02	[4]	0
Deconsolidation of Associations of Unit Owners		177								177
Contributions to joint ventures		0								0
Stock plan activity (in shares)				91,083
Stock plan activity		5,040		$ 1	5,039				5,040
Balance at the end of the period (in shares) at Sep. 30, 2019				43,752,777
Balance at the end of the period at Sep. 30, 2019		$ 3,380,056		$ 438	$ 3,334,101	$ (45,285)	$ (35,513)	$ (62,190)	$ 3,191,551	$ 188,505
Balance at the end of the period (in shares) at Sep. 30, 2019								(519,849)

[1] Amounts are shown net of deferred tax benefit of $1.7 million and $0.2 million for the three months ended September 30, 2019 and 2018, respectively, and deferred tax benefit of $7.0 million and deferred tax expense of $3.7 million for the nine months ended September 30, 2019 and 2018, respectively.

[2] Net of deferred tax benefit of zero and $0.6 million for the three and nine months ended September 30, 2018, respectively.

[3] The deferred tax impact was zero for the three months ended September 30, 2019 and not meaningful for the nine months ended September 30, 2019 and the three and nine months ended September 30, 2018.

[4] The Company adopted Accounting Standards Update ("ASU") 2018-02, Income Statement-Reporting Comprehensive Income (Topic 220): Reclassification of Certain Tax Effects from Accumulated Other Comprehensive Income, as of January 1, 2018.