CONDENSED CONSOLIDATED STATEMENTS OF EQUITY UNAUDITED - 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, 2016				39,802,064
Balance at the beginning of the period at Dec. 31, 2016		$ 2,571,510		$ 398	$ 2,853,269	$ (277,912)	$ (6,786)	$ (1,231)	$ 2,567,738	$ 3,772
Balance at the beginning of the period (in shares) at Dec. 31, 2016								(12,061)
Increase (Decrease) in Stockholders' Equity
Net (loss) income		8,779				8,779			8,779
Interest rate swaps, net of tax		(2,250)	[1]				(2,250)		(2,250)
Capitalized swap interest, net of tax		(121)	[2]				(121)		(121)
Stock plan activity (in shares)				347,583				4,321
Stock plan activity		13,962		$ 3	14,491			$ (532)	13,962
Exercise of warrants (in shares)				3,052,453
Exercise of Warrants		375,613		$ 31	375,582				375,613
Terminated swap amortization		0
Pension adjustment	[3]	0
Adoption of ASU 2017-12	[4]	0
Adoption of ASU 2018-02	[5]	0
Balance at the end of the period (in shares) at Jun. 30, 2017				43,202,100
Balance at the end of the period at Jun. 30, 2017		2,967,493		$ 432	3,243,342	(269,133)	(9,157)	$ (1,763)	2,963,721	3,772
Balance at the end of the period (in shares) at Jun. 30, 2017								(16,382)
Balance at the beginning of the period at Mar. 31, 2017							(6,428)
Increase (Decrease) in Stockholders' Equity
Net (loss) income		3,120
Interest rate swaps, net of tax	[1]	(2,683)
Capitalized swap interest, net of tax	[2]	(46)
Terminated swap amortization		0
Pension adjustment	[3]	0
Adoption of ASU 2017-12	[4]	0
Adoption of ASU 2018-02	[5]	0
Balance at the end of the period (in shares) at Jun. 30, 2017				43,202,100
Balance at the end of the period at Jun. 30, 2017		2,967,493		$ 432	3,243,342	(269,133)	(9,157)	$ (1,763)	2,963,721	3,772
Balance at the end of the period (in shares) at Jun. 30, 2017								(16,382)
Increase (Decrease) in Stockholders' Equity
Adoption of ASU 2014-09		(69,732)				(69,732)			(69,732)
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 (loss) income		(4,045)				(3,614)			(3,614)	(431)
Interest rate swaps, net of tax		13,398	[1]				13,398		13,398
Capitalized swap interest, net of tax		59	[2]				59		59
Stock plan activity (in shares)				245,525
Stock plan activity		11,698		$ 3	11,695				11,698
Terminated swap amortization		(80)					(80)		(80)
Pension adjustment		(2,010)	[3]				(2,010)		(2,010)
Adoption of ASU 2017-12		(739)	[4]			739	(739)
Adoption of ASU 2018-02		(1,148)	[5]			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		70,039			0				0	70,039
Balance at the end of the period (in shares) at Jun. 30, 2018				43,545,778
Balance at the end 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 end of the period (in shares) at Jun. 30, 2018								(505,293)
Balance at the beginning of the period at Mar. 31, 2018							(797)
Increase (Decrease) in Stockholders' Equity
Net (loss) income		(5,879)
Interest rate swaps, net of tax	[1]	5,353
Capitalized swap interest, net of tax	[2]	49
Terminated swap amortization		(80)
Pension adjustment	[3]	(2,010)
Adoption of ASU 2017-12	[4]	0
Adoption of ASU 2018-02	[5]	0
Balance at the end of the period (in shares) at Jun. 30, 2018				43,545,778
Balance at the end 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 end of the period (in shares) at Jun. 30, 2018								(505,293)

[1] Amounts are shown net of deferred tax expense of $1.8 million and $1.5 million for the three months ended June 30, 2018 and 2017, respectively, and $3.9 million and $1.2 million for the six months ended June 30, 2018 and 2017, respectively.

[2] The deferred tax impact was not meaningful for the three months ended June 30, 2018 and 2017 and for the six months ended June 30, 2018. Amount is net of deferred tax benefit of $0.1 million for the six months ended June 30, 2017.

[3] Net of deferred tax benefit of $0.6 million, for the three and six months ended June 30, 2018

[4] The Company adopted ASU 2017-12, Derivatives and Hedging (Topic 815): Targeted Improvements to Accounting for Hedging Activities, as of January 1, 2018. See Note 2 - Accounting Policies and Pronouncements for further discussion.

[5] 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. See Note 2 - Accounting Policies and Pronouncements for further discussion.