CONSOLIDATED STATEMENTS OF CHANGES IN EQUITY (USD $) In Thousands, except Share data	Total	Common Stock	Treasury Stock	Additional Paid-In Capital	Accumulated Deficit	Accumulated Other Comprehensive Income (AOCI)	Non- Controlling Interest
Beginning balance at Dec. 31, 2011	$ 253,497	$ 41	$ (20,619)	$ 3,544,121	$ (3,277,733)	$ 74	$ 7,613
Beginning balance (in shares) at Dec. 31, 2011		40,729,000	(3,281,000)
Equity-based compensation expense related to stock appreciation rights (SARs) and stock options	2,488			2,488
Equity-based compensation related to deferred stock units (DSUs)	419			419
Equity-based compensation related to restricted stock (RS)	3,155			3,155
Issuance of DSUs	107			107
Issuance of DSUs, shares		74,000
Issuance of RS, net of forfeitures and surrenders	(188)			(188)
Issuance of RS, net of forfeitures and surrenders, shares		77,000
Exercise of SARs and stock options, net of surrenders	1,003			1,003
Exercise of SARs and stock options, net of surrenders, shares		183,000
Impact of redeemable noncontrolling interest accretion	(839)			(839)
Impact of subsidiary equity transactions	64,014	1		(733)		13	64,733
Impact of subsidiary equity transactions, shares		1,092,000
Repurchase of common stock	(8,354)		(8,354)
Repurchase of common stock, shares			(930,000)
Noncontrolling owners share of AOCI of consolidated subsidiaries						(47)	47
Net income (loss)	23,730				22,989		741
Ending balance at Dec. 31, 2012	339,032	42	(28,973)	3,549,533	(3,254,744)	40	73,134
Ending balance (in shares) at Dec. 31, 2012		42,155,000	(4,211,000)
Equity-based compensation expense related to stock appreciation rights (SARs) and stock options	2,377			2,377
Equity-based compensation related to deferred stock units (DSUs)	377			377
Equity-based compensation related to restricted stock (RS)	2,958			2,958
Issuance of DSUs	359			359
Issuance of DSUs, shares		60,000
Issuance of RS, net of forfeitures and surrenders	(609)			(609)
Issuance of RS, net of forfeitures and surrenders, shares		124,000
Exercise of SARs and stock options, net of surrenders	(11,735)	1		(11,736)
Exercise of SARs and stock options, net of surrenders, shares		994,000
Impact of redeemable noncontrolling interest accretion	(1,088)			(1,088)
Impact of sale of consolidated subsidiaries	(42,315)						(42,315)
Impact of subsidiary equity transactions	(5,799)			(5,410)			(389)
Repurchase of common stock	(12,025)		(12,025)
Repurchase of common stock, shares			(907,000)
Net income (loss)	202,146				209,059		(6,913)
Ending balance at Dec. 31, 2013	473,678	43	(40,998)	3,536,761	(3,045,685)	40	23,517
Ending balance (in shares) at Dec. 31, 2013		43,333,000	(5,118,000)
Equity-based compensation expense related to stock appreciation rights (SARs) and stock options	792			792
Equity-based compensation related to deferred stock units (DSUs)	526			526
Equity-based compensation related to restricted stock (RS)	21,818			21,818
Issuance of DSUs	258	41		258
Issuance of RS, net of forfeitures and surrenders	(1,822)	3		(1,825)
Issuance of RS, net of forfeitures and surrenders, shares		2,777,000
Exercise of SARs and stock options, net of surrenders	(3,207)			(3,207)
Exercise of SARs and stock options, net of surrenders, shares		254,000
Impact of redeemable noncontrolling interest accretion	(2,774)			(2,774)
Impact of subsidiary equity transactions	4,241			2,551			1,690
Repurchase of common stock	(12,809)		(12,809)
Repurchase of common stock, shares			(774,000)
Net income (loss)	(27,820)				(23,556)		(4,264)
Ending balance at Dec. 31, 2014	$ 452,881	$ 46	$ (53,807)	$ 3,554,900	$ (3,069,241)	$ 40	$ 20,943
Ending balance (in shares) at Dec. 31, 2014		46,405,000	(5,892,000)