CONSOLIDATED STATEMENTS OF CHANGES IN EQUITY (USD $) In Thousands	Total	Common Stock	Treasury Stock	Additional Paid-In Capital	Accumulated Deficit	Accumulated Other Comprehensive Income (AOCI)	Non-controlling Interest
Beginning balance at Dec. 31, 2012	$ 339,032	$ 42	$ (28,973)	$ 3,549,533	$ (3,254,744)	$ 40	$ 73,134
Beginning balance (in shares) at Dec. 31, 2012		42,155	(4,211)
Equity-based compensation expense related to stock appreciation rights (SARs) and stock options	1,801			1,801
Equity-based compensation related to deferred stock units (DSUs)	282			282
Equity-based compensation related to restricted stock (RS)	3,446			3,446
Issuance of DSUs	262			262
Issuance of DSUs, shares		53
Issuance of RS, net of forfeitures and surrenders	(331)			(331)
Issuance of RS, net of forfeitures and surrenders, shares		129
Exercise of SARs and stock options, net of surrenders	(709)			(709)
Exercise of SARs and stock options, net of surrenders, shares		100
Impact of redeemable noncontrolling interest accretion	(675)			(675)
Impact of sale of consolidated subsidiaries	(28,144)						(28,144)
Impact of subsidiary equity transactions	2,793			2,299			494
Repurchase of common stock	(7,436)		(7,436)
Repurchase of common stock, shares			(642)
Noncontrolling owners share of AOCI of consolidated subsidiaries						88	(88)
Net income (loss)	4,022				8,878		(4,856)
Ending balance at Sep. 30, 2013	314,343	42	(36,409)	3,555,908	(3,245,866)	128	40,540
Ending balance (in shares) at Sep. 30, 2013		42,437	(4,853)
Beginning balance at Dec. 31, 2013	473,678	43	(40,998)	3,536,761	(3,045,685)	40	23,517
Beginning balance (in shares) at Dec. 31, 2013		43,333	(5,118)
Equity-based compensation expense related to stock appreciation rights (SARs) and stock options	646			646
Equity-based compensation related to deferred stock units (DSUs)	347			347
Equity-based compensation related to restricted stock (RS)	15,431			15,431
Issuance of DSUs	258			258
Issuance of DSUs, shares		36
Issuance of RS, net of forfeitures and surrenders	(1,438)	3		(1,441)
Issuance of RS, net of forfeitures and surrenders, shares		2,802
Exercise of SARs and stock options, net of surrenders	(1,356)			(1,356)
Exercise of SARs and stock options, net of surrenders, shares		130
Impact of redeemable noncontrolling interest accretion	(1,940)			(1,940)
Impact of subsidiary equity transactions	98			279			(181)
Repurchase of common stock	(2,752)		(2,752)
Repurchase of common stock, shares			(174)
Net income (loss)	(37,279)				(33,724)		(3,555)
Ending balance at Sep. 30, 2014	$ 445,693	$ 46	$ (43,750)	$ 3,548,985	$ (3,079,409)	$ 40	$ 19,781
Ending balance (in shares) at Sep. 30, 2014		46,301	(5,292)