CONSOLIDATED STATEMENTS OF CHANGES IN EQUITY (USD $) In Thousands, except Share data	Total	Common Stock	Treasury Stock at Cost	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	1,887			1,887
Equity-based compensation expense related to deferred stock units (DSUs)	332			332
Equity-based compensation expense related to restricted stock (RS)	2,417			2,417
Issuance of DSUs	223			223
Issuance of DSUs, shares		66,000
Issuance of RS, net of forfeitures and surrenders	(196)			(196)
Issuance of RS, net of forfeitures and surrenders, shares		96,000
Exercise of SARs and stock options, net of surrenders	439			439
Exercise of SARs and stock options, net of surrenders, shares	56,842	58,000
Impact of redeemable noncontrolling interest accretion	(345)			(345)
Impact of subsidiary equity transactions	32,382			(3,057)			35,439
Repurchase of common stock	(8,354)		(8,354)
Repurchase of common stock, shares			(930,000)
Noncontrolling owners share of AOCI of consolidated subsidiary						(47)	47
Net income (loss)	8,876				8,327		549
Ending balance at Sep. 30, 2012	291,158	41	(28,973)	3,545,821	(3,269,406)	27	43,648
Ending balance (in shares) at Sep. 30, 2012		40,949,000	(4,211,000)
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		42,155,000	(4,211,000)
Equity-based compensation expense related to stock appreciation rights (SARs) and stock options	1,801			1,801
Equity-based compensation expense related to deferred stock units (DSUs)	282			282
Equity-based compensation expense related to restricted stock (RS)	3,446			3,446
Issuance of DSUs	262			262
Issuance of DSUs, shares		53,000
Issuance of RS, net of forfeitures and surrenders	(331)			(331)
Issuance of RS, net of forfeitures and surrenders, shares		129,000
Exercise of SARs and stock options, net of surrenders	(709)			(709)
Exercise of SARs and stock options, net of surrenders, shares		100,000
Impact of redeemable noncontrolling interest accretion	(675)			(675)
Impact of subsidiary equity transactions	2,793			2,299			494
Repurchase of common stock	(7,436)		(7,436)
Repurchase of common stock, shares			(642,000)
Noncontrolling owners share of AOCI of consolidated subsidiary						88	(88)
Net income (loss)	4,022				8,878		(4,856)
Impact of sale of consolidated subsidiaries	(28,144)						(28,144)
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		42,437,000	(4,853,000)