Basis of Presentation and Nature of Operations (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2013	Sep. 30, 2012	Sep. 30, 2013	Sep. 30, 2012	Dec. 31, 2012
Deferred Tax Assets Net Current	$ 41,047		$ 41,047		$ 32,201
Assets Current	416,601		416,601		441,388
Assets	1,562,082	1,523,256	1,562,082	1,523,256	1,599,006
Accrued Liabilities Current	78,617		78,617		81,076
Other Liabilities Noncurrent	20,616		20,616		15,232
Liabilities					1,226,596
Additional Paid In Capital	361,012		361,012		359,160
Retained Earnings Accumulated Deficit	673		673		29,203
Stockholders Equity	349,586		349,586		372,410
Liabilities And Stockholders Equity	1,562,082		1,562,082		1,599,006
Total revenues	324,797	340,400	954,871	1,072,815
Total expenses	319,956	314,829	948,521	966,861
Operating income	4,841	25,571	6,350	105,954
Income (loss) from continuing operations before income taxes	(11,844)	10,761	(43,584)	61,476
Net income (loss)	(6,956)	6,663	(28,530)	39,389
Scenario, Previously Reported [Member]
Deferred Tax Assets Net Current					29,113
Assets Current					438,300
Assets					1,595,918
Accrued Liabilities Current					77,716
Other Liabilities Noncurrent					13,667
Liabilities					1,221,671
Additional Paid In Capital					355,687
Retained Earnings Accumulated Deficit					34,513
Stockholders Equity					374,247
Liabilities And Stockholders Equity					1,595,918
Total revenues		340,400		1,072,815
Total expenses		315,150		964,609
Operating income		25,250		108,206
Income (loss) from continuing operations before income taxes		10,440		63,728
Net income (loss)		6,464		40,832
Restatement Adjustment [Member]
Deferred Tax Assets Net Current					3,088
Assets Current					3,088
Assets					3,088
Accrued Liabilities Current					3,360
Other Liabilities Noncurrent					1,565
Liabilities					4,925
Additional Paid In Capital					3,473
Retained Earnings Accumulated Deficit					(5,310)
Stockholders Equity					(1,837)
Liabilities And Stockholders Equity					3,088
Total expenses		(321)		2,252
Operating income		(321)		2,252
Income (loss) from continuing operations before income taxes		321		(2,252)
Net income (loss)		$ 199		$ (1,443)