Commitments and Contingencies (Details) (USD $) In Thousands, unless otherwise specified	9 Months Ended
	Sep. 30, 2012
Commitments and Contingencies (Textual) [Abstract]
Litigation reserve	$ 525
Income tax expense	93,738
Additional tax including accrued interest	54,248
Reduction in recognized deferred tax assets	39,490
Depreciation and amortization	862
Overpayment of alternative minimum tax	2,781
Additional income tax expense	29,678
Tax effect of losing NOLs	11,018
Deferred tax liability	18,660
Cash consideration	4,169
Escrow account	3,430
Cash payments to purchased assets	100,000
Terminating party fees	5,000
Loss on contract termination	20,000
Gain loss on contract termination	40,000
Crest Internal Revenue Service Matter [Member]
Commitments and Contingencies (Textual) [Abstract]
Additional income tax expense	$ 2,781