Income Taxes (Details 2) - USD ($) $ in Thousands	3 Months Ended	12 Months Ended
	Sep. 30, 2015	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Valuation and Qualifying Accounts Disclosure [Line Items]
Deferred Tax Liabilities, Net			$ (4,475)
Changes in Valuation and Qualifying Accounts
Charges Utilized	$ 174,456
Tax Valuation Allowance
Changes in Valuation and Qualifying Accounts
Balance at Beginning of Period		$ 193,874	192,823	$ 184,817
Charged (Credited) to Operations		0	0	0
Charged to Other Account		1,299	1,051	8,006
Charges Utilized		(174,456)	0	0
Balance at End of Period		$ 20,717	$ 193,874	$ 192,823