Basis of Presentation Basis of Presentation (Details Textuals 2) - USD ($) $ in Thousands	Mar. 31, 2016	Dec. 31, 2015
Accounting Changes and Error Corrections [Abstract]
Current deferred tax assets, Net		$ 1,500
Issuance costs on senior subordinated notes	$ 29,803	32,752
New Accounting Pronouncement, Early Adoption [Line Items]
Accumulated deficit	(1,228,039)	(1,042,882)
Other Assets, Current	8,763	10,005
Additional Paid in Capital	$ 2,356,069	2,353,134
ASU 2016-09 Cumulative Effect Adjustment for Timing of Recognition of Excess Tax Benefits [Member]
New Accounting Pronouncement, Early Adoption [Line Items]
Accumulated deficit		15,700
Deferred Tax Liabilities, Net		14,800
Other Assets, Current		800
ASU 2016-09 Cumulative Effect of Actual Forfeiture Rate [Member]
New Accounting Pronouncement, Early Adoption [Line Items]
Additional Paid in Capital		$ 400