Description of Business and Summary of Significant Accounting Policies - Recently Adopted Accounting Policies (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
New Accounting Pronouncement, Early Adoption [Line Items]
Accumulated earnings (deficit)	$ (129,072)	$ 39,872
Other income (expense), net	63,788	4,930	$ (1,416)
Deferred tax assets	69,872	$ 82,557
New Accounting Pronouncement, Early Adoption, Effect [Member]
New Accounting Pronouncement, Early Adoption [Line Items]
Accumulated earnings (deficit)	(2,800)
Other income (expense), net	8,800
Other Long Term Liability [Member] | New Accounting Pronouncement, Early Adoption, Effect [Member]
New Accounting Pronouncement, Early Adoption [Line Items]
Other income (expense), net	2,800
Other Assets [Member] | New Accounting Pronouncement, Early Adoption, Effect [Member]
New Accounting Pronouncement, Early Adoption [Line Items]
Deferred finance costs	(500)
Deferred tax assets	66,900
Convertible Senior Notes [Member] | New Accounting Pronouncement, Early Adoption, Effect [Member]
New Accounting Pronouncement, Early Adoption [Line Items]
Deferred finance costs	500
Other Current Assets [Member] | New Accounting Pronouncement, Early Adoption, Effect [Member]
New Accounting Pronouncement, Early Adoption [Line Items]
Deferred tax assets	$ (66,900)