Segment Reporting and Significant Customer Information - Narrative (Details) $ in Thousands	3 Months Ended								12 Months Ended
	Dec. 31, 2015 USD ($) customer	Sep. 30, 2015 USD ($)	Jun. 30, 2015 USD ($)	Mar. 31, 2015 USD ($)	Dec. 31, 2014 USD ($) customer	Sep. 30, 2014 USD ($)	Jun. 30, 2014 USD ($)	Mar. 31, 2014 USD ($)	Dec. 31, 2015 USD ($) customer segment	Dec. 31, 2014 USD ($) customer	Dec. 31, 2013 USD ($) customer
Segment Reporting [Abstract]
Number of reportable operating segments | segment									3
Concentration Risk [Line Items]
Charge (release of) related to reserve anticipated settlement agreements | $	$ 0	$ 0	$ 0	$ 0	$ (1,833)	$ (2,250)	$ (3,500)	$ 0	$ 0	$ (7,583)	$ 22,000
Revenue | Customer Concentration Risk
Concentration Risk [Line Items]
Number of customers	0				0				0	0	0
Concentration risk (percentage)									10.00%	10.00%	10.00%
Accounts Receivable | Credit Concentration Risk
Concentration Risk [Line Items]
Number of customers	1				1				1	1
Concentration risk (percentage)									15.00%	9.60%