Other Commitments and Contingencies (Details) - USD ($)	Sep. 17, 2014	Dec. 06, 2013	Oct. 28, 2010	Dec. 31, 2015
Loss Contingencies [Line Items]
Company best estimate of exposure				$ 2,000,000
Maximum loss amount				10,000,000
Noncancellable commitments in equipment purchases				$ 10,300,000
The Court
Loss Contingencies [Line Items]
Amount to pay plaintiff			$ 1,000,000
Fifth Civil Court Of Appeal
Loss Contingencies [Line Items]
Amount to pay plaintiff		$ 7,000,000
First Civil Collegiate Tribunal
Loss Contingencies [Line Items]
Amount to pay plaintiff	$ 2,000,000