Commitments and Contingencies - Narrative (Details) - USD ($) $ in Millions	1 Months Ended
	Jul. 31, 2015	Dec. 31, 2016	Aug. 23, 2016
PacchiaCase
Loss Contingencies [Line Items]
Settlement payments	$ 202
Revolver
Loss Contingencies [Line Items]
Amount of letters of credit that can be issued under the Revolver		$ 50	$ 50