Income Taxes - Schedule of Unrecognized Tax Benefits (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2016
Reconciliation of Unrecognized Tax Benefits, Excluding Amounts Pertaining to Examined Tax Returns [Roll Forward]
Beginning of the Period Balance	$ 9,150	$ 8,485	$ 7,974
Increases related to tax positions taken during a prior period	244	37	63
Decreases related to tax positions taken during the prior period	(1,980)	(895)	(89)
Increases related to tax positions taken during the current period	6,724	1,807	801
Decreases related to settlements	(2,178)	0	0
Decreases related to expiration of statute of limitations	(344)	(284)	(264)
End of the Period Balance	$ 9,150	$ 8,485	$ 7,974	$ 11,616