Income Taxes - Narrative (Details) - USD ($) $ in Thousands	Dec. 31, 2016	Dec. 31, 2015
Deferred Tax Assets, Net	$ 35,150	$ 41,198
Undistributed Earnings of Foreign Subsidiaries	220,000,000
Domestic Country [Member]
Deferred Tax Assets, Net	3,700
Foreign Tax Authority [Member]
Operating Loss Carryforwards	8,200
Operating Loss Carryforwards, Valuation Allowance	800
Foreign Tax Authority [Member] | Expiration In Year Two [Member]
Operating Loss Carryforwards	200
Foreign Tax Authority [Member] | Expiration In Year Three [Member]
Operating Loss Carryforwards	200
Foreign Tax Authority [Member] | Expiration In Year Four [Member]
Operating Loss Carryforwards	100
Foreign Tax Authority [Member] | Expiration In Year Five [Member]
Operating Loss Carryforwards	500
Foreign Tax Authority [Member] | Expiration In Year Six [Member]
Operating Loss Carryforwards	$ 800