Income Taxes Income tax (Details) - USD ($) $ in Thousands	3 Months Ended	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Operating Loss Carryforwards [Line Items]
State net operating loss carry forwards	$ 98,000	$ 98,000
Foreign tax credits	2,300	2,300
Foreign net operating losses	21,300	21,300
Deferred Tax Assets, Valuation Allowance	20,124	20,124	$ 5,161
Valuation Allowance, Deferred Tax Asset, Change in Amount	11,800	15,000
Gross unrecognized tax benefits	0	0
Undistributed earnings of foreign subsidiaries	$ 28,000	28,000
Domestic Tax Authority [Member]
Operating Loss Carryforwards [Line Items]
Valuation Allowance, Deferred Tax Asset, Change in Amount		11,300
State and Local Jurisdiction [Member]
Operating Loss Carryforwards [Line Items]
Valuation Allowance, Deferred Tax Asset, Change in Amount		3,500
Foreign Tax Authority [Member]
Operating Loss Carryforwards [Line Items]
Valuation Allowance, Deferred Tax Asset, Change in Amount		$ 200
Foreign Deferred Tax Assets [Member] | Foreign Tax Authority [Member]
Operating Loss Carryforwards [Line Items]
Valuation Allowance, Deferred Tax Asset, Change in Amount			$ 300	$ 900