Income Taxes (Textual) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Income Tax Examination [Line Items]
Federal statutory tax rate	34.00%
Effective income tax rate on earnings	19.30%	598.00%	57.30%
Valuation allowance	$ 45,565	$ 52,002
Change in valuation allowance (less than)	6,400
Gross deferred tax assets	50,599	58,043
Deferred tax liability	300	$ 200	$ 400
Operating loss carryforwards, subject to annual limitation	13,800
Operating loss carryforwards, annual limitation	1,400
U.S. Federal Tax Authority [Member]
Income Tax Examination [Line Items]
Operating loss carryforwards	91,100
State Jurisdiction [Member]
Income Tax Examination [Line Items]
Operating loss carryforwards	139,200
Foreign Subsidiary [Member]
Income Tax Examination [Line Items]
Gross deferred tax assets	$ 1,500