Income Taxes (Textual) (Details) - USD ($) $ in Thousands	3 Months Ended								12 Months Ended
	Dec. 31, 2016	Sep. 30, 2016	Jun. 30, 2016	Mar. 31, 2016	Dec. 31, 2015	Sep. 30, 2015	Jun. 30, 2015	Mar. 31, 2015	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
Income Tax Examination [Line Items]
Federal statutory tax rate									34.00%
Effective income tax rate on earnings									35.80%	19.30%	598.00%
Valuation allowance	$ 50,114				$ 45,565				$ 50,114	$ 45,565
Change in valuation allowance (less than)									4,500
Gross deferred tax assets	61,219				50,599				61,219	50,599
Income tax expense (benefit)	(1,263)	$ 685	$ (460)	$ (204)	803	$ (421)	$ (296)	$ (455)	(1,242)	(369)	$ (3,241)
Deferred tax liability	200				300				200	300	$ 200
Operating loss carryforwards, subject to annual limitation	13,500								13,500
Operating loss carryforwards, annual limitation	1,400								1,400
U.S. Federal Tax Authority [Member]
Income Tax Examination [Line Items]
Operating loss carryforwards	94,500								94,500
State Jurisdiction [Member]
Income Tax Examination [Line Items]
Operating loss carryforwards	135,100								135,100
Foreign Subsidiary [Member]
Income Tax Examination [Line Items]
Gross deferred tax assets	$ 8,400				$ 1,500				8,400	1,500
Income tax expense (benefit)									$ 1,700	$ 1,500