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Income Taxes (Details Textual) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2019	Mar. 31, 2018
Income Tax Disclosure [Line Items]
Income Tax Expense (Benefit)	$ (651)	$ 1,219
Latest Tax Year [Member] | Domestic Tax Authority [Member] | Internal Revenue Service (IRS) [Member]
Income Tax Disclosure [Line Items]
Effective Tax Rate, Percent	7.90%	23.70%
Income Tax Expense (Benefit)		$ 1,200
Latest Tax Year [Member] | Domestic Tax Authority [Member] | Internal Revenue Service (IRS) [Member] | Change in Valuation Allowance on Deferred Tax Assets [Member]
Income Tax Disclosure [Line Items]
Income Tax Expense (Benefit)	$ (700)

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