Income Taxes (Provision for Income Taxes) (Details) - USD ($) $ in Thousands	12 Months Ended
Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Current tax expense (benefit):
Federal	$ 4,208	$ 2,256	$ (2,274)
State	1,238	516	502
Foreign	6,949	11,995	9,247
Current income tax expense (benefit)	12,395	14,767	7,475
Deferred income tax expense (benefit)	2,251	(284)	7,218
Provision for income taxes	$ 14,646	$ 14,483	$ 14,693

Amount of current federal tax expense (benefit) pertaining to income (loss) from continuing operations.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
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Amount of current income tax expense (benefit) pertaining to taxable income (loss) from continuing operations.

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Amount of current state and local tax expense (benefit) pertaining to income (loss) from continuing operations.

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