Income Taxes (Other Unrecognized Tax Benefits Disclosures) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
Income Tax Disclosure [Abstract]
Impact on the effective tax rate, if unrecognized tax benefits were recognized	$ 3,414	$ 378	$ 306
Interest and penalties, net of tax benefit, accrued in the Consolidated Balance Sheets	273	28	174
Interest and penalties expense (benefit) recognized in the Consolidated Statements of Operations	245
Interest and penalties expense (benefit) recognized in the Consolidated Statements of Operations		$ 146	$ 363
Reasonably possible change in gross unrecognized tax benefits	$ 3,900