Income Taxes (Additional Disclosures) (Details) $ in Thousands	12 Months Ended
	Dec. 31, 2016 Filinggroup	Dec. 31, 2015 USD ($) Filinggroup	Dec. 31, 2014 USD ($)	Dec. 31, 2013 USD ($)
Income Taxes [Line Items]
Final adjustment related to acquisition, increase in current deferred tax assets		$ 0	$ 1,162	$ 0
Net operating loss carryforwards		$ 39,700
Number of U.S. tax return filing groups | Filinggroup		2
Valuation allowance		$ 1,093	$ 809
Unremitted earnings outside the US		$ 5,900
Forecast [Member]
Income Taxes [Line Items]
Number of U.S. tax return filing groups | Filinggroup	1