Income Taxes (Effective Income Tax Expense) (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended								12 Months Ended
	Dec. 31, 2014	Sep. 30, 2014	Jun. 30, 2014	Mar. 31, 2014	Dec. 31, 2013	Sep. 30, 2013	Jun. 30, 2013	Mar. 31, 2013	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
Income Tax Disclosure [Abstract]
Statutory federal income tax rate									$ (1,457)	$ 873	$ 2,274
State income taxes, net of federal effect									(189)	(657)	24
Change in deferred tax asset valuation allowance									3,735	(142)	(1,883)
Foreign taxes in excess of U.S. statutory rate									714	1,784	486
Compensation deduction limitation									381	820	265
Other, net									57	77	131
Total	$ 2,388	$ 554	$ 186	$ 113	$ 1,084	$ 1,029	$ 586	$ 56	$ 3,241	$ 2,755	$ 1,297