Income Taxes (Effective Income Tax Expense) (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended								12 Months Ended
	Dec. 31, 2013	Sep. 30, 2013	Jun. 30, 2013	Mar. 31, 2013	Dec. 31, 2012	Sep. 30, 2012	Jun. 30, 2012	Mar. 31, 2012	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Income Tax Disclosure [Abstract]
Statutory federal income tax rate									$ 873	$ 2,274	$ 1,397
State income taxes, net of federal effect									(657)	24	(130)
Change in deferred tax asset valuation allowance									(142)	(1,883)	(1,910)
Foreign taxes in excess of U.S. statutory rate									1,784	486	1,481
Compensation deduction limitation									820	265	360
Other, net									77	131	94
Total	$ 1,084	$ 1,029	$ 586	$ 56	$ (289)	$ 505	$ 584	$ 497	$ 2,755	$ 1,297	$ 1,292