Employee Benefit Plans (Details 1) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Employee Benefit Plans Disclosure [Abstract]
Service Cost	$ 288	$ 314	$ 298
Interest Cost	797	819	836
Expected Return on Plan Assets	(524)	(570)	(608)
Net Amortization Loss	305	248	159
Curtailment Gain	(197)	0	0
Net Periodic Benefit Cost, Total	669	811	685
Defined Benefit Plan, Change in Benefit Obligation [Roll Forward]
Defined Benefit Plan, Benefit Obligation	19,643	16,866
Service Cost for Defined Benefit Plan	272	303
Interest Cost	797	819	836
Defined Benefit Plan, Contributions by Plan Participants	56	60
Defined Benefit Plan, Actuarial Net (Gains) Losses	(329)	1,547
Defined Benefit Plan, Benefits Paid	(431)	(663)
Defined Benefit Plan, Foreign Currency Exchange Rate Changes, Benefit Obligation	395	711
Defined Benefit Plan, Benefit Obligation	20,403	19,643	16,866
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward]
Defined Benefit Plan, Fair Value of Plan Assets	13,704	12,006
Defined Benefit Plan, Actual Return on Plan Assets	1,125	944
Defined Benefit Plan, Contributions by Plan Participants	56	60
Defined Benefit Plan Payments In Current Fiscal Year	801	873
Defined Benefit Plan, Benefits Paid	(431)	(663)
Defined Benefit Plan, Foreign Currency Exchange Rate Changes, Plan Assets	285	484
Defined Benefit Plan, Fair Value of Plan Assets	15,540	13,704	12,006
Defined Benefit Plan, Funded Status of Plan [Abstract]
Defined Benefit Plan Funded Status Of Plan	(4,863)	(5,939)
Defined Benefit Plan, Amounts Recognized in Balance Sheet [Abstract]
Deferred Income Taxes On Pension Liabilities	985	1,366
Pension Defined Benefit Plans, Liabilities	(4,863)	(5,939)
Defined Benefit Plan, Amounts Recognized in Balance Sheet	(3,878)	(4,573)
Other Comprehensive Income (Loss), Net of Tax, Portion Attributable to Parent [Abstract]
Other Comprehensive Income (Loss), Net of Tax, Portion Attributable to Parent	$ (3,878)	$ (4,573)