Pension Liabilities (Narrative) (Details) (USD $)	1 Months Ended	12 Months Ended
	Mar. 31, 2007	Dec. 31, 2013 M	Dec. 31, 2012	Dec. 31, 2011
Defined Benefit Plan Disclosure [Line Items]
Unrecognized prior service cost		$ 627,000	$ 931,000
Interest cost		202,000	149,000
Amortization of prior service costs		304,000	304,000
Amortization of net gain		356,000
Accumulated unrecognized prior service cost		3,793,000	3,200,000
Estimated amortization of net loss next fiscal year		356,000
Estimated amortization of prior service cost next fiscal year		304,000
Pension expenses		660,000	304,000	832,000
Discount rate		4.25%	3.40%
Rate of compensation increase		7.50%	3.50%
Supplemental Executive Retirement Plans [Member]
Defined Benefit Plan Disclosure [Line Items]
Percentage of monthly salary paid as retirement benefit		40.00%
Measurement period for monthly salary based payment		36 months
Monthly payment amount after retirement		25,000
Period of guaranteed monthly payments		180
Initial pension benefit obligation	2,700,000
Unrecognized prior service cost	2,700,000
Unrecognized prior service cost amortization period	10 years
Interest cost		202,000	149,000	195,000
Amortization of prior service costs		304,000	304,000	304,000
Amortization of net gain		356,000	0
Balance of liability		7,400,000	5,900,000
Accumulated unrecognized prior service cost		3,800,000	3,200,000
Discount rate	5.75%	4.25%	3.40%
Rate of compensation increase	3.50%	7.50%	3.50%
Other Pension Plans [Member]
Defined Benefit Plan Disclosure [Line Items]
Balance of liability		1,100,000	1,000,000
Pension expenses		$ 95,000	$ 204,000