Defined Benefit Pension Plan (Details) (USD $)	3 Months Ended
	Mar. 31, 2014 Officer	Mar. 31, 2013
Compensation and Retirement Disclosure [Abstract]
Number of founding Officers Eligible for Retirement Benefit Plan	3
Maximum annual benefits payable under the Executive Retirement Plan, frozen subject to cost-of-living adjustments	$ 900,000.0
Net periodic benefit cost recorded related to the Company's pension plans
Service costs	22,000	21,000
Interest costs	172,000	149,000
Amortization of prior service cost	117,000	345,000
Amortization of net gain/loss	(297,000)	(297,000)
Total recognized in net periodic benefit cost	$ 14,000	$ 218,000