Employee Benefit Plans (Details 1) (USD $) In Thousands, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2014	Sep. 30, 2013	Sep. 30, 2014	Sep. 30, 2013
Components of net pension cost
Pension expense	$ 236	$ 286	$ 708	$ 858
Pension
Components of net pension cost
Service cost - benefits earned during the year				1,174
Interest costs on projected benefit obligations				646
Expected return on plan assets				(797)
Expected administrative expenses				40
Amortization of prior service cost				79
Amortization of unrecognized net loss				31
Net periodic pension expense				1,173
Pension expense		286		858
Pension | Estimated
Components of net pension cost
Service cost - benefits earned during the year			981
Interest costs on projected benefit obligations			732
Expected return on plan assets			(887)
Expected administrative expenses			40
Amortization of prior service cost			79
Amortization of unrecognized net loss			0
Net periodic pension expense			945
Pension expense	$ 236		$ 708