Employee Benefit Plans (Details 1) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2016	Sep. 30, 2015	Sep. 30, 2016	Sep. 30, 2015
Components of net pension cost
Pension expense - three and nine months ended September 30, (actual)	$ 307	$ 348	$ 920	$ 1,044
Pension
Components of net pension cost
Service cost - benefits earned during the year			1,179	1,325
Interest costs on projected benefit obligations			956	838
Expected return on plan assets			(1,057)	(957)
Expected administrative expenses			70	40
Amortization of prior service cost			79	79
Amortization of unrecognized net loss			0	66
Net periodic pension expense			1,227	1,391
Pension expense - three and nine months ended September 30, (actual)	$ 307	$ 348	$ 920	$ 1,044