Employee Benefit Plans (Schedule of Net Periodic Benefit Cost) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2016	Dec. 31, 2015
Split-Dollar Insurance Plan [Member]
Components of Net Period Benefit Cost
Service cost	$ 8	$ 7
Internal cost	37	37
Amortization of net loss	(22)	98
Prior service cost	14	14
Net periodic benefit cost	37	156
Pension Plan [Member]
Components of Net Period Benefit Cost
Internal cost	92	86
Expected return on plan assets	(107)	(99)
Settlement charge	202
Amortization of net loss	98	105
Net periodic benefit cost	$ 285	$ 92