Employee Benefit Plans, Other Plans (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2017	Sep. 30, 2016	Sep. 30, 2017	Sep. 30, 2016	Dec. 31, 2016
Supplemental Executive Retirement Plan [Member]
Defined Benefit Plan Disclosure [Line Items]
Obligation included in other liabilities	$ 1,544		$ 1,544		$ 1,460
Cost recognized	28	$ 30	84	$ 91
Salary Continuation Plan [Member]
Defined Benefit Plan Disclosure [Line Items]
Obligation included in other liabilities	720		720		720
Cost recognized	13	$ 17	40	$ 49
Continuation of Life Insurance Plan [Member]
Defined Benefit Plan Disclosure [Line Items]
Obligation included in other liabilities	$ 576		$ 576		$ 569