Employee Benefit Plans, Other Plans (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2017	Mar. 31, 2016	Dec. 31, 2016
Supplemental Executive Retirement Plans [Member]
Defined Benefit Plan Disclosure [Line Items]
Obligation included in other liabilities	$ 1,488		$ 1,460
Cost recognized	28	$ 30
Continuation of Life Insurance Plan [Member]
Defined Benefit Plan Disclosure [Line Items]
Obligation included in other liabilities	571		569
Salary Continuation Plan [Member]
Defined Benefit Plan Disclosure [Line Items]
Obligation included in other liabilities	720		$ 720
Cost recognized	$ 13	$ 16