Employee Benefit Plans (Details) - USD ($) $ in Thousands	3 Months Ended	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
Salary Continuation Plan
Period for which annual cash payments are payable		15 years
Liability under salary continuation agreements	$ 2,500	$ 2,400	$ 2,500
Expenses associated with the salary continuation plans		200	200	$ 200
Bank Owned Life Insurance	32,850	33,715	32,850
Bank Owned Life Insurance Income		1,158	855	774
Purchase of additional BOLI policies	$ 7,500		7,500
Savings plan pursuant to section 401(k) of the Internal Revenue Code
Expenses incurred as associated with the plan		$ 400	$ 400	$ 300
Maximum
Salary Continuation Plan
Age at which annual cash payments are payable		65 years
Minimum
Salary Continuation Plan
Age at which annual cash payments are payable		60 years