Employee Benefit Plans (Details) - USD ($)	12 Months Ended
	Dec. 31, 2016	Dec. 31, 2015
SERP [Member]
Deferred Compensation Arrangement with Individual, Share-based Payments [Line Items]
Carrying value of deferred compensation	$ 329,000	$ 239,000
Period over which benefits will be paid	5 years
401 K Plan [Member]
Deferred Compensation Arrangement with Individual, Share-based Payments [Line Items]
Maximum annual salary contribution for non-highly compensated employees	75.00%
Maximum annual salary contribution for highly compensated employees	7.00%
Employer's percentage match of employee's match percentage	50.00%
Percentage of employee's annual salary that is matched by the employer	6.00%
Amount charged to expense under 401(k) plan	$ 141,000	135,000
Supplemental Plans [Member]
Deferred Compensation Arrangement with Individual, Share-based Payments [Line Items]
Salary Continuation Plan charged to expense	52,000	57,000
Carrying value of deferred compensation	716,000	795,000
Incentive Plan [Member]
Deferred Compensation Arrangement with Individual, Share-based Payments [Line Items]
Carrying value of deferred compensation	199,000	173,000
DCA [Member]
Deferred Compensation Arrangement with Individual, Share-based Payments [Line Items]
Carrying value of deferred compensation	$ 36,000	1,200,000
Maximum earnings rate on deferred compensation, percentage of stock price	10.00%
Period over which benefits will be paid	10 years
Amounts deferred under interest rate earnings election		22,000
Amounts deferred under common stock election		$ 1,160,000
Shares held in Rabbi Trust	$ 96,736