Accumulated Other Comprehensive Loss - Schedule of Reclassifications out of AOCI (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2017	Mar. 31, 2016
Reclassifications out of accumulated other comprehensive income
Net securities gains, available for sale	$ 197	$ 435
Income tax provision	(986)	(882)
Salaries and employee benefits	(4,770)	(4,580)
NET INCOME	2,686	3,078
Amount Reclassified from Accumulated Other Comprehensive Loss | Net Unrealized Gain on Available for Sale Securities
Reclassifications out of accumulated other comprehensive income
Net securities gains, available for sale	197	435
Income tax provision	(67)	(148)
NET INCOME	130	287
Amount Reclassified from Accumulated Other Comprehensive Loss | Accumulated Defined Benefit Plans Adjustment, Net Gain (Loss) Attributable to Parent
Reclassifications out of accumulated other comprehensive income
Income tax provision	13	14
Salaries and employee benefits	(39)	(39)
NET INCOME	$ (26)	$ (25)