Accumulated Comprehensive Income, Reclassification (Details) - USD ($) $ in Thousands		3 Months Ended		9 Months Ended
		Sep. 30, 2016	Sep. 30, 2015	Sep. 30, 2016	Sep. 30, 2015
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Investment securities gains, net		$ 0	$ 129	$ 155	$ 430
Salaries and employee benefits		(4,285)	(3,069)	(12,067)	(9,118)
Provision for income taxes		(767)	(681)	(2,245)	(2,200)
NET INCOME		3,153	2,857	9,467	9,166
Reclassification out of Accumulated Other Comprehensive Income [Member]
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
NET INCOME	[1]	(40)	51	(17)	183
Unrealized Gains (Loss) on Available for Sale Securities [Member] | Reclassification out of Accumulated Other Comprehensive Income [Member]
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Investment securities gains, net	[1]	0	129	155	430
Provision for income taxes	[1]	0	(44)	(53)	(146)
NET INCOME	[1]	0	85	102	284
Defined Benefit Pension Items [Member] | Reclassification out of Accumulated Other Comprehensive Income [Member]
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Salaries and employee benefits	[1]	(61)	(51)	(181)	(153)
Provision for income taxes	[1]	21	17	62	52
NET INCOME	[1]	$ (40)	$ (34)	$ (119)	$ (101)

[1] Amounts in parentheses indicate expenses and other amounts indicate income on the Consolidated Statement of Income