Segment Reporting (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2016	Sep. 30, 2015	Sep. 30, 2016	Sep. 30, 2015	Dec. 31, 2015
Revenues:
Interest income	$ 10,737	$ 10,703	$ 32,711	$ 31,754
Trust and investment fee income	1,168	1,168	3,458	3,629
Other income	1,076	1,003	3,364	3,635
Total operating income	12,981	12,874	39,533	39,018
Expenses:
Interest expense	1,120	1,044	3,376	3,151
Salaries and employee benefits	4,727	4,793	14,152	14,544
Provision for (recovery of) loan losses	(297)	(432)	53	(407)
Other	4,447	4,298	12,787	12,175
Total operating expenses	9,997	9,703	30,368	29,463
Income before income taxes	2,984	3,171	9,165	9,555
Income tax expense	720	850	2,193	2,506
NET INCOME	2,264	2,321	6,972	7,049
Total assets	1,335,002	1,261,290	1,335,002	1,261,290	$ 1,294,863
Capital expenditures	153	285	250	2,756
Goodwill and other intangibles	3,507	3,679	3,507	3,679	$ 3,636
Operating Segments [Member] | Retail Banking [Member]
Revenues:
Interest income	10,803	10,700	32,772	31,746
Trust and investment fee income	0	0	0	0
Other income	1,103	1,003	3,446	3,635
Total operating income	11,906	11,703	36,218	35,381
Expenses:
Interest expense	1,189	1,044	3,445	3,151
Salaries and employee benefits	4,146	4,194	12,483	12,805
Provision for (recovery of) loan losses	(297)	(432)	53	(407)
Other	4,286	4,256	12,299	11,646
Total operating expenses	9,324	9,062	28,280	27,195
Income before income taxes	2,582	2,641	7,938	8,186
Income tax expense	567	722	1,730	2,063
NET INCOME	2,015	1,919	6,208	6,123
Total assets	1,331,515	1,259,205	1,331,515	1,259,205
Capital expenditures	153	285	250	2,756
Goodwill and other intangibles	0	0	0	0
Operating Segments [Member] | Wealth Management [Member]
Revenues:
Interest income	3	3	8	8
Trust and investment fee income	1,208	1,210	3,582	3,753
Other income	0	0	0	0
Total operating income	1,211	1,213	3,590	3,761
Expenses:
Interest expense	0	0	0	0
Salaries and employee benefits	581	599	1,669	1,739
Provision for (recovery of) loan losses	0	0	0	0
Other	228	84	694	653
Total operating expenses	809	683	2,363	2,392
Income before income taxes	402	530	1,227	1,369
Income tax expense	153	128	463	443
NET INCOME	249	402	764	926
Total assets	6,537	6,615	6,537	6,615
Capital expenditures	0	0	0	0
Goodwill and other intangibles	3,507	3,679	3,507	3,679
Intercompany Eliminations [Member]
Revenues:
Interest income	(69)	0	(69)	0
Trust and investment fee income	(40)	(42)	(124)	(124)
Other income	(27)	0	(82)	0
Total operating income	(136)	(42)	(275)	(124)
Expenses:
Interest expense	(69)	0	(69)	0
Salaries and employee benefits	0	0	0	0
Provision for (recovery of) loan losses	0	0	0	0
Other	(67)	(42)	(206)	(124)
Total operating expenses	(136)	(42)	(275)	(124)
Income before income taxes	0	0	0	0
Income tax expense	0	0	0	0
NET INCOME	0	0	0	0
Total assets	(3,050)	(4,530)	(3,050)	(4,530)
Capital expenditures	0	0	0	0
Goodwill and other intangibles	$ 0	$ 0	$ 0	$ 0