Loans, Receivables Past Due (Details) - USD ($) $ in Thousands		Sep. 30, 2016	Dec. 31, 2015
Non performing loans [Abstract]
90+ and Still Accruing		$ 0	$ 118
Non-Accrual		10,801	10,607
Total Non-performing Loans		10,801	10,725
Accrued interest included in recorded investment		0	2
Aging analysis of loans by class [Abstract]
Total		17,420	15,637
Loans not Past Due		1,594,696	1,504,250
Total loans recorded investment		1,612,116	1,519,887
Accrued interest included in recorded investment		4,762	4,837
Loans Past Due, 30-59 days [Member]
Aging analysis of loans by class [Abstract]
Total		6,431	5,881
Accrued interest included in recorded investment		67	53
Loans Past Due, 60-89 days [Member]
Aging analysis of loans by class [Abstract]
Total		2,443	1,555
Accrued interest included in recorded investment		28	17
Loans Past Due, 90+ days [Member]
Non performing loans [Abstract]
Accrued interest included in recorded investment		0	2
Aging analysis of loans by class [Abstract]
Total		8,546	8,201
Accrued interest included in recorded investment		0	2
Loans Past Due Total [Member]
Aging analysis of loans by class [Abstract]
Accrued interest included in recorded investment		95	72
Loans Not Past Due [Member]
Aging analysis of loans by class [Abstract]
Accrued interest included in recorded investment		4,667	4,765
Commercial [Member]
Aging analysis of loans by class [Abstract]
Total loans recorded investment		786,729	750,267
Accrued interest included in recorded investment		1,753	1,869
Commercial [Member] | Income Producing - Real Estate [Member]
Non performing loans [Abstract]
90+ and Still Accruing		0	0
Non-Accrual		658	1,027
Total Non-performing Loans		658	1,027
Aging analysis of loans by class [Abstract]
Total		541	1,059
Loans not Past Due		273,461	305,155
Total loans recorded investment		274,002	306,214
Commercial [Member] | Income Producing - Real Estate [Member] | Loans Past Due, 30-59 days [Member]
Aging analysis of loans by class [Abstract]
Total		0	203
Commercial [Member] | Income Producing - Real Estate [Member] | Loans Past Due, 60-89 days [Member]
Aging analysis of loans by class [Abstract]
Total		0	209
Commercial [Member] | Income Producing - Real Estate [Member] | Loans Past Due, 90+ days [Member]
Aging analysis of loans by class [Abstract]
Total		541	647
Commercial [Member] | Land, Land Development and Construction - Real Estate [Member]
Non performing loans [Abstract]
90+ and Still Accruing		0	49
Non-Accrual		211	401
Total Non-performing Loans		211	450
Aging analysis of loans by class [Abstract]
Total		133	252
Loans not Past Due		53,836	44,231
Total loans recorded investment		53,969	44,483
Commercial [Member] | Land, Land Development and Construction - Real Estate [Member] | Loans Past Due, 30-59 days [Member]
Aging analysis of loans by class [Abstract]
Total		0	0
Commercial [Member] | Land, Land Development and Construction - Real Estate [Member] | Loans Past Due, 60-89 days [Member]
Aging analysis of loans by class [Abstract]
Total		0	0
Commercial [Member] | Land, Land Development and Construction - Real Estate [Member] | Loans Past Due, 90+ days [Member]
Aging analysis of loans by class [Abstract]
Total		133	252
Commercial [Member] | Commercial and Industrial [Member]
Non performing loans [Abstract]
90+ and Still Accruing		0	69
Non-Accrual		2,517	2,028
Total Non-performing Loans		2,517	2,097
Aging analysis of loans by class [Abstract]
Total		678	952
Loans not Past Due		458,080	398,618
Total loans recorded investment		458,758	399,570
Commercial [Member] | Commercial and Industrial [Member] | Loans Past Due, 30-59 days [Member]
Aging analysis of loans by class [Abstract]
Total		105	785
Commercial [Member] | Commercial and Industrial [Member] | Loans Past Due, 60-89 days [Member]
Aging analysis of loans by class [Abstract]
Total		116	16
Commercial [Member] | Commercial and Industrial [Member] | Loans Past Due, 90+ days [Member]
Aging analysis of loans by class [Abstract]
Total		457	151
Mortgage [Member]
Aging analysis of loans by class [Abstract]
Total loans recorded investment		525,125	500,306
Accrued interest included in recorded investment	[1]	2,292	2,270
Mortgage [Member] | 1-4 Family [Member]
Non performing loans [Abstract]
90+ and Still Accruing		0	0
Non-Accrual		4,429	4,744
Total Non-performing Loans		4,429	4,744
Aging analysis of loans by class [Abstract]
Total		8,070	7,327
Loans not Past Due		285,892	269,880
Total loans recorded investment		293,962	277,207
Accrued interest included in recorded investment	[1]	1,386	1,396
Mortgage [Member] | 1-4 Family [Member] | Loans Past Due, 30-59 days [Member]
Aging analysis of loans by class [Abstract]
Total		2,180	1,943
Mortgage [Member] | 1-4 Family [Member] | Loans Past Due, 60-89 days [Member]
Aging analysis of loans by class [Abstract]
Total		1,461	640
Mortgage [Member] | 1-4 Family [Member] | Loans Past Due, 90+ days [Member]
Aging analysis of loans by class [Abstract]
Total		4,429	4,744
Mortgage [Member] | Resort Lending [Member]
Non performing loans [Abstract]
90+ and Still Accruing		0	0
Non-Accrual		1,624	1,094
Total Non-performing Loans		1,624	1,094
Aging analysis of loans by class [Abstract]
Total		3,599	1,401
Loans not Past Due		103,597	114,619
Total loans recorded investment		107,196	116,020
Accrued interest included in recorded investment	[1]	473	477
Mortgage [Member] | Resort Lending [Member] | Loans Past Due, 30-59 days [Member]
Aging analysis of loans by class [Abstract]
Total		1,975	307
Mortgage [Member] | Resort Lending [Member] | Loans Past Due, 60-89 days [Member]
Aging analysis of loans by class [Abstract]
Total		0	0
Mortgage [Member] | Resort Lending [Member] | Loans Past Due, 90+ days [Member]
Aging analysis of loans by class [Abstract]
Total		1,624	1,094
Mortgage [Member] | Home Equity - 1st Lien [Member]
Non performing loans [Abstract]
90+ and Still Accruing		0	0
Non-Accrual		273	187
Total Non-performing Loans		273	187
Aging analysis of loans by class [Abstract]
Total		380	237
Loans not Past Due		27,542	22,327
Total loans recorded investment		27,922	22,564
Accrued interest included in recorded investment	[1]	104	87
Mortgage [Member] | Home Equity - 1st Lien [Member] | Loans Past Due, 30-59 days [Member]
Aging analysis of loans by class [Abstract]
Total		107	50
Mortgage [Member] | Home Equity - 1st Lien [Member] | Loans Past Due, 60-89 days [Member]
Aging analysis of loans by class [Abstract]
Total		0	0
Mortgage [Member] | Home Equity - 1st Lien [Member] | Loans Past Due, 90+ days [Member]
Aging analysis of loans by class [Abstract]
Total		273	187
Mortgage [Member] | Home Equity - 2nd Lien [Member]
Non performing loans [Abstract]
90+ and Still Accruing		0	0
Non-Accrual		353	147
Total Non-performing Loans		353	147
Aging analysis of loans by class [Abstract]
Total		652	640
Loans not Past Due		52,882	50,618
Total loans recorded investment		53,534	51,258
Accrued interest included in recorded investment	[1]	210	196
Mortgage [Member] | Home Equity - 2nd Lien [Member] | Loans Past Due, 30-59 days [Member]
Aging analysis of loans by class [Abstract]
Total		226	439
Mortgage [Member] | Home Equity - 2nd Lien [Member] | Loans Past Due, 60-89 days [Member]
Aging analysis of loans by class [Abstract]
Total		73	54
Mortgage [Member] | Home Equity - 2nd Lien [Member] | Loans Past Due, 90+ days [Member]
Aging analysis of loans by class [Abstract]
Total		353	147
Mortgage [Member] | Purchased Loans [Member]
Non performing loans [Abstract]
90+ and Still Accruing		0	0
Non-Accrual		0	2
Total Non-performing Loans		0	2
Aging analysis of loans by class [Abstract]
Total		8	12
Loans not Past Due		42,503	33,245
Total loans recorded investment		42,511	33,257
Accrued interest included in recorded investment	[1]	119	114
Mortgage [Member] | Purchased Loans [Member] | Loans Past Due, 30-59 days [Member]
Aging analysis of loans by class [Abstract]
Total		7	9
Mortgage [Member] | Purchased Loans [Member] | Loans Past Due, 60-89 days [Member]
Aging analysis of loans by class [Abstract]
Total		1	1
Mortgage [Member] | Purchased Loans [Member] | Loans Past Due, 90+ days [Member]
Aging analysis of loans by class [Abstract]
Total		0	2
Installment [Member]
Aging analysis of loans by class [Abstract]
Total loans recorded investment		269,074	234,715
Accrued interest included in recorded investment	[1]	717	698
Installment [Member] | Home Equity - 1st Lien [Member]
Non performing loans [Abstract]
90+ and Still Accruing		0	0
Non-Accrual		96	106
Total Non-performing Loans		96	106
Aging analysis of loans by class [Abstract]
Total		749	528
Loans not Past Due		13,079	16,707
Total loans recorded investment		13,828	17,235
Accrued interest included in recorded investment	[1]	58	78
Installment [Member] | Home Equity - 1st Lien [Member] | Loans Past Due, 30-59 days [Member]
Aging analysis of loans by class [Abstract]
Total		474	315
Installment [Member] | Home Equity - 1st Lien [Member] | Loans Past Due, 60-89 days [Member]
Aging analysis of loans by class [Abstract]
Total		179	107
Installment [Member] | Home Equity - 1st Lien [Member] | Loans Past Due, 90+ days [Member]
Aging analysis of loans by class [Abstract]
Total		96	106
Installment [Member] | Home Equity - 2nd Lien [Member]
Non performing loans [Abstract]
90+ and Still Accruing		0	0
Non-Accrual		249	443
Total Non-performing Loans		249	443
Aging analysis of loans by class [Abstract]
Total		454	823
Loans not Past Due		15,064	19,727
Total loans recorded investment		15,518	20,550
Accrued interest included in recorded investment	[1]	57	83
Installment [Member] | Home Equity - 2nd Lien [Member] | Loans Past Due, 30-59 days [Member]
Aging analysis of loans by class [Abstract]
Total		133	231
Installment [Member] | Home Equity - 2nd Lien [Member] | Loans Past Due, 60-89 days [Member]
Aging analysis of loans by class [Abstract]
Total		72	149
Installment [Member] | Home Equity - 2nd Lien [Member] | Loans Past Due, 90+ days [Member]
Aging analysis of loans by class [Abstract]
Total		249	443
Installment [Member] | Loans Not Secured by Real Estate [Member]
Non performing loans [Abstract]
90+ and Still Accruing		0	0
Non-Accrual		384	421
Total Non-performing Loans		384	421
Aging analysis of loans by class [Abstract]
Total		789	1,071
Loans not Past Due		236,376	193,680
Total loans recorded investment		237,165	194,751
Accrued interest included in recorded investment	[1]	582	520
Installment [Member] | Loans Not Secured by Real Estate [Member] | Loans Past Due, 30-59 days [Member]
Aging analysis of loans by class [Abstract]
Total		291	567
Installment [Member] | Loans Not Secured by Real Estate [Member] | Loans Past Due, 60-89 days [Member]
Aging analysis of loans by class [Abstract]
Total		114	83
Installment [Member] | Loans Not Secured by Real Estate [Member] | Loans Past Due, 90+ days [Member]
Aging analysis of loans by class [Abstract]
Total		384	421
Installment [Member] | Other [Member]
Non performing loans [Abstract]
90+ and Still Accruing		0	0
Non-Accrual		3	2
Total Non-performing Loans		3	2
Aging analysis of loans by class [Abstract]
Total		17	20
Loans not Past Due		2,546	2,159
Total loans recorded investment		2,563	2,179
Accrued interest included in recorded investment	[1]	20	17
Installment [Member] | Other [Member] | Loans Past Due, 30-59 days [Member]
Aging analysis of loans by class [Abstract]
Total		10	15
Installment [Member] | Other [Member] | Loans Past Due, 60-89 days [Member]
Aging analysis of loans by class [Abstract]
Total		4	3
Installment [Member] | Other [Member] | Loans Past Due, 90+ days [Member]
Aging analysis of loans by class [Abstract]
Total		3	2
Payment Plan Receivables [Member]
Aging analysis of loans by class [Abstract]
Total loans recorded investment		31,188	34,599
Accrued interest included in recorded investment		0	0
Payment Plan Receivables [Member] | Full Refund [Member]
Non performing loans [Abstract]
90+ and Still Accruing		0	0
Non-Accrual		0	2
Total Non-performing Loans		0	2
Aging analysis of loans by class [Abstract]
Total		328	556
Loans not Past Due		10,035	21,294
Total loans recorded investment		10,363	21,850
Payment Plan Receivables [Member] | Full Refund [Member] | Loans Past Due, 30-59 days [Member]
Aging analysis of loans by class [Abstract]
Total		258	492
Payment Plan Receivables [Member] | Full Refund [Member] | Loans Past Due, 60-89 days [Member]
Aging analysis of loans by class [Abstract]
Total		70	62
Payment Plan Receivables [Member] | Full Refund [Member] | Loans Past Due, 90+ days [Member]
Aging analysis of loans by class [Abstract]
Total		0	2
Payment Plan Receivables [Member] | Partial Refund [Member]
Non performing loans [Abstract]
90+ and Still Accruing		0	0
Non-Accrual		4	2
Total Non-performing Loans		4	2
Aging analysis of loans by class [Abstract]
Total		823	645
Loans not Past Due		14,041	5,834
Total loans recorded investment		14,864	6,479
Payment Plan Receivables [Member] | Partial Refund [Member] | Loans Past Due, 30-59 days [Member]
Aging analysis of loans by class [Abstract]
Total		506	415
Payment Plan Receivables [Member] | Partial Refund [Member] | Loans Past Due, 60-89 days [Member]
Aging analysis of loans by class [Abstract]
Total		313	228
Payment Plan Receivables [Member] | Partial Refund [Member] | Loans Past Due, 90+ days [Member]
Aging analysis of loans by class [Abstract]
Total		4	2
Payment Plan Receivables [Member] | Other [Member]
Non performing loans [Abstract]
90+ and Still Accruing		0	0
Non-Accrual		0	1
Total Non-performing Loans		0	1
Aging analysis of loans by class [Abstract]
Total		199	114
Loans not Past Due		5,762	6,156
Total loans recorded investment		5,961	6,270
Payment Plan Receivables [Member] | Other [Member] | Loans Past Due, 30-59 days [Member]
Aging analysis of loans by class [Abstract]
Total		159	110
Payment Plan Receivables [Member] | Other [Member] | Loans Past Due, 60-89 days [Member]
Aging analysis of loans by class [Abstract]
Total		40	3
Payment Plan Receivables [Member] | Other [Member] | Loans Past Due, 90+ days [Member]
Aging analysis of loans by class [Abstract]
Total		$ 0	$ 1

[1] Credit scores have been updated within the last twelve months.