Loans (Details 7) - USD ($) $ in Thousands	Dec. 31, 2016	Dec. 31, 2015
Schedule of investment in past due loans
Total Past Due	$ 20,916	$ 19,574
Loans Not Past Due	1,406,719	1,277,291
Loans	1,427,635	1,296,865
Commercial real estate
Schedule of investment in past due loans
Loans	534,285	486,458
Commercial
Schedule of investment in past due loans
Loans	245,055	230,748
Residential real estate
Schedule of investment in past due loans
Loans	430,195	394,582
Consumer
Schedule of investment in past due loans
Loans	218,100	185,077
Financing Receivables, 30 to 59 Days Past Due
Schedule of investment in past due loans
Total Past Due	10,485	7,869
Financing Receivables, 60 to 89 Days Past Due
Schedule of investment in past due loans
Total Past Due	2,261	1,260
Financing Receivables, Equal to Greater than 90 Days Past Due
Schedule of investment in past due loans
Total Past Due	8,170	10,445
Residential real estate, 1-4 family residential \| Residential real estate
Schedule of investment in past due loans
Loans	335,718	312,563
Residential real estate, Home equity lines of credit \| Residential real estate
Schedule of investment in past due loans
Loans	94,477	82,019
Consumer, Indirect \| Consumer
Schedule of investment in past due loans
Loans	161,713	131,427
Consumer, Direct \| Consumer
Schedule of investment in past due loans
Loans	48,528	48,938
Consumer, Other \| Consumer
Schedule of investment in past due loans
Loans	7,859	4,712
Originated Loans
Schedule of investment in past due loans
Total Past Due	13,715	13,105
Loans Not Past Due	1,040,781	820,586
Loans	1,054,496	833,691
Originated Loans \| Financing Receivables, 30 to 59 Days Past Due
Schedule of investment in past due loans
Total Past Due	7,215	4,285
Originated Loans \| Financing Receivables, 60 to 89 Days Past Due
Schedule of investment in past due loans
Total Past Due	1,359	947
Originated Loans \| Financing Receivables, Equal to Greater than 90 Days Past Due
Schedule of investment in past due loans
Total Past Due	5,141	7,873
Originated Loans \| Commercial real estate, Owner occupied \| Commercial real estate
Schedule of investment in past due loans
Total Past Due	958	3,274
Loans Not Past Due	108,475	94,095
Loans	109,433	97,369
Originated Loans \| Commercial real estate, Owner occupied \| Financing Receivables, 30 to 59 Days Past Due \| Commercial real estate
Schedule of investment in past due loans
Total Past Due	0	34
Originated Loans \| Commercial real estate, Owner occupied \| Financing Receivables, 60 to 89 Days Past Due \| Commercial real estate
Schedule of investment in past due loans
Total Past Due	0	0
Originated Loans \| Commercial real estate, Owner occupied \| Financing Receivables, Equal to Greater than 90 Days Past Due \| Commercial real estate
Schedule of investment in past due loans
Total Past Due	958	3,240
Originated Loans \| Commercial real estate, Non-owner occupied \| Commercial real estate
Schedule of investment in past due loans
Total Past Due	343	345
Loans Not Past Due	165,105	138,824
Loans	165,448	139,169
Originated Loans \| Commercial real estate, Non-owner occupied \| Financing Receivables, 30 to 59 Days Past Due \| Commercial real estate
Schedule of investment in past due loans
Total Past Due	0	0
Originated Loans \| Commercial real estate, Non-owner occupied \| Financing Receivables, 60 to 89 Days Past Due \| Commercial real estate
Schedule of investment in past due loans
Total Past Due	0	0
Originated Loans \| Commercial real estate, Non-owner occupied \| Financing Receivables, Equal to Greater than 90 Days Past Due \| Commercial real estate
Schedule of investment in past due loans
Total Past Due	343	345
Originated Loans \| Commercial real estate, Farmland \| Commercial real estate
Schedule of investment in past due loans
Total Past Due	58	73
Loans Not Past Due	34,057	15,658
Loans	34,115	15,731
Originated Loans \| Commercial real estate, Farmland \| Financing Receivables, 30 to 59 Days Past Due \| Commercial real estate
Schedule of investment in past due loans
Total Past Due	0	0
Originated Loans \| Commercial real estate, Farmland \| Financing Receivables, 60 to 89 Days Past Due \| Commercial real estate
Schedule of investment in past due loans
Total Past Due	0	0
Originated Loans \| Commercial real estate, Farmland \| Financing Receivables, Equal to Greater than 90 Days Past Due \| Commercial real estate
Schedule of investment in past due loans
Total Past Due	58	73
Originated Loans \| Commercial real estate, Other \| Commercial real estate
Schedule of investment in past due loans
Total Past Due	0	112
Loans Not Past Due	70,542	50,559
Loans	70,542	50,671
Originated Loans \| Commercial real estate, Other \| Financing Receivables, 30 to 59 Days Past Due \| Commercial real estate
Schedule of investment in past due loans
Total Past Due	0	112
Originated Loans \| Commercial real estate, Other \| Financing Receivables, 60 to 89 Days Past Due \| Commercial real estate
Schedule of investment in past due loans
Total Past Due	0	0
Originated Loans \| Commercial real estate, Other \| Financing Receivables, Equal to Greater than 90 Days Past Due \| Commercial real estate
Schedule of investment in past due loans
Total Past Due	0	0
Originated Loans \| Commercial, Commercial and industrial \| Commercial
Schedule of investment in past due loans
Total Past Due	490	614
Loans Not Past Due	170,242	147,732
Loans	170,732	148,346
Originated Loans \| Commercial, Commercial and industrial \| Financing Receivables, 30 to 59 Days Past Due \| Commercial
Schedule of investment in past due loans
Total Past Due	90	0
Originated Loans \| Commercial, Commercial and industrial \| Financing Receivables, 60 to 89 Days Past Due \| Commercial
Schedule of investment in past due loans
Total Past Due	0	0
Originated Loans \| Commercial, Commercial and industrial \| Financing Receivables, Equal to Greater than 90 Days Past Due \| Commercial
Schedule of investment in past due loans
Total Past Due	400	614
Originated Loans \| Residential real estate, 1-4 family residential \| Residential real estate
Schedule of investment in past due loans
Total Past Due	5,948	4,838
Loans Not Past Due	217,752	174,155
Loans	223,700	178,993
Originated Loans \| Residential real estate, 1-4 family residential \| Financing Receivables, 30 to 59 Days Past Due \| Residential real estate
Schedule of investment in past due loans
Total Past Due	3,368	1,694
Originated Loans \| Residential real estate, 1-4 family residential \| Financing Receivables, 60 to 89 Days Past Due \| Residential real estate
Schedule of investment in past due loans
Total Past Due	356	402
Originated Loans \| Residential real estate, 1-4 family residential \| Financing Receivables, Equal to Greater than 90 Days Past Due \| Residential real estate
Schedule of investment in past due loans
Total Past Due	2,224	2,742
Originated Loans \| Commercial, Agricultural \| Commercial
Schedule of investment in past due loans
Total Past Due	41	0
Loans Not Past Due	24,632	8,781
Loans	24,673	8,781
Originated Loans \| Commercial, Agricultural \| Financing Receivables, 30 to 59 Days Past Due \| Commercial
Schedule of investment in past due loans
Total Past Due	0	0
Originated Loans \| Commercial, Agricultural \| Financing Receivables, 60 to 89 Days Past Due \| Commercial
Schedule of investment in past due loans
Total Past Due	29	0
Originated Loans \| Commercial, Agricultural \| Financing Receivables, Equal to Greater than 90 Days Past Due \| Commercial
Schedule of investment in past due loans
Total Past Due	12	0
Originated Loans \| Residential real estate, Home equity lines of credit \| Residential real estate
Schedule of investment in past due loans
Total Past Due	434	306
Loans Not Past Due	59,248	40,917
Loans	59,682	41,223
Originated Loans \| Residential real estate, Home equity lines of credit \| Financing Receivables, 30 to 59 Days Past Due \| Residential real estate
Schedule of investment in past due loans
Total Past Due	77	62
Originated Loans \| Residential real estate, Home equity lines of credit \| Financing Receivables, 60 to 89 Days Past Due \| Residential real estate
Schedule of investment in past due loans
Total Past Due	37	5
Originated Loans \| Residential real estate, Home equity lines of credit \| Financing Receivables, Equal to Greater than 90 Days Past Due \| Residential real estate
Schedule of investment in past due loans
Total Past Due	320	239
Originated Loans \| Consumer, Indirect \| Consumer
Schedule of investment in past due loans
Total Past Due	4,276	3,147
Loans Not Past Due	157,437	128,280
Loans	161,713	131,427
Originated Loans \| Consumer, Indirect \| Financing Receivables, 30 to 59 Days Past Due \| Consumer
Schedule of investment in past due loans
Total Past Due	2,844	2,059
Originated Loans \| Consumer, Indirect \| Financing Receivables, 60 to 89 Days Past Due \| Consumer
Schedule of investment in past due loans
Total Past Due	696	525
Originated Loans \| Consumer, Indirect \| Financing Receivables, Equal to Greater than 90 Days Past Due \| Consumer
Schedule of investment in past due loans
Total Past Due	736	563
Originated Loans \| Consumer, Direct \| Consumer
Schedule of investment in past due loans
Total Past Due	1,031	349
Loans Not Past Due	25,815	17,124
Loans	26,846	17,473
Originated Loans \| Consumer, Direct \| Financing Receivables, 30 to 59 Days Past Due \| Consumer
Schedule of investment in past due loans
Total Past Due	744	311
Originated Loans \| Consumer, Direct \| Financing Receivables, 60 to 89 Days Past Due \| Consumer
Schedule of investment in past due loans
Total Past Due	213	5
Originated Loans \| Consumer, Direct \| Financing Receivables, Equal to Greater than 90 Days Past Due \| Consumer
Schedule of investment in past due loans
Total Past Due	74	33
Originated Loans \| Consumer, Other \| Consumer
Schedule of investment in past due loans
Total Past Due	136	47
Loans Not Past Due	7,476	4,461
Loans	7,612	4,508
Originated Loans \| Consumer, Other \| Financing Receivables, 30 to 59 Days Past Due \| Consumer
Schedule of investment in past due loans
Total Past Due	92	13
Originated Loans \| Consumer, Other \| Financing Receivables, 60 to 89 Days Past Due \| Consumer
Schedule of investment in past due loans
Total Past Due	28	10
Originated Loans \| Consumer, Other \| Financing Receivables, Equal to Greater than 90 Days Past Due \| Consumer
Schedule of investment in past due loans
Total Past Due	16	24
Acquired Loans
Schedule of investment in past due loans
Total Past Due	7,201	6,469
Loans Not Past Due	365,938	456,705
Loans	373,139	463,174
Acquired Loans \| Financing Receivables, 30 to 59 Days Past Due
Schedule of investment in past due loans
Total Past Due	3,270	3,584
Acquired Loans \| Financing Receivables, 60 to 89 Days Past Due
Schedule of investment in past due loans
Total Past Due	902	313
Acquired Loans \| Financing Receivables, Equal to Greater than 90 Days Past Due
Schedule of investment in past due loans
Total Past Due	3,029	2,572
Acquired Loans \| Commercial real estate, Owner occupied \| Commercial real estate
Schedule of investment in past due loans
Total Past Due	298	813
Loans Not Past Due	60,630	69,045
Loans	60,928	69,858
Acquired Loans \| Commercial real estate, Owner occupied \| Financing Receivables, 30 to 59 Days Past Due \| Commercial real estate
Schedule of investment in past due loans
Total Past Due	8	669
Acquired Loans \| Commercial real estate, Owner occupied \| Financing Receivables, 60 to 89 Days Past Due \| Commercial real estate
Schedule of investment in past due loans
Total Past Due	205	0
Acquired Loans \| Commercial real estate, Owner occupied \| Financing Receivables, Equal to Greater than 90 Days Past Due \| Commercial real estate
Schedule of investment in past due loans
Total Past Due	85	144
Acquired Loans \| Commercial real estate, Non-owner occupied \| Commercial real estate
Schedule of investment in past due loans
Total Past Due	134	0
Loans Not Past Due	24,815	28,045
Loans	24,949	28,045
Acquired Loans \| Commercial real estate, Non-owner occupied \| Financing Receivables, 30 to 59 Days Past Due \| Commercial real estate
Schedule of investment in past due loans
Total Past Due	134	0
Acquired Loans \| Commercial real estate, Non-owner occupied \| Financing Receivables, 60 to 89 Days Past Due \| Commercial real estate
Schedule of investment in past due loans
Total Past Due	0	0
Acquired Loans \| Commercial real estate, Non-owner occupied \| Financing Receivables, Equal to Greater than 90 Days Past Due \| Commercial real estate
Schedule of investment in past due loans
Total Past Due	0	0
Acquired Loans \| Commercial real estate, Farmland \| Commercial real estate
Schedule of investment in past due loans
Total Past Due	463	0
Loans Not Past Due	53,741	62,193
Loans	54,204	62,193
Acquired Loans \| Commercial real estate, Farmland \| Financing Receivables, 30 to 59 Days Past Due \| Commercial real estate
Schedule of investment in past due loans
Total Past Due	83	0
Acquired Loans \| Commercial real estate, Farmland \| Financing Receivables, 60 to 89 Days Past Due \| Commercial real estate
Schedule of investment in past due loans
Total Past Due	0
Acquired Loans \| Commercial real estate, Farmland \| Financing Receivables, Equal to Greater than 90 Days Past Due \| Commercial real estate
Schedule of investment in past due loans
Total Past Due	380	0
Acquired Loans \| Commercial real estate, Other \| Commercial real estate
Schedule of investment in past due loans
Total Past Due	24	92
Loans Not Past Due	14,642	23,330
Loans	14,666	23,422
Acquired Loans \| Commercial real estate, Other \| Financing Receivables, 30 to 59 Days Past Due \| Commercial real estate
Schedule of investment in past due loans
Total Past Due	0	0
Acquired Loans \| Commercial real estate, Other \| Financing Receivables, 60 to 89 Days Past Due \| Commercial real estate
Schedule of investment in past due loans
Total Past Due	0	0
Acquired Loans \| Commercial real estate, Other \| Financing Receivables, Equal to Greater than 90 Days Past Due \| Commercial real estate
Schedule of investment in past due loans
Total Past Due	24	92
Acquired Loans \| Commercial, Commercial and industrial \| Commercial
Schedule of investment in past due loans
Total Past Due	1,239	1,281
Loans Not Past Due	32,387	49,830
Loans	33,626	51,111
Acquired Loans \| Commercial, Commercial and industrial \| Financing Receivables, 30 to 59 Days Past Due \| Commercial
Schedule of investment in past due loans
Total Past Due	278	211
Acquired Loans \| Commercial, Commercial and industrial \| Financing Receivables, 60 to 89 Days Past Due \| Commercial
Schedule of investment in past due loans
Total Past Due	0	2
Acquired Loans \| Commercial, Commercial and industrial \| Financing Receivables, Equal to Greater than 90 Days Past Due \| Commercial
Schedule of investment in past due loans
Total Past Due	961	1,068
Acquired Loans \| Residential real estate, 1-4 family residential \| Residential real estate
Schedule of investment in past due loans
Total Past Due	2,991	3,163
Loans Not Past Due	109,027	130,407
Loans	112,018	133,570
Acquired Loans \| Residential real estate, 1-4 family residential \| Financing Receivables, 30 to 59 Days Past Due \| Residential real estate
Schedule of investment in past due loans
Total Past Due	1,556	1,994
Acquired Loans \| Residential real estate, 1-4 family residential \| Financing Receivables, 60 to 89 Days Past Due \| Residential real estate
Schedule of investment in past due loans
Total Past Due	504	244
Acquired Loans \| Residential real estate, 1-4 family residential \| Financing Receivables, Equal to Greater than 90 Days Past Due \| Residential real estate
Schedule of investment in past due loans
Total Past Due	931	925
Acquired Loans \| Commercial, Agricultural \| Commercial
Schedule of investment in past due loans
Total Past Due	257	65
Loans Not Past Due	15,767	22,445
Loans	16,024	22,510
Acquired Loans \| Commercial, Agricultural \| Financing Receivables, 30 to 59 Days Past Due \| Commercial
Schedule of investment in past due loans
Total Past Due	21	65
Acquired Loans \| Commercial, Agricultural \| Financing Receivables, 60 to 89 Days Past Due \| Commercial
Schedule of investment in past due loans
Total Past Due	0	0
Acquired Loans \| Commercial, Agricultural \| Financing Receivables, Equal to Greater than 90 Days Past Due \| Commercial
Schedule of investment in past due loans
Total Past Due	236	0
Acquired Loans \| Residential real estate, Home equity lines of credit \| Residential real estate
Schedule of investment in past due loans
Total Past Due	389	221
Loans Not Past Due	34,406	40,575
Loans	34,795	40,796
Acquired Loans \| Residential real estate, Home equity lines of credit \| Financing Receivables, 30 to 59 Days Past Due \| Residential real estate
Schedule of investment in past due loans
Total Past Due	152	78
Acquired Loans \| Residential real estate, Home equity lines of credit \| Financing Receivables, 60 to 89 Days Past Due \| Residential real estate
Schedule of investment in past due loans
Total Past Due	9	11
Acquired Loans \| Residential real estate, Home equity lines of credit \| Financing Receivables, Equal to Greater than 90 Days Past Due \| Residential real estate
Schedule of investment in past due loans
Total Past Due	228	132
Acquired Loans \| Consumer, Indirect \| Consumer
Schedule of investment in past due loans
Loans	0	0
Acquired Loans \| Consumer, Direct \| Consumer
Schedule of investment in past due loans
Total Past Due	1,306	834
Loans Not Past Due	20,376	30,631
Loans	21,682	31,465
Acquired Loans \| Consumer, Direct \| Financing Receivables, 30 to 59 Days Past Due \| Consumer
Schedule of investment in past due loans
Total Past Due	938	567
Acquired Loans \| Consumer, Direct \| Financing Receivables, 60 to 89 Days Past Due \| Consumer
Schedule of investment in past due loans
Total Past Due	184	56
Acquired Loans \| Consumer, Direct \| Financing Receivables, Equal to Greater than 90 Days Past Due \| Consumer
Schedule of investment in past due loans
Total Past Due	184	211
Acquired Loans \| Consumer, Other \| Consumer
Schedule of investment in past due loans
Total Past Due	100	0
Loans Not Past Due	147	204
Loans	247	204
Acquired Loans \| Consumer, Other \| Financing Receivables, 30 to 59 Days Past Due \| Consumer
Schedule of investment in past due loans
Total Past Due	100	0
Acquired Loans \| Consumer, Other \| Financing Receivables, 60 to 89 Days Past Due \| Consumer
Schedule of investment in past due loans
Total Past Due	0	0
Acquired Loans \| Consumer, Other \| Financing Receivables, Equal to Greater than 90 Days Past Due \| Consumer
Schedule of investment in past due loans
Total Past Due	$ 0	$ 0

Loans (Details 7) - USD ($)
$ in Thousands

Dec. 31, 2016

Dec. 31, 2015

Schedule of investment in past due loans

Total Past Due

$ 20,916

$ 19,574

Loans Not Past Due

1,406,719

1,277,291

Loans

1,427,635