Loans (Details 8) - USD ($) $ in Thousands	Jun. 30, 2016	Dec. 31, 2015
Schedule of investment in past due loans
Total Past Due	$ 19,731	$ 19,574
Loans Not Past Due	1,338,753	1,277,291
Loans	1,358,484	1,296,865
Financing Receivables, 30 to 59 Days Past Due
Schedule of investment in past due loans
Total Past Due	9,127	7,869
Financing Receivables, 60 to 89 Days Past Due
Schedule of investment in past due loans
Total Past Due	2,244	1,260
Financing Receivables, Equal to Greater than 90 Days Past Due
Schedule of investment in past due loans
Total Past Due	8,360	10,445
Commercial real estate
Schedule of investment in past due loans
Loans	502,223	485,973
Commercial
Schedule of investment in past due loans
Loans	240,672	230,748
Residential real estate
Schedule of investment in past due loans
Loans	418,712	395,067
Consumer
Schedule of investment in past due loans
Loans	196,877	185,077
Residential real estate, 1-4 family residential | Residential real estate
Schedule of investment in past due loans
Loans	330,001	312,915
Residential real estate, Home equity lines of credit | Residential real estate
Schedule of investment in past due loans
Loans	88,711	82,152
Consumer, Indirect | Consumer
Schedule of investment in past due loans
Loans	143,870	131,427
Consumer, Direct | Consumer
Schedule of investment in past due loans
Loans	47,410	48,938
Consumer, Other | Consumer
Schedule of investment in past due loans
Loans	5,597	4,712
Originated Loans
Schedule of investment in past due loans
Total Past Due	12,461	13,105
Loans Not Past Due	924,863	820,586
Loans	937,324	833,691
Originated Loans | Financing Receivables, 30 to 59 Days Past Due
Schedule of investment in past due loans
Total Past Due	5,983	4,285
Originated Loans | Financing Receivables, 60 to 89 Days Past Due
Schedule of investment in past due loans
Total Past Due	1,436	947
Originated Loans | Financing Receivables, Equal to Greater than 90 Days Past Due
Schedule of investment in past due loans
Total Past Due	5,042	7,873
Originated Loans | Commercial
Schedule of investment in past due loans
Total Past Due	454	614
Loans Not Past Due	179,141	156,513
Loans	179,595	157,127
Originated Loans | Commercial | Financing Receivables, 30 to 59 Days Past Due
Schedule of investment in past due loans
Total Past Due	108	0
Originated Loans | Commercial | Financing Receivables, 60 to 89 Days Past Due
Schedule of investment in past due loans
Total Past Due	0	0
Originated Loans | Commercial | Financing Receivables, Equal to Greater than 90 Days Past Due
Schedule of investment in past due loans
Total Past Due	346	614
Originated Loans | Commercial real estate, Owner occupied | Commercial real estate
Schedule of investment in past due loans
Total Past Due	1,526	3,347
Loans Not Past Due	125,673	109,532
Loans	127,199	112,879
Originated Loans | Commercial real estate, Owner occupied | Commercial real estate | Financing Receivables, 30 to 59 Days Past Due
Schedule of investment in past due loans
Total Past Due	422	34
Originated Loans | Commercial real estate, Owner occupied | Commercial real estate | Financing Receivables, 60 to 89 Days Past Due
Schedule of investment in past due loans
Total Past Due	0	0
Originated Loans | Commercial real estate, Owner occupied | Commercial real estate | Financing Receivables, Equal to Greater than 90 Days Past Due
Schedule of investment in past due loans
Total Past Due	1,104	3,313
Originated Loans | Commercial real estate, Non-owner occupied | Commercial real estate
Schedule of investment in past due loans
Total Past Due	334	345
Loans Not Past Due	146,247	138,824
Loans	146,581	139,169
Originated Loans | Commercial real estate, Non-owner occupied | Commercial real estate | Financing Receivables, 30 to 59 Days Past Due
Schedule of investment in past due loans
Total Past Due	0	0
Originated Loans | Commercial real estate, Non-owner occupied | Commercial real estate | Financing Receivables, 60 to 89 Days Past Due
Schedule of investment in past due loans
Total Past Due	0	0
Originated Loans | Commercial real estate, Non-owner occupied | Commercial real estate | Financing Receivables, Equal to Greater than 90 Days Past Due
Schedule of investment in past due loans
Total Past Due	334	345
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	57,379	50,559
Loans	57,379	50,671
Originated Loans | Commercial real estate, Other | Commercial real estate | Financing Receivables, 30 to 59 Days Past Due
Schedule of investment in past due loans
Total Past Due	0	112
Originated Loans | Commercial real estate, Other | Commercial real estate | Financing Receivables, 60 to 89 Days Past Due
Schedule of investment in past due loans
Total Past Due	0	0
Originated Loans | Commercial real estate, Other | Commercial real estate | Financing Receivables, Equal to Greater than 90 Days Past Due
Schedule of investment in past due loans
Total Past Due	0	0
Originated Loans | Residential real estate, 1-4 family residential | Residential real estate
Schedule of investment in past due loans
Total Past Due	6,457	4,838
Loans Not Past Due	199,155	174,376
Loans	205,612	179,214
Originated Loans | Residential real estate, 1-4 family residential | Residential real estate | Financing Receivables, 30 to 59 Days Past Due
Schedule of investment in past due loans
Total Past Due	2,857	1,694
Originated Loans | Residential real estate, 1-4 family residential | Residential real estate | Financing Receivables, 60 to 89 Days Past Due
Schedule of investment in past due loans
Total Past Due	907	402
Originated Loans | Residential real estate, 1-4 family residential | Residential real estate | Financing Receivables, Equal to Greater than 90 Days Past Due
Schedule of investment in past due loans
Total Past Due	2,693	2,742
Originated Loans | Residential real estate, Home equity lines of credit | Residential real estate
Schedule of investment in past due loans
Total Past Due	447	306
Loans Not Past Due	49,890	40,917
Loans	50,337	41,223
Originated Loans | Residential real estate, Home equity lines of credit | Residential real estate | Financing Receivables, 30 to 59 Days Past Due
Schedule of investment in past due loans
Total Past Due	211	62
Originated Loans | Residential real estate, Home equity lines of credit | Residential real estate | Financing Receivables, 60 to 89 Days Past Due
Schedule of investment in past due loans
Total Past Due	51	5
Originated Loans | Residential real estate, Home equity lines of credit | Residential real estate | Financing Receivables, Equal to Greater than 90 Days Past Due
Schedule of investment in past due loans
Total Past Due	185	239
Originated Loans | Consumer, Indirect | Consumer
Schedule of investment in past due loans
Total Past Due	2,736	3,147
Loans Not Past Due	141,134	128,280
Loans	143,870	131,427
Originated Loans | Consumer, Indirect | Consumer | Financing Receivables, 30 to 59 Days Past Due
Schedule of investment in past due loans
Total Past Due	2,070	2,059
Originated Loans | Consumer, Indirect | Consumer | Financing Receivables, 60 to 89 Days Past Due
Schedule of investment in past due loans
Total Past Due	417	525
Originated Loans | Consumer, Indirect | Consumer | Financing Receivables, Equal to Greater than 90 Days Past Due
Schedule of investment in past due loans
Total Past Due	249	563
Originated Loans | Consumer, Direct | Consumer
Schedule of investment in past due loans
Total Past Due	470	349
Loans Not Past Due	20,922	17,124
Loans	21,392	17,473
Originated Loans | Consumer, Direct | Consumer | Financing Receivables, 30 to 59 Days Past Due
Schedule of investment in past due loans
Total Past Due	289	311
Originated Loans | Consumer, Direct | Consumer | Financing Receivables, 60 to 89 Days Past Due
Schedule of investment in past due loans
Total Past Due	51	5
Originated Loans | Consumer, Direct | Consumer | Financing Receivables, Equal to Greater than 90 Days Past Due
Schedule of investment in past due loans
Total Past Due	130	33
Originated Loans | Consumer, Other | Consumer
Schedule of investment in past due loans
Total Past Due	37	47
Loans Not Past Due	5,322	4,461
Loans	5,359	4,508
Originated Loans | Consumer, Other | Consumer | Financing Receivables, 30 to 59 Days Past Due
Schedule of investment in past due loans
Total Past Due	26	13
Originated Loans | Consumer, Other | Consumer | Financing Receivables, 60 to 89 Days Past Due
Schedule of investment in past due loans
Total Past Due	10	10
Originated Loans | Consumer, Other | Consumer | Financing Receivables, Equal to Greater than 90 Days Past Due
Schedule of investment in past due loans
Total Past Due	1	24
Acquired Loans
Schedule of investment in past due loans
Total Past Due	7,270	6,469
Loans Not Past Due	413,890	456,705
Loans	421,160	463,174
Acquired Loans | Financing Receivables, 30 to 59 Days Past Due
Schedule of investment in past due loans
Total Past Due	3,144	3,584
Acquired Loans | Financing Receivables, 60 to 89 Days Past Due
Schedule of investment in past due loans
Total Past Due	808	313
Acquired Loans | Financing Receivables, Equal to Greater than 90 Days Past Due
Schedule of investment in past due loans
Total Past Due	3,318	2,572
Acquired Loans | Commercial
Schedule of investment in past due loans
Total Past Due	2,072	1,346
Loans Not Past Due	59,005	72,275
Loans	61,077	73,621
Acquired Loans | Commercial | Financing Receivables, 30 to 59 Days Past Due
Schedule of investment in past due loans
Total Past Due	559	276
Acquired Loans | Commercial | Financing Receivables, 60 to 89 Days Past Due
Schedule of investment in past due loans
Total Past Due	100	2
Acquired Loans | Commercial | Financing Receivables, Equal to Greater than 90 Days Past Due
Schedule of investment in past due loans
Total Past Due	1,413	1,068
Acquired Loans | Commercial real estate, Owner occupied | Commercial real estate
Schedule of investment in past due loans
Total Past Due	1,266	813
Loans Not Past Due	126,743	130,860
Loans	128,009	131,673
Acquired Loans | Commercial real estate, Owner occupied | Commercial real estate | Financing Receivables, 30 to 59 Days Past Due
Schedule of investment in past due loans
Total Past Due	518	669
Acquired Loans | Commercial real estate, Owner occupied | Commercial real estate | Financing Receivables, 60 to 89 Days Past Due
Schedule of investment in past due loans
Total Past Due	24	0
Acquired Loans | Commercial real estate, Owner occupied | Commercial real estate | Financing Receivables, Equal to Greater than 90 Days Past Due
Schedule of investment in past due loans
Total Past Due	724	144
Acquired Loans | Commercial real estate, Non-owner occupied | Commercial real estate
Schedule of investment in past due loans
Total Past Due	28	0
Loans Not Past Due	25,485	28,045
Loans	25,513	28,045
Acquired Loans | Commercial real estate, Non-owner occupied | Commercial real estate | Financing Receivables, 30 to 59 Days Past Due
Schedule of investment in past due loans
Total Past Due	0	0
Acquired Loans | Commercial real estate, Non-owner occupied | Commercial real estate | Financing Receivables, 60 to 89 Days Past Due
Schedule of investment in past due loans
Total Past Due	28	0
Acquired Loans | Commercial real estate, Non-owner occupied | Commercial real estate | Financing Receivables, Equal to Greater than 90 Days Past Due
Schedule of investment in past due loans
Total Past Due	0	0
Acquired Loans | Commercial real estate, Other | Commercial real estate
Schedule of investment in past due loans
Total Past Due	58	92
Loans Not Past Due	17,484	23,444
Loans	17,542	23,536
Acquired Loans | Commercial real estate, Other | Commercial real estate | Financing Receivables, 30 to 59 Days Past Due
Schedule of investment in past due loans
Total Past Due	0	0
Acquired Loans | Commercial real estate, Other | Commercial real estate | Financing Receivables, 60 to 89 Days Past Due
Schedule of investment in past due loans
Total Past Due	0	0
Acquired Loans | Commercial real estate, Other | Commercial real estate | Financing Receivables, Equal to Greater than 90 Days Past Due
Schedule of investment in past due loans
Total Past Due	58	92
Acquired Loans | Commercial real estate, Other | Consumer
Schedule of investment in past due loans
Total Past Due	1
Loans Not Past Due	237
Loans	238
Acquired Loans | Commercial real estate, Other | Consumer | Financing Receivables, 30 to 59 Days Past Due
Schedule of investment in past due loans
Total Past Due	0
Acquired Loans | Commercial real estate, Other | Consumer | Financing Receivables, 60 to 89 Days Past Due
Schedule of investment in past due loans
Total Past Due	1
Acquired Loans | Commercial real estate, Other | Consumer | Financing Receivables, Equal to Greater than 90 Days Past Due
Schedule of investment in past due loans
Total Past Due	0
Acquired Loans | Residential real estate, 1-4 family residential | Residential real estate
Schedule of investment in past due loans
Total Past Due	2,823	3,163
Loans Not Past Due	121,566	130,538
Loans	124,389	133,701
Acquired Loans | Residential real estate, 1-4 family residential | Residential real estate | Financing Receivables, 30 to 59 Days Past Due
Schedule of investment in past due loans
Total Past Due	1,316	1,994
Acquired Loans | Residential real estate, 1-4 family residential | Residential real estate | Financing Receivables, 60 to 89 Days Past Due
Schedule of investment in past due loans
Total Past Due	625	244
Acquired Loans | Residential real estate, 1-4 family residential | Residential real estate | Financing Receivables, Equal to Greater than 90 Days Past Due
Schedule of investment in past due loans
Total Past Due	882	925
Acquired Loans | Residential real estate, Home equity lines of credit | Residential real estate
Schedule of investment in past due loans
Total Past Due	168	221
Loans Not Past Due	38,206	40,708
Loans	38,374	40,929
Acquired Loans | Residential real estate, Home equity lines of credit | Residential real estate | Financing Receivables, 30 to 59 Days Past Due
Schedule of investment in past due loans
Total Past Due	4	78
Acquired Loans | Residential real estate, Home equity lines of credit | Residential real estate | Financing Receivables, 60 to 89 Days Past Due
Schedule of investment in past due loans
Total Past Due	10	11
Acquired Loans | Residential real estate, Home equity lines of credit | Residential real estate | Financing Receivables, Equal to Greater than 90 Days Past Due
Schedule of investment in past due loans
Total Past Due	154	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	854	834
Loans Not Past Due	25,164	30,631
Loans	26,018	31,465
Acquired Loans | Consumer, Direct | Consumer | Financing Receivables, 30 to 59 Days Past Due
Schedule of investment in past due loans
Total Past Due	747	567
Acquired Loans | Consumer, Direct | Consumer | Financing Receivables, 60 to 89 Days Past Due
Schedule of investment in past due loans
Total Past Due	20	56
Acquired Loans | Consumer, Direct | Consumer | Financing Receivables, Equal to Greater than 90 Days Past Due
Schedule of investment in past due loans
Total Past Due	87	211
Acquired Loans | Consumer, Other | Consumer
Schedule of investment in past due loans
Total Past Due		0
Loans Not Past Due		204
Loans	$ 238	204
Acquired Loans | Consumer, Other | Consumer | Financing Receivables, 30 to 59 Days Past Due
Schedule of investment in past due loans
Total Past Due		0
Acquired Loans | Consumer, Other | Consumer | Financing Receivables, 60 to 89 Days Past Due
Schedule of investment in past due loans
Total Past Due		0
Acquired Loans | Consumer, Other | Consumer | Financing Receivables, Equal to Greater than 90 Days Past Due
Schedule of investment in past due loans
Total Past Due		$ 0