Loans (Details 8) - USD ($) $ in Thousands	Mar. 31, 2016	Dec. 31, 2015
Schedule of investment in past due loans
Total Past Due	$ 19,782	$ 19,574
Loans Not Past Due	1,295,719	1,277,291
Loans	1,315,501	1,296,865
Financing Receivables, 30 to 59 Days Past Due
Schedule of investment in past due loans
Total Past Due	6,270	7,869
Financing Receivables, 60 to 89 Days Past Due
Schedule of investment in past due loans
Total Past Due	3,802	1,260
Financing Receivables, Equal to Greater than 90 Days Past Due
Schedule of investment in past due loans
Total Past Due	9,710	10,445
Commercial real estate
Schedule of investment in past due loans
Loans	490,789	485,973
Commercial
Schedule of investment in past due loans
Loans	234,081	230,748
Residential real estate
Schedule of investment in past due loans
Loans	405,597	395,067
Consumer
Schedule of investment in past due loans
Loans	185,034	185,077
Residential real estate, 1-4 family residential | Residential real estate
Schedule of investment in past due loans
Loans	322,055	312,915
Residential real estate, Home equity lines of credit | Residential real estate
Schedule of investment in past due loans
Loans	83,542	82,152
Consumer, Indirect | Consumer
Schedule of investment in past due loans
Loans	131,190	131,427
Consumer, Direct | Consumer
Schedule of investment in past due loans
Loans	48,860	48,938
Consumer, Other | Consumer
Schedule of investment in past due loans
Loans	4,984	4,712
Originated Loans
Schedule of investment in past due loans
Total Past Due	12,604	13,105
Loans Not Past Due	859,150	820,586
Loans	871,754	833,691
Originated Loans | Financing Receivables, 30 to 59 Days Past Due
Schedule of investment in past due loans
Total Past Due	3,825	4,285
Originated Loans | Financing Receivables, 60 to 89 Days Past Due
Schedule of investment in past due loans
Total Past Due	1,724	947
Originated Loans | Financing Receivables, Equal to Greater than 90 Days Past Due
Schedule of investment in past due loans
Total Past Due	7,055	7,873
Originated Loans | Commercial
Schedule of investment in past due loans
Total Past Due	706	614
Loans Not Past Due	167,692	156,513
Loans	168,398	157,127
Originated Loans | Commercial | Financing Receivables, 30 to 59 Days Past Due
Schedule of investment in past due loans
Total Past Due	87	0
Originated Loans | Commercial | Financing Receivables, 60 to 89 Days Past Due
Schedule of investment in past due loans
Total Past Due	48	0
Originated Loans | Commercial | Financing Receivables, Equal to Greater than 90 Days Past Due
Schedule of investment in past due loans
Total Past Due	571	614
Originated Loans | Commercial real estate, Owner occupied | Commercial real estate
Schedule of investment in past due loans
Total Past Due	3,125	3,347
Loans Not Past Due	109,067	109,532
Loans	112,192	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	182	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	2,943	3,313
Originated Loans | Commercial real estate, Non-owner occupied | Commercial real estate
Schedule of investment in past due loans
Total Past Due	338	345
Loans Not Past Due	149,417	138,824
Loans	149,755	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	338	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	49,831	50,559
Loans	49,831	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	5,523	4,838
Loans Not Past Due	185,987	174,376
Loans	191,510	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	1,571	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	1,307	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	2,645	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	513	306
Loans Not Past Due	43,521	40,917
Loans	44,034	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	318	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	4	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	191	239
Originated Loans | Consumer, Indirect | Consumer
Schedule of investment in past due loans
Total Past Due	2,073	3,147
Loans Not Past Due	129,117	128,280
Loans	131,190	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	1,423	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	312	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	338	563
Originated Loans | Consumer, Direct | Consumer
Schedule of investment in past due loans
Total Past Due	287	349
Loans Not Past Due	19,848	17,124
Loans	20,135	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	227	311
Originated Loans | Consumer, Direct | Consumer | Financing Receivables, 60 to 89 Days Past Due
Schedule of investment in past due loans
Total Past Due	41	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	19	33
Originated Loans | Consumer, Other | Consumer
Schedule of investment in past due loans
Total Past Due	39	47
Loans Not Past Due	4,670	4,461
Loans	4,709	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	17	13
Originated Loans | Consumer, Other | Consumer | Financing Receivables, 60 to 89 Days Past Due
Schedule of investment in past due loans
Total Past Due	12	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	10	24
Acquired Loans
Schedule of investment in past due loans
Total Past Due	7,178	6,469
Loans Not Past Due	436,569	456,705
Loans	443,747	463,174
Acquired Loans | Financing Receivables, 30 to 59 Days Past Due
Schedule of investment in past due loans
Total Past Due	2,445	3,584
Acquired Loans | Financing Receivables, 60 to 89 Days Past Due
Schedule of investment in past due loans
Total Past Due	2,078	313
Acquired Loans | Financing Receivables, Equal to Greater than 90 Days Past Due
Schedule of investment in past due loans
Total Past Due	2,655	2,572
Acquired Loans | Commercial
Schedule of investment in past due loans
Total Past Due	2,318	1,346
Loans Not Past Due	63,365	72,275
Loans	65,683	73,621
Acquired Loans | Commercial | Financing Receivables, 30 to 59 Days Past Due
Schedule of investment in past due loans
Total Past Due	567	276
Acquired Loans | Commercial | Financing Receivables, 60 to 89 Days Past Due
Schedule of investment in past due loans
Total Past Due	775	2
Acquired Loans | Commercial | Financing Receivables, Equal to Greater than 90 Days Past Due
Schedule of investment in past due loans
Total Past Due	976	1,068
Acquired Loans | Commercial real estate, Owner occupied | Commercial real estate
Schedule of investment in past due loans
Total Past Due	1,161	813
Loans Not Past Due	131,351	130,860
Loans	132,512	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	500	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	523	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	138	144
Acquired Loans | Commercial real estate, Non-owner occupied | Commercial real estate
Schedule of investment in past due loans
Total Past Due	71	0
Loans Not Past Due	27,031	28,045
Loans	27,102	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	71	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	0	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	75	92
Loans Not Past Due	19,322	23,444
Loans	19,397	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	75	92
Acquired Loans | Commercial real estate, Other | Consumer
Schedule of investment in past due loans
Total Past Due	2
Loans Not Past Due	273
Loans	275
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	2
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	0
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	2,616	3,163
Loans Not Past Due	127,929	130,538
Loans	130,545	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	749	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	668	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	1,199	925
Acquired Loans | Residential real estate, Home equity lines of credit | Residential real estate
Schedule of investment in past due loans
Total Past Due	279	221
Loans Not Past Due	39,229	40,708
Loans	39,508	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	86	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	62	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	131	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	656	834
Loans Not Past Due	28,069	30,631
Loans	28,725	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	470	567
Acquired Loans | Consumer, Direct | Consumer | Financing Receivables, 60 to 89 Days Past Due
Schedule of investment in past due loans
Total Past Due	50	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	136	211
Acquired Loans | Consumer, Other | Consumer
Schedule of investment in past due loans
Total Past Due		0
Loans Not Past Due		204
Loans	$ 275	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