Credit Quality Indicators (Details 1) - USD ($) $ in Thousands	Mar. 31, 2016	Dec. 31, 2015
Financing Receivable Recorded Investment [Line Items]
Loans	$ 1,315,501	$ 1,296,865
Residential real estate
Financing Receivable Recorded Investment [Line Items]
Loans	405,597	395,067
Residential real estate | Residential real estate, 1-4 family residential
Financing Receivable Recorded Investment [Line Items]
Loans	322,055	312,915
Residential real estate | Residential real estate, Home equity lines of credit
Financing Receivable Recorded Investment [Line Items]
Loans	83,542	82,152
Consumer
Financing Receivable Recorded Investment [Line Items]
Loans	185,034	185,077
Consumer | Consumer, Indirect
Financing Receivable Recorded Investment [Line Items]
Loans	131,190	131,427
Consumer | Consumer, Direct
Financing Receivable Recorded Investment [Line Items]
Loans	48,860	48,938
Consumer | Consumer, Other
Financing Receivable Recorded Investment [Line Items]
Loans	4,984	4,712
Originated Loans
Financing Receivable Recorded Investment [Line Items]
Loans	871,754	833,691
Originated Loans | Residential real estate | Residential real estate, 1-4 family residential
Financing Receivable Recorded Investment [Line Items]
Loans	191,510	179,214
Originated Loans | Residential real estate | Residential real estate, 1-4 family residential | Performing Financing Receivable
Financing Receivable Recorded Investment [Line Items]
Loans	188,865	176,472
Originated Loans | Residential real estate | Residential real estate, 1-4 family residential | Nonperforming Financing Receivable
Financing Receivable Recorded Investment [Line Items]
Loans	2,645	2,742
Originated Loans | Residential real estate | Residential real estate, Home equity lines of credit
Financing Receivable Recorded Investment [Line Items]
Loans	44,034	41,223
Originated Loans | Residential real estate | Residential real estate, Home equity lines of credit | Performing Financing Receivable
Financing Receivable Recorded Investment [Line Items]
Loans	43,843	40,984
Originated Loans | Residential real estate | Residential real estate, Home equity lines of credit | Nonperforming Financing Receivable
Financing Receivable Recorded Investment [Line Items]
Loans	191	239
Originated Loans | Consumer | Consumer, Indirect
Financing Receivable Recorded Investment [Line Items]
Loans	131,190	131,427
Originated Loans | Consumer | Consumer, Indirect | Performing Financing Receivable
Financing Receivable Recorded Investment [Line Items]
Loans	130,852	130,864
Originated Loans | Consumer | Consumer, Indirect | Nonperforming Financing Receivable
Financing Receivable Recorded Investment [Line Items]
Loans	338	563
Originated Loans | Consumer | Consumer, Direct
Financing Receivable Recorded Investment [Line Items]
Loans	20,135	17,473
Originated Loans | Consumer | Consumer, Direct | Performing Financing Receivable
Financing Receivable Recorded Investment [Line Items]
Loans	20,116	17,440
Originated Loans | Consumer | Consumer, Direct | Nonperforming Financing Receivable
Financing Receivable Recorded Investment [Line Items]
Loans	19	33
Originated Loans | Consumer | Consumer, Other
Financing Receivable Recorded Investment [Line Items]
Loans	4,709	4,508
Originated Loans | Consumer | Consumer, Other | Performing Financing Receivable
Financing Receivable Recorded Investment [Line Items]
Loans	4,699	4,484
Originated Loans | Consumer | Consumer, Other | Nonperforming Financing Receivable
Financing Receivable Recorded Investment [Line Items]
Loans	10	24
Acquired Loans
Financing Receivable Recorded Investment [Line Items]
Loans	443,747	463,174
Acquired Loans | Residential real estate | Residential real estate, 1-4 family residential
Financing Receivable Recorded Investment [Line Items]
Loans	130,545	133,701
Acquired Loans | Residential real estate | Residential real estate, 1-4 family residential | Performing Financing Receivable
Financing Receivable Recorded Investment [Line Items]
Loans	129,346	132,776
Acquired Loans | Residential real estate | Residential real estate, 1-4 family residential | Nonperforming Financing Receivable
Financing Receivable Recorded Investment [Line Items]
Loans	1,199	925
Acquired Loans | Residential real estate | Residential real estate, Home equity lines of credit
Financing Receivable Recorded Investment [Line Items]
Loans	39,508	40,929
Acquired Loans | Residential real estate | Residential real estate, Home equity lines of credit | Performing Financing Receivable
Financing Receivable Recorded Investment [Line Items]
Loans	39,377	40,797
Acquired Loans | Residential real estate | Residential real estate, Home equity lines of credit | Nonperforming Financing Receivable
Financing Receivable Recorded Investment [Line Items]
Loans	131	132
Acquired Loans | Consumer | Consumer, Indirect
Financing Receivable Recorded Investment [Line Items]
Loans	0	0
Acquired Loans | Consumer | Consumer, Indirect | Performing Financing Receivable
Financing Receivable Recorded Investment [Line Items]
Loans	0	0
Acquired Loans | Consumer | Consumer, Indirect | Nonperforming Financing Receivable
Financing Receivable Recorded Investment [Line Items]
Loans	0	0
Acquired Loans | Consumer | Consumer, Direct
Financing Receivable Recorded Investment [Line Items]
Loans	28,725	31,465
Acquired Loans | Consumer | Consumer, Direct | Performing Financing Receivable
Financing Receivable Recorded Investment [Line Items]
Loans	28,589	31,254
Acquired Loans | Consumer | Consumer, Direct | Nonperforming Financing Receivable
Financing Receivable Recorded Investment [Line Items]
Loans	136	211
Acquired Loans | Consumer | Consumer, Other
Financing Receivable Recorded Investment [Line Items]
Loans	275	204
Acquired Loans | Consumer | Consumer, Other | Performing Financing Receivable
Financing Receivable Recorded Investment [Line Items]
Loans	275	204
Acquired Loans | Consumer | Consumer, Other | Nonperforming Financing Receivable
Financing Receivable Recorded Investment [Line Items]
Loans	$ 0	$ 0