Credit Quality Indicators (Details 1) - USD ($) $ in Thousands	Sep. 30, 2019	Dec. 31, 2018
Financing Receivable Recorded Investment [Line Items]
Loans	$ 1,784,125	$ 1,735,840
Originated Loans
Financing Receivable Recorded Investment [Line Items]
Loans	1,573,706	1,485,311
Acquired Loans
Financing Receivable Recorded Investment [Line Items]
Loans	210,419	250,529
Residential real estate
Financing Receivable Recorded Investment [Line Items]
Loans	499,267	492,133
Residential real estate | Residential real estate, 1-4 family residential
Financing Receivable Recorded Investment [Line Items]
Loans	389,675	385,806
Residential real estate | Residential real estate, 1-4 family residential | Originated Loans
Financing Receivable Recorded Investment [Line Items]
Loans	321,277	307,022
Residential real estate | Residential real estate, 1-4 family residential | Originated Loans | Performing Financing Receivable
Financing Receivable Recorded Investment [Line Items]
Loans	319,869	304,519
Residential real estate | Residential real estate, 1-4 family residential | Originated Loans | Nonperforming Financing Receivable
Financing Receivable Recorded Investment [Line Items]
Loans	1,408	2,503
Residential real estate | Residential real estate, 1-4 family residential | Acquired Loans
Financing Receivable Recorded Investment [Line Items]
Loans	68,398	78,784
Residential real estate | Residential real estate, 1-4 family residential | Acquired Loans | Performing Financing Receivable
Financing Receivable Recorded Investment [Line Items]
Loans	67,400	77,661
Residential real estate | Residential real estate, 1-4 family residential | Acquired Loans | Nonperforming Financing Receivable
Financing Receivable Recorded Investment [Line Items]
Loans	998	1,123
Residential real estate | Residential real estate, Home equity lines of credit
Financing Receivable Recorded Investment [Line Items]
Loans	109,592	106,327
Residential real estate | Residential real estate, Home equity lines of credit | Originated Loans
Financing Receivable Recorded Investment [Line Items]
Loans	89,139	82,710
Residential real estate | Residential real estate, Home equity lines of credit | Originated Loans | Performing Financing Receivable
Financing Receivable Recorded Investment [Line Items]
Loans	88,415	82,035
Residential real estate | Residential real estate, Home equity lines of credit | Originated Loans | Nonperforming Financing Receivable
Financing Receivable Recorded Investment [Line Items]
Loans	724	675
Residential real estate | Residential real estate, Home equity lines of credit | Acquired Loans
Financing Receivable Recorded Investment [Line Items]
Loans	20,453	23,617
Residential real estate | Residential real estate, Home equity lines of credit | Acquired Loans | Performing Financing Receivable
Financing Receivable Recorded Investment [Line Items]
Loans	20,201	23,400
Residential real estate | Residential real estate, Home equity lines of credit | Acquired Loans | Nonperforming Financing Receivable
Financing Receivable Recorded Investment [Line Items]
Loans	252	217
Consumer
Financing Receivable Recorded Investment [Line Items]
Loans	212,897	221,795
Consumer | Consumer, Indirect
Financing Receivable Recorded Investment [Line Items]
Loans	168,828	169,806
Consumer | Consumer, Indirect | Originated Loans
Financing Receivable Recorded Investment [Line Items]
Loans	168,828	169,806
Consumer | Consumer, Indirect | Originated Loans | Performing Financing Receivable
Financing Receivable Recorded Investment [Line Items]
Loans	168,141	169,091
Consumer | Consumer, Indirect | Originated Loans | Nonperforming Financing Receivable
Financing Receivable Recorded Investment [Line Items]
Loans	687	715
Consumer | Consumer, Indirect | Acquired Loans
Financing Receivable Recorded Investment [Line Items]
Loans	0	0
Consumer | Consumer, Indirect | Acquired Loans | Performing Financing Receivable
Financing Receivable Recorded Investment [Line Items]
Loans	0	0
Consumer | Consumer, Indirect | Acquired Loans | Nonperforming Financing Receivable
Financing Receivable Recorded Investment [Line Items]
Loans	0	0
Consumer | Consumer, Direct
Financing Receivable Recorded Investment [Line Items]
Loans	34,207	39,933
Consumer | Consumer, Direct | Originated Loans
Financing Receivable Recorded Investment [Line Items]
Loans	27,462	30,491
Consumer | Consumer, Direct | Originated Loans | Performing Financing Receivable
Financing Receivable Recorded Investment [Line Items]
Loans	27,278	30,237
Consumer | Consumer, Direct | Originated Loans | Nonperforming Financing Receivable
Financing Receivable Recorded Investment [Line Items]
Loans	184	254
Consumer | Consumer, Direct | Acquired Loans
Financing Receivable Recorded Investment [Line Items]
Loans	6,745	9,442
Consumer | Consumer, Direct | Acquired Loans | Performing Financing Receivable
Financing Receivable Recorded Investment [Line Items]
Loans	6,562	9,304
Consumer | Consumer, Direct | Acquired Loans | Nonperforming Financing Receivable
Financing Receivable Recorded Investment [Line Items]
Loans	183	138
Consumer | Consumer, Other
Financing Receivable Recorded Investment [Line Items]
Loans	9,862	12,056
Consumer | Consumer, Other | Originated Loans
Financing Receivable Recorded Investment [Line Items]
Loans	9,761	11,894
Consumer | Consumer, Other | Originated Loans | Performing Financing Receivable
Financing Receivable Recorded Investment [Line Items]
Loans	9,758	11,892
Consumer | Consumer, Other | Originated Loans | Nonperforming Financing Receivable
Financing Receivable Recorded Investment [Line Items]
Loans	3	2
Consumer | Consumer, Other | Acquired Loans
Financing Receivable Recorded Investment [Line Items]
Loans	101	162
Consumer | Consumer, Other | Acquired Loans | Performing Financing Receivable
Financing Receivable Recorded Investment [Line Items]
Loans	101	162
Consumer | Consumer, Other | Acquired Loans | Nonperforming Financing Receivable
Financing Receivable Recorded Investment [Line Items]
Loans	$ 0	$ 0