Loans (Details 9) $ in Thousands	12 Months Ended
Dec. 31, 2018 USD ($) Loan	Dec. 31, 2017 USD ($) Loan	Dec. 31, 2016 USD ($) Loan
Financing Receivable Modifications [Line Items]
Number of Loans \| Loan	59	61	51
Pre-Modification Outstanding Recorded Investment	$ 1,747	$ 1,515	$ 881
Post-Modification Outstanding Recorded Investment	$ 1,763	$ 1,522	$ 882
Originated Loans
Financing Receivable Modifications [Line Items]
Number of Loans \| Loan	40	54	44
Pre-Modification Outstanding Recorded Investment	$ 955	$ 1,305	$ 670
Post-Modification Outstanding Recorded Investment	$ 955	$ 1,312	$ 671
Originated Loans \| Commercial real estate, Owner occupied
Financing Receivable Modifications [Line Items]
Number of Loans \| Loan	1
Pre-Modification Outstanding Recorded Investment	$ 360
Post-Modification Outstanding Recorded Investment	$ 360
Originated Loans \| Residential real estate, 1-4 family residential
Financing Receivable Modifications [Line Items]
Number of Loans \| Loan	7	15	15
Pre-Modification Outstanding Recorded Investment	$ 348	$ 910	$ 436
Post-Modification Outstanding Recorded Investment	$ 348	$ 917	$ 437
Originated Loans \| Residential real estate, Home equity lines of credit
Financing Receivable Modifications [Line Items]
Number of Loans \| Loan	6	10	1
Pre-Modification Outstanding Recorded Investment	$ 91	$ 234	$ 40
Post-Modification Outstanding Recorded Investment	$ 91	$ 234	$ 40
Originated Loans \| Consumer, Indirect
Financing Receivable Modifications [Line Items]
Number of Loans \| Loan	23	29	26
Pre-Modification Outstanding Recorded Investment	$ 118	$ 161	$ 182
Post-Modification Outstanding Recorded Investment	$ 118	$ 161	$ 182
Originated Loans \| Commercial \| Commercial and industrial
Financing Receivable Modifications [Line Items]
Number of Loans \| Loan	1
Pre-Modification Outstanding Recorded Investment	$ 19
Post-Modification Outstanding Recorded Investment	$ 19
Originated Loans \| Consumer
Financing Receivable Modifications [Line Items]
Number of Loans \| Loan	2		2
Pre-Modification Outstanding Recorded Investment	$ 19		$ 12
Post-Modification Outstanding Recorded Investment	$ 19		$ 12
Acquired Loans
Financing Receivable Modifications [Line Items]
Number of Loans \| Loan	19	7	7
Pre-Modification Outstanding Recorded Investment	$ 792	$ 210	$ 211
Post-Modification Outstanding Recorded Investment	$ 808	$ 210	$ 211
Acquired Loans \| Residential real estate, 1-4 family residential
Financing Receivable Modifications [Line Items]
Number of Loans \| Loan	7	3	4
Pre-Modification Outstanding Recorded Investment	$ 321	$ 85	$ 153
Post-Modification Outstanding Recorded Investment	$ 337	$ 85	$ 153
Acquired Loans \| Residential real estate, Home equity lines of credit
Financing Receivable Modifications [Line Items]
Number of Loans \| Loan	1	1	1
Pre-Modification Outstanding Recorded Investment	$ 32	$ 57	$ 18
Post-Modification Outstanding Recorded Investment	$ 32	$ 57	$ 18
Acquired Loans \| Commercial real estate, Non-owner occupied
Financing Receivable Modifications [Line Items]
Number of Loans \| Loan	1
Pre-Modification Outstanding Recorded Investment	$ 42
Post-Modification Outstanding Recorded Investment	$ 42
Acquired Loans \| Commercial real estate, Farmland
Financing Receivable Modifications [Line Items]
Number of Loans \| Loan	1
Pre-Modification Outstanding Recorded Investment	$ 258
Post-Modification Outstanding Recorded Investment	$ 258
Acquired Loans \| Commercial \| Commercial and industrial
Financing Receivable Modifications [Line Items]
Number of Loans \| Loan	7	1
Pre-Modification Outstanding Recorded Investment	$ 115	$ 13
Post-Modification Outstanding Recorded Investment	$ 115	$ 13
Acquired Loans \| Consumer
Financing Receivable Modifications [Line Items]
Number of Loans \| Loan	2	2	2
Pre-Modification Outstanding Recorded Investment	$ 24	$ 55	$ 40
Post-Modification Outstanding Recorded Investment	$ 24	$ 55	$ 40

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Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-Section 50
-Paragraph 33
-URI http://asc.fasb.org/extlink&oid=84173941&loc=SL6953676-111524

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