Loans - Troubled Debt Restructuring (Details) $ in Thousands	12 Months Ended
Dec. 31, 2020 USD ($) contract	Dec. 31, 2019 USD ($) contract	Dec. 31, 2018 USD ($) contract
Financing Receivable, Troubled Debt Restructuring [Line Items]
Number of Contracts \| contract	10	9	4
Pre- Modification Outstanding Recorded Investment	$ 699	$ 4,704	$ 159
Value of loans modified in troubled debt restructurings	$ 699	$ 4,704	$ 159
Construction and land development
Financing Receivable, Troubled Debt Restructuring [Line Items]
Number of Contracts \| contract	0	0	0
Pre- Modification Outstanding Recorded Investment	$ 0	$ 0	$ 0
Value of loans modified in troubled debt restructurings	$ 0	$ 0	$ 0
Commercial real estate - owner occupied
Financing Receivable, Troubled Debt Restructuring [Line Items]
Number of Contracts \| contract	0	2	0
Pre- Modification Outstanding Recorded Investment	$ 0	$ 2,166	$ 0
Value of loans modified in troubled debt restructurings	$ 0	$ 2,166	$ 0
Commercial real estate - non-owner occupied
Financing Receivable, Troubled Debt Restructuring [Line Items]
Number of Contracts \| contract	0
Pre- Modification Outstanding Recorded Investment	$ 0
Value of loans modified in troubled debt restructurings	$ 0
Residential real estate
Financing Receivable, Troubled Debt Restructuring [Line Items]
Number of Contracts \| contract	2	3	0
Pre- Modification Outstanding Recorded Investment	$ 150	$ 1,193	$ 0
Value of loans modified in troubled debt restructurings	$ 150	$ 1,193	$ 0
Commercial and financial
Financing Receivable, Troubled Debt Restructuring [Line Items]
Number of Contracts \| contract	4	3	1
Pre- Modification Outstanding Recorded Investment	$ 437	$ 1,326	$ 98
Value of loans modified in troubled debt restructurings	$ 437	$ 1,326	$ 98
Consumer
Financing Receivable, Troubled Debt Restructuring [Line Items]
Number of Contracts \| contract	4	1	3
Pre- Modification Outstanding Recorded Investment	$ 112	$ 19	$ 61
Value of loans modified in troubled debt restructurings	$ 112	$ 19	$ 61

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Number of financing receivables that have been modified by troubled debt restructurings.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-Section 50
-Paragraph 33
-URI http://asc.fasb.org/extlink&oid=121611835&loc=SL6953676-111524

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Amount, after troubled debt restructuring, of modified financing receivable.

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Amount, before troubled debt restructuring, of financing receivable to be modified.

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