Loans and Allowance for Loan Losses, Troubled Debt Restructurings (Details)	12 Months Ended
Dec. 31, 2020 USD ($) contract	Dec. 31, 2019 USD ($) contract	Dec. 31, 2018 USD ($) contract
Troubled debt restructuring categorized by loan classification [Abstract]
Number of contracts \| contract	1	4	4
Pre Modification Outstanding Recorded Investment	$ 807,000	$ 2,326,000	$ 2,314,000
Post Modification Outstanding Recorded Investment net of related allowance	$ 807,000	$ 1,766,000	$ 2,314,000
Financing Receivable, Modifications, Subsequent Default, Number of Contracts	0	0	0
Financing Receivable, Modifications, Subsequent Default, Recorded Investment	$ 0	$ 0	$ 0
Commercial Real Estate Owner Occupied
Troubled debt restructuring categorized by loan classification [Abstract]
Number of contracts \| contract	0	1	0
Pre Modification Outstanding Recorded Investment	$ 0	$ 306,000	$ 0
Post Modification Outstanding Recorded Investment net of related allowance	$ 0	$ 287,000	$ 0
Commercial real estate non owner occupied
Troubled debt restructuring categorized by loan classification [Abstract]
Number of contracts \| contract	0	0	0
Pre Modification Outstanding Recorded Investment	$ 0	$ 0	$ 0
Post Modification Outstanding Recorded Investment net of related allowance	$ 0	$ 0	$ 0
Consumer Real Estate
Troubled debt restructuring categorized by loan classification [Abstract]
Number of contracts \| contract	1	1	3
Pre Modification Outstanding Recorded Investment	$ 807,000	$ 683,000	$ 1,967,000
Post Modification Outstanding Recorded Investment net of related allowance	$ 807,000	$ 683,000	$ 1,967,000
Construction and Land Development
Troubled debt restructuring categorized by loan classification [Abstract]
Number of contracts \| contract	0	1	1
Pre Modification Outstanding Recorded Investment	$ 0	$ 19,000	$ 347,000
Post Modification Outstanding Recorded Investment net of related allowance	$ 0	$ 19,000	$ 347,000
Commercial and Industrial
Troubled debt restructuring categorized by loan classification [Abstract]
Number of contracts \| contract	0	1	0
Pre Modification Outstanding Recorded Investment	$ 0	$ 1,318,000	$ 0
Post Modification Outstanding Recorded Investment net of related allowance	$ 0	$ 777,000	$ 0
Consumer and Other
Troubled debt restructuring categorized by loan classification [Abstract]
Number of contracts \| contract	0	0	0
Pre Modification Outstanding Recorded Investment	$ 0	$ 0	$ 0
Post Modification Outstanding Recorded Investment net of related allowance	$ 0	$ 0	$ 0

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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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- Definition

Number of financing receivable contracts modified as troubled debt restructuring within previous 12 months, with subsequent payment default.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-Section 50
-Paragraph 34
-URI http://asc.fasb.org/extlink&oid=121611835&loc=SL6953682-111524

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Amount of financing receivable modified as troubled debt restructuring within previous 12 months, with subsequent payment default.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-Section 50
-Paragraph 34
-Subparagraph (a)(2)
-URI http://asc.fasb.org/extlink&oid=121611835&loc=SL6953682-111524

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