Loans and Asset Quality - Schedule of Loans Modified as TDRs That Occurred During Period (Details) $ in Thousands	12 Months Ended
Dec. 31, 2021 USD ($) loan	Dec. 31, 2020 USD ($) loan
Financing Receivable, Allowance for Credit Loss [Line Items]
Loan Count \| loan	3	1
Pre Modification	$ 2,194	$ 90
Post Modification	$ 2,211	$ 91
Real estate \| Commercial real estate
Financing Receivable, Allowance for Credit Loss [Line Items]
Loan Count \| loan	1	0
Pre Modification	$ 2,174	$ 0
Post Modification	$ 2,184	$ 0
Real estate \| One-to-four family residential
Financing Receivable, Allowance for Credit Loss [Line Items]
Loan Count \| loan	0	1
Pre Modification	$ 0	$ 90
Post Modification	$ 0	$ 91
Real estate \| Construction and development
Financing Receivable, Allowance for Credit Loss [Line Items]
Loan Count \| loan	0	0
Pre Modification	$ 0	$ 0
Post Modification	$ 0	$ 0
Commercial and industrial
Financing Receivable, Allowance for Credit Loss [Line Items]
Loan Count \| loan	0	0
Pre Modification	$ 0	$ 0
Post Modification	$ 0	$ 0
SBA PPP, net of deferred income
Financing Receivable, Allowance for Credit Loss [Line Items]
Loan Count \| loan	0	0
Pre Modification	$ 0	$ 0
Post Modification	$ 0	$ 0
Tax-exempt
Financing Receivable, Allowance for Credit Loss [Line Items]
Loan Count \| loan	0	0
Pre Modification	$ 0	$ 0
Post Modification	$ 0	$ 0
Consumer
Financing Receivable, Allowance for Credit Loss [Line Items]
Loan Count \| loan	2	0
Pre Modification	$ 20	$ 0
Post Modification	$ 27	$ 0

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- Definition

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

+ 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=123577603&loc=SL6953676-111524

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

+ References

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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=123577603&loc=SL6953682-111524

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