Fair Value, Fair Values of Financial Instruments (Details) - USD ($) $ in Thousands	Sep. 30, 2021	Dec. 31, 2020
Financial Assets [Abstract]
Securities available-for-sale	$ 157,628	$ 10,698
Carrying Value [Member]
Financial Assets [Abstract]
Cash and cash equivalents	208,687	96,109
Securities available-for-sale	157,628	10,698
Loans receivable held for investment	642,198	360,129
Accrued interest receivables	2,565	1,202
Bank owned life insurance	3,179	3,147
Financial Liabilities [Abstract]
Deposits	749,645	315,630
Securities sold under agreements to repurchase	52,876
Federal Home Loan Bank advances	91,070	110,500
Junior subordinated debentures		3,315
Note payable	14,000
Accrued interest payable	99	88
Fair Value [Member]
Financial Assets [Abstract]
Cash and cash equivalents	208,687	96,109
Securities available-for-sale	157,628	10,698
Loans receivable held for investment	647,988	366,279
Accrued interest receivables	2,565	1,202
Bank owned life insurance	3,179	3,147
Financial Liabilities [Abstract]
Deposits	749,645	312,725
Securities sold under agreements to repurchase	52,332
Federal Home Loan Bank advances	92,836	113,851
Junior subordinated debentures		2,798
Note payable	14,000
Accrued interest payable	99	88
Fair Value [Member] \| Level 1 [Member]
Financial Assets [Abstract]
Cash and cash equivalents	208,687	96,109
Securities available-for-sale	0	0
Loans receivable held for investment	0	0
Accrued interest receivables	206	60
Bank owned life insurance	3,179	3,147
Financial Liabilities [Abstract]
Deposits	0	0
Securities sold under agreements to repurchase	0
Federal Home Loan Bank advances	0	0
Junior subordinated debentures		0
Note payable	0
Accrued interest payable	0	0
Fair Value [Member] \| Level 2 [Member]
Financial Assets [Abstract]
Cash and cash equivalents	0	0
Securities available-for-sale	157,628	10,698
Loans receivable held for investment	0	0
Accrued interest receivables	275	14
Bank owned life insurance	0	0
Financial Liabilities [Abstract]
Deposits	749,645	312,725
Securities sold under agreements to repurchase	52,332
Federal Home Loan Bank advances	92,836	113,851
Junior subordinated debentures		0
Note payable	0
Accrued interest payable	99	84
Fair Value [Member] \| Level 3 [Member]
Financial Assets [Abstract]
Cash and cash equivalents	0	0
Securities available-for-sale	0	0
Loans receivable held for investment	647,988	366,279
Accrued interest receivables	2,084	1,128
Bank owned life insurance	0	0
Financial Liabilities [Abstract]
Deposits	0	0
Securities sold under agreements to repurchase	0
Federal Home Loan Bank advances	0	0
Junior subordinated debentures		2,798
Note payable	14,000
Accrued interest payable	$ 0	$ 4

Fair value portion of accrued interest payable.

No definition available.

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- Definition

Fair value portion of interest earned but not received.

+ References

No definition available.

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- Definition

Fair value portion of life insurance policy on an officer, executive or employee for which the reporting entity (a bank) is entitled to proceeds from the policy upon death of the insured or surrender of the insurance policy.

+ References

No definition available.

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- Definition

Amount of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 942
-SubTopic 210
-Section S99
-Paragraph 1
-Subparagraph (SX 210.9-03(6))
-URI http://asc.fasb.org/extlink&oid=120398452&loc=d3e534808-122878

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 326
-SubTopic 30
-Section 45
-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=124258926&loc=SL82898722-210454

Reference 3: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 320
-SubTopic 10
-Section 45
-Paragraph 1
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=124260329&loc=d3e26610-111562

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-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (aa)
-URI http://asc.fasb.org/extlink&oid=123581744&loc=d3e27161-111563

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- Definition

Fair value portion of currency on hand as well as demand deposits with banks or financial institutions. Includes other kinds of accounts that have the general characteristics of demand deposits. Also includes short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates.

+ References

No definition available.

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- Definition

Fair value portion of deposit liabilities held by the entity, including, but not limited to, foreign and domestic, interest and noninterest bearing, demand deposits, saving deposits, negotiable orders of withdrawal (NOW) and time deposits.

+ References

No definition available.

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- Definition

Fair value of subordinated debt obligations including, but not limited to, subordinated loan, subordinated bond, subordinated debenture or junior debt.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 820
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=123874694&loc=d3e19207-110258

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-Name Accounting Standards Codification
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-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=123874694&loc=d3e19207-110258

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- Definition

Fair value portion of borrowing from Federal Home Loan Bank (FHLBank).

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 942
-SubTopic 210
-Section S99
-Paragraph 1
-Subparagraph (SX 210.9-03.13(3)(a))
-URI http://asc.fasb.org/extlink&oid=120398452&loc=d3e534808-122878

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- References

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- References

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- Definition

Fair value portion of loan receivable, including, but not limited to, mortgage loans held for investment, finance receivables held for investment, policy loans on insurance contracts.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-URI http://asc.fasb.org/subtopic&trid=2196772

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- Definition

Fair value portion of notes payable.

+ References

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02.19,20,22)
-URI http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682

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- Definition

Fair value of securities pledged as collateral against securities sold under agreement to repurchase.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 20
-Section 55
-Paragraph 12
-URI http://asc.fasb.org/extlink&oid=99393222&loc=SL20226013-175313

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