Fair Value, Fair Values of Financial Instruments (Details) - USD ($) $ in Thousands	Mar. 31, 2021	Dec. 31, 2020
Financial Assets [Abstract]
Securities available-for-sale	$ 10,023	$ 10,698
Carrying Value [Member]
Financial Assets [Abstract]
Cash and cash equivalents	88,156	96,109
Securities available-for-sale	9,716	10,698
Loans receivable held for investment	362,520	360,129
Accrued interest receivable	1,157	1,202
Bank owned life insurance	3,157	3,147
Financial Liabilities [Abstract]
Time Deposits	312,315	315,630
Federal Home Loan Bank advances	110,500	110,500
Junior subordinated debentures	3,060	3,315
Accrued interest payable	37	88
Fair Value [Member]
Financial Assets [Abstract]
Cash and cash equivalents	88,156	96,109
Securities available-for-sale	10,023	10,698
Loans receivable held for investment	370,702	366,279
Accrued interest receivable	1,157	1,202
Bank owned life insurance	3,157	3,147
Financial Liabilities [Abstract]
Time Deposits	303,598	312,725
Federal Home Loan Bank advances	112,778	113,851
Junior subordinated debentures	2,570	2,798
Accrued interest payable	37	88
Fair Value [Member] \| Level 1 [Member]
Financial Assets [Abstract]
Cash and cash equivalents	88,156	96,109
Securities available-for-sale	0	0
Loans receivable held for investment	0	0
Accrued interest receivable	82	60
Bank owned life insurance	3,157	3,147
Financial Liabilities [Abstract]
Time Deposits	0	0
Federal Home Loan Bank advances	0	0
Junior subordinated debentures	0	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	10,023	10,698
Loans receivable held for investment	0	0
Accrued interest receivable	12	14
Bank owned life insurance	0	0
Financial Liabilities [Abstract]
Time Deposits	303,598	312,725
Federal Home Loan Bank advances	112,778	113,851
Junior subordinated debentures	0	0
Accrued interest payable	34	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	370,702	366,279
Accrued interest receivable	1,063	1,128
Bank owned life insurance	0	0
Financial Liabilities [Abstract]
Time Deposits	0	0
Federal Home Loan Bank advances	0	0
Junior subordinated debentures	2,570	2,798
Accrued interest payable	$ 3	$ 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

Fair value portion of time deposit liabilities held by the entity.

+ 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=121558606&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=121553693&loc=d3e26610-111562

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 320
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (aa)
-URI http://asc.fasb.org/extlink&oid=121645371&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 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=117815213&loc=d3e19207-110258

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-Section 50
-Paragraph 2
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=117815213&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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