Fair Value, Fair Values of Financial Instruments (Details) - USD ($) $ in Thousands	Dec. 31, 2020	Dec. 31, 2019
Financial Assets [Abstract]
Securities available-for-sale	$ 10,698	$ 11,006
Carrying Value [Member]
Financial Assets [Abstract]
Cash and cash equivalents	96,109	15,566
Securities available-for-sale	10,698	11,006
Loans receivable held for sale		0
Loans receivable held for investment	360,129	397,847
Accrued interest receivable	1,202	1,223
Bank owned life insurance	5,633	5,220
Financial Liabilities [Abstract]
Deposits	315,630	297,724
Federal Home Loan Bank advances	110,500	84,000
Junior subordinated debentures	3,315	4,335
Accrued interest payable	88	384
Fair Value [Member]
Financial Assets [Abstract]
Cash and cash equivalents	96,109	15,566
Securities available-for-sale	10,698	11,006
Loans receivable held for sale		0
Loans receivable held for investment	366,279	404,923
Accrued interest receivable	1,202	1,223
Bank owned life insurance	5,633	5,220
Financial Liabilities [Abstract]
Deposits	312,725	289,629
Federal Home Loan Bank advances	113,851	84,997
Junior subordinated debentures	2,798	3,734
Accrued interest payable	88	384
Fair Value [Member] \| Level 1 [Member]
Financial Assets [Abstract]
Cash and cash equivalents	96,109	15,566
Securities available-for-sale	0	0
Loans receivable held for sale		0
Loans receivable held for investment	0	0
Accrued interest receivable	60	69
Bank owned life insurance	5,633	5,220
Financial Liabilities [Abstract]
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	10,698	11,006
Loans receivable held for sale		0
Loans receivable held for investment	0	0
Accrued interest receivable	14	22
Bank owned life insurance	0	0
Financial Liabilities [Abstract]
Deposits	312,725	289,629
Federal Home Loan Bank advances	113,851	84,997
Junior subordinated debentures	0	0
Accrued interest payable	84	377
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 sale		0
Loans receivable held for investment	366,279	404,923
Accrued interest receivable	1,128	1,132
Bank owned life insurance	0	0
Financial Liabilities [Abstract]
Deposits	0	0
Federal Home Loan Bank advances	0	0
Junior subordinated debentures	2,798	3,734
Accrued interest payable	$ 4	$ 7

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=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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-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 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.

+ Details

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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

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 820
-SubTopic 10
-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

No definition available.

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- References

No definition available.

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- Definition

Fair value portion of loans held-for-sale including, but not limited to, mortgage loans and finance receivables.

+ References

No definition available.

+ Details

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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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