FAIR VALUE - Summary of carrying amounts and estimated fair values of financial instruments not Measured at Fair Value (Detail) - USD ($)	Mar. 31, 2023	Dec. 31, 2022
Financial instruments - assets
Investment securities held-to-maturity	$ 71,201,953	$ 70,699,651
Loans and loans held for sale	646,937,000	658,250,000
Financial instruments - liabilities
Certificates of deposit	498,240,000	491,638,000
Borrowings	100,024,000	98,885,000
Fair Value Measurement Placement (Level 2)
Financial instruments - assets
Investment securities held-to-maturity	71,202,000	70,700,000
Financial instruments - liabilities
Certificates of deposit	498,240,000	491,638,000
Borrowings	100,024,000	98,885,000
Fair Value Measurement Placement (Level 3)
Financial instruments - assets
Loans and loans held for sale	646,937,000	658,250,000
Carrying Value
Financial instruments - assets
Investment securities held-to-maturity	78,207,000	77,427,000
Loans and loans held for sale	711,890,000	719,026,000
Financial instruments - liabilities
Certificates of deposit	498,165,000	492,593,000
Borrowings	$ 112,032,000	$ 102,319,000

Financial assets fair value disclosure.

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

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Topic 942
-SubTopic 210
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SX 210.9-03.13(3)(a))
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147479853/942-210-S99-1

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- References

No definition available.

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- Definition

Fair value of investment in debt security measured at amortized cost (held-to-maturity).

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 944
-SubTopic 210
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SX 210.7-03(a)(1))
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147479440/944-210-S99-1

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Topic 320
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 5A
-Subparagraph (a)
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147481800/320-10-50-5A

Reference 3: http://www.xbrl.org/2003/role/disclosureRef
-Topic 942
-SubTopic 210
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SX 210.9-03(6))
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147479853/942-210-S99-1

Reference 4: http://fasb.org/us-gaap/role/ref/otherTransitionRef
-Topic 320
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 5
-Subparagraph (aa)
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147481800/320-10-50-5

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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.

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