LOANS RECEIVABLE AND ALLOWANCE FOR CREDIT LOSSES - Impaired Financing Receivables (Details) - USD ($)	9 Months Ended	12 Months Ended
Sep. 30, 2022	Dec. 31, 2021
Financing Receivable, Impaired [Line Items]
Recorded Investment with specific reserves	$ 407,000	$ 26,000
Unpaid Principal Balance with specific reserves	534,000	36,000
Interest Income Recognized with specific reserves	20,000	2,000
Specific Reserve with specific reserves	127,000	10,000
Average Recorded Investment	547,000	49,000
Recorded Investment with no specific reserve	148,000	301,000
Unpaid Principal Balance with no specific reserve	148,000	301,000
Interest Income Recognized with no specific reserve	5,000	12,000
Average Recorded Investment with no specific reserve	175,000	350,000
Real Estate Loan
Financing Receivable, Impaired [Line Items]
Recorded Investment with specific reserves	17,000	26,000
Unpaid Principal Balance with specific reserves	35,000	36,000
Interest Income Recognized with specific reserves	1,000	2,000
Specific Reserve with specific reserves	18,000	10,000
Average Recorded Investment	48,000	49,000
Recorded Investment with no specific reserve	73,000	87,000
Unpaid Principal Balance with no specific reserve	73,000	87,000
Interest Income Recognized with no specific reserve	1,000	3,000
Average Recorded Investment with no specific reserve	80,000	98,000
Commercial and Industrial
Financing Receivable, Impaired [Line Items]
Recorded Investment with specific reserves	390,000
Unpaid Principal Balance with specific reserves	499,000
Interest Income Recognized with specific reserves	19,000
Specific Reserve with specific reserves	109,000
Average Recorded Investment	499,000
Recorded Investment with no specific reserve		71,000
Unpaid Principal Balance with no specific reserve		71,000
Interest Income Recognized with no specific reserve		1,000
Average Recorded Investment with no specific reserve		71,000
Consumer Loans
Financing Receivable, Impaired [Line Items]
Recorded Investment with no specific reserve	75,000	143,000
Unpaid Principal Balance with no specific reserve	75,000	143,000
Interest Income Recognized with no specific reserve	4,000	8,000
Average Recorded Investment with no specific reserve	95,000	181,000
Single-family Residential \| Real Estate Loan
Financing Receivable, Impaired [Line Items]
Recorded Investment with specific reserves	17,000	26,000
Unpaid Principal Balance with specific reserves	35,000	36,000
Interest Income Recognized with specific reserves	1,000	2,000
Specific Reserve with specific reserves	18,000	10,000
Average Recorded Investment	48,000	49,000
Recorded Investment with no specific reserve	73,000	87,000
Unpaid Principal Balance with no specific reserve	73,000	87,000
Interest Income Recognized with no specific reserve	1,000	3,000
Specific Reserve	17,655
Average Recorded Investment with no specific reserve	80,000	98,000
Commercial \| Real Estate Loan
Financing Receivable, Impaired [Line Items]
Specific Reserve with specific reserves	109,000
Commercial and Industrial \| Commercial and Industrial
Financing Receivable, Impaired [Line Items]
Recorded Investment with specific reserves	390,000
Unpaid Principal Balance with specific reserves	499,000
Interest Income Recognized with specific reserves	19,000
Specific Reserve with specific reserves	109,000
Average Recorded Investment	499,000
SBA Guaranty \| Commercial and Industrial
Financing Receivable, Impaired [Line Items]
Recorded Investment with no specific reserve		71,000
Unpaid Principal Balance with no specific reserve		71,000
Interest Income Recognized with no specific reserve		1,000
Average Recorded Investment with no specific reserve		71,000
Automobile \| Consumer Loans
Financing Receivable, Impaired [Line Items]
Recorded Investment with no specific reserve	75,000	143,000
Unpaid Principal Balance with no specific reserve	75,000	143,000
Interest Income Recognized with no specific reserve	4,000	8,000
Average Recorded Investment with no specific reserve	$ 95,000	$ 181,000

Amount of valuation allowance for financing receivables that are expected to be uncollectible that were individually evaluated for impairment.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-Section 50
-Paragraph 11B
-Subparagraph (g)
-URI https://asc.fasb.org/extlink&oid=123577603&loc=SL6953423-111524

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Amount of allowance for credit losses related to recorded investment.

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Amount of average investment of impaired financing receivables for which there is no related allowance for credit losses.

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Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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-Topic 310
-SubTopic 10
-Section 50
-Paragraph 17
-URI https://asc.fasb.org/extlink&oid=123577603&loc=d3e5258-111524

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
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Amount of interest income, recognized on cash basis, on financing receivables, for which there is no related allowance for credit losses and are recognized as impaired.

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Amount of investment in impaired financing receivables for which there is no related allowance for credit losses.

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Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-Section 50
-Paragraph 14A
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-URI https://asc.fasb.org/extlink&oid=123577603&loc=SL6953550-111524

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Amount of average investment of impaired financing receivables for which there is a related allowance for credit losses.

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Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
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-SubTopic 10
-Section 50
-Paragraph 15
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-URI https://asc.fasb.org/extlink&oid=123577603&loc=d3e5212-111524

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-SubTopic 10
-Section 50
-Paragraph 17
-URI https://asc.fasb.org/extlink&oid=123577603&loc=d3e5258-111524

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