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LOANS RECEIVABLE AND ALLOWANCE FOR CREDIT LOSSES - Troubled debt restructured loans (Details) $ in Thousands	Sep. 30, 2025 USD ($) loan	Dec. 31, 2024 USD ($)
Impaired Financing Receivables
Restructured loans to borrowers with financial difficulty	$ 114	$ 26
Non-accrual and 90+ days past due and still accruing loans to average loans	0.56%	0.19%
Allowance for credit losses to nonaccrual & 90+ days past due and still accruing loans	213.90%	789.10%
Real Estate Loan
Impaired Financing Receivables
Number of loans | loan	2
Real Estate Loan | Single-family residential
Impaired Financing Receivables
Restructured loans to borrowers with financial difficulty	$ 23	$ 26
Number of loans | loan	1
Troubled debt restructured loans	$ 23,000
Real Estate Loan | Commercial
Impaired Financing Receivables
Restructured loans to borrowers with financial difficulty	$ 91
Number of loans | loan	1
Troubled debt restructured loans	$ 91,000

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+ References

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Represents Non-accrual and 90 days or more and still accruing loans to gross loans.

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represents Troubled debt restructured loans.

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- Definition

Accumulated amortized cost of financing receivable modified for debtor experiencing financial difficulty.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 310
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 42
-Subparagraph (a)(1)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147481962/310-10-50-42

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