SHAREHOLDERS' EQUITY AND REGULATORY CAPITAL REQUIREMENTS - Compliance with Regulatory Capital Requirements under Banking Regulations (Details) $ in Thousands	Mar. 31, 2026 USD ($)	Mar. 31, 2025 USD ($)
SHAREHOLDERS' EQUITY AND REGULATORY CAPITAL REQUIREMENTS.
Total capital to risk weighted assets actual amount	$ 170,932	$ 178,452
Total capital to risk weighted assets actual ratio	0.1562	0.1648
Total capital to risk weighted assets for capital adequacy purposes amount	$ 87,536	$ 86,625
Total capital to risk weighted assets for capital adequacy purposes ratio	0.08	0.08
Total capital to risk weighted assets for capital adequacy purposes well capitalized under prompt corrective action amount	$ 109,421	$ 108,281
Total capital to risk weighted assets for capital adequacy purposes well capitalized under prompt corrective action ratio	0.10	0.10
Banking Regulation, Tier 1 Risk-Based Capital, Actual	$ 157,231	$ 164,891
Tier 1 to risk weighted assets actual ratio	0.1437	0.1523
Banking Regulation, Tier 1 Risk-Based Capital, Capital Adequacy, Minimum	$ 65,652	$ 64,969
Tier 1to risk weighted assets for capital adequacy purposes ratio	0.06	0.06
Tier 1 to risk weighted assets well capitalized under prompt corrective action amount	$ 87,536	$ 86,625
Tier 1 to risk weighted assets well capitalized under prompt corrective action ratio	0.08	0.08
Common equity Tier 1 capital to risk weighted assets actual amount	$ 157,231	$ 164,891
Common equity Tier 1 capital to risk weighted assets actual ratio	0.1437	0.1523
Common equity Tier 1 to risk weighted assets for capital adequacy purposes amount	$ 49,239	$ 48,726
Common equity Tier 1 to risk weighted assets for capital adequacy purposes ratio	0.045	0.045
Common equity Tier 1 to risk weighted assets well capitalized under prompt corrective action amount	$ 71,123	$ 70,383
Common equity Tier 1 to risk weighted assets well capitalized under prompt corrective action ratio	0.065	0.065
Tier 1 capital leverage to average tangible assets actual amount	$ 157,231	$ 164,891
Banking Regulation, Tier 1 Leverage Capital Ratio, Actual	0.106	0.111
Tier 1 capital leverage to average tangible assets for capital adequacy purposes amount	$ 59,313	$ 59,406
Tier 1 capital leverage to average tangible assets for capital adequacy purposes ratio	0.04	0.04
Tier 1 capital leverage to average tangible assets well capitalized under prompt corrective action amount	$ 74,141	$ 74,257
Tier 1 capital leverage to average tangible assets well capitalized under prompt corrective action ratio	0.05	0.05

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Ratio of minimum Common Equity Tier 1 risk-based capital to risk-weighted assets required for capital adequacy as defined by regulatory framework.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 942
-SubTopic 505
-Name Accounting Standards Codification
-Section 50
-Paragraph 1
-Subparagraph (c)(1)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147477270/942-505-50-1

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Topic 942
-SubTopic 505
-Name Accounting Standards Codification
-Section 50
-Paragraph 1B
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147477270/942-505-50-1B

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