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SHAREHOLDERS' EQUITY AND REGULATORY CAPITAL REQUIREMENTS - Compliance with Regulatory Capital Requirements under Banking Regulations (Details) $ in Thousands | Mar. 31, 2025 USD ($) | Mar. 31, 2024 USD ($)
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SHAREHOLDERS' EQUITY AND REGULATORY CAPITAL REQUIREMENTS. |  |
Total capital to risk weighted assets actual amount | $ 178,452 | $ 173,521
Total capital to risk weighted assets actual ratio | 0.1648 | 0.1632
Total capital to risk weighted assets for capital adequacy purposes amount | $ 86,625 | $ 85,080
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 | $ 108,281 | $ 106,350
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 | $ 164,891 | $ 160,197
Tier 1 to risk weighted assets actual ratio | 0.1523 | 0.1506
Banking Regulation, Tier 1 Risk-Based Capital, Capital Adequacy, Minimum | $ 64,969 | $ 63,810
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 | $ 86,625 | $ 85,080
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 | $ 164,891 | $ 160,197
Common equity Tier 1 capital to risk weighted assets actual ratio | 0.1523 | 0.1506
Common equity Tier 1 to risk weighted assets for capital adequacy purposes amount | $ 48,726 | $ 47,857
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 | $ 70,383 | $ 69,127
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 | $ 164,891 | $ 160,197
Banking Regulation, Tier 1 Leverage Capital Ratio, Actual | 0.111 | 0.1029
Tier 1 capital leverage to average tangible assets for capital adequacy purposes amount | $ 59,406 | $ 62,296
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 | $ 74,257 | $ 77,870
Tier 1 capital leverage to average tangible assets well capitalized under prompt corrective action ratio | 0.05 | 0.05

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