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INVESTMENT SECURITIES - Additional information (Details) - USD ($) $ in Thousands | 6 Months Ended |
--- | --- | ---
Sep. 30, 2023 | Sep. 30, 2022 | Mar. 31, 2023
INVESTMENT SECURITIES |  |  |
Proceeds from the sale of investment securities | $ 0 | $ 0 |
Gross realized gains on sales of investment securities | 0 | $ 0 |
Available for sale with amortized cost | 225,156 |  | $ 235,591
Available for sale, estimated fair value | 193,984 |  | 211,499
Held to maturity, estimated fair value | 193,283 |  | 210,214
Asset Pledged as Collateral. |  |  |
INVESTMENT SECURITIES |  |  |
Available for sale with amortized cost | 2,900 |  | 3,200
Available for sale, estimated fair value | 2,600 |  | 2,900
Held to maturity at amortized cost | 11,700 |  | 12,300
Held to maturity, estimated fair value | $ 9,300 |  | $ 10,400

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- Definition Amortized cost excluding accrued interest, before allowance for credit loss, of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale). + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 326 -SubTopic 30 -Name Accounting Standards Codification -Section 45 -Paragraph 1 -Publisher FASB -URI https://asc.fasb.org//1943274/2147479130/326-30-45-1 + Details
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