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RIVERVIEW BANCORP, INC. (PARENT COMPANY ONLY) - STATEMENTS OF INCOME (Details) - USD ($) $ in Thousands | 3 Months Ended | 12 Months Ended
--- | --- | ---
Mar. 31, 2021 | Dec. 31, 2020 | Sep. 30, 2020 | Jun. 30, 2020 | Mar. 31, 2020 | Dec. 31, 2019 | Sep. 30, 2019 | Jun. 30, 2019 | Mar. 31, 2021 | Mar. 31, 2020 | Mar. 31, 2019
EXPENSE: |  |  |  |  |  |  |  |  |  |  |
Other expenses |  |  |  |  |  |  |  |  | $ 1,997 | $ 2,033 | $ 1,870
Total expense | $ 9,626 | $ 9,107 | $ 8,836 | $ 8,685 | $ 8,818 | $ 9,248 | $ 9,003 | $ 9,194 | 36,254 | 36,263 | 35,699
LOSS BEFORE INCOME TAXES AND EQUITY IN UNDISTRIBUTED INCOME OF THE BANK | 4,406 | 5,234 | 3,247 | 566 | 3,874 | 5,407 | 5,885 | 5,412 | 13,453 | 20,578 | 22,412
BENEFIT FOR INCOME TAXES | 992 | 1,199 | 704 | 86 | 980 | 1,279 | 1,351 | 1,220 | 2,981 | 4,830 | 5,146
NET INCOME | 3,414 | $ 4,035 | $ 2,543 | $ 480 | 2,894 | $ 4,128 | $ 4,534 | $ 4,192 | 10,472 | 15,748 | 17,266
RIVERVIEW BANCORP, INC. (PARENT COMPANY ONLY) |  |  |  |  |  |  |  |  |  |  |
INCOME: |  |  |  |  |  |  |  |  |  |  |
Interest on investment securities and other short-term investments |  |  |  |  |  |  |  |  | 17 | 33 | 35
Total income |  |  |  |  |  |  |  |  | 17 | 33 | 35
EXPENSE: |  |  |  |  |  |  |  |  |  |  |
Management service fees paid to the Bank |  |  |  |  |  |  |  |  | 143 | 143 | 143
Other expenses |  |  |  |  |  |  |  |  | 731 | 1,233 | 1,298
Total expense |  |  |  |  |  |  |  |  | 874 | 1,376 | 1,441
LOSS BEFORE INCOME TAXES AND EQUITY IN UNDISTRIBUTED INCOME OF THE BANK |  |  |  |  |  |  |  |  | (857) | (1,343) | (1,406)
BENEFIT FOR INCOME TAXES |  |  |  |  |  |  |  |  | (180) | (282) | (294)
LOSS OF PARENT COMPANY |  |  |  |  |  |  |  |  | (677) | (1,061) | (1,112)
EQUITY IN UNDISTRIBUTED INCOME OF THE BANK | $ 11,149 |  |  |  | $ 16,809 |  |  |  | 11,149 | 16,809 | 18,378
NET INCOME |  |  |  |  |  |  |  |  | $ 10,472 | $ 15,748 | $ 17,266

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