XML 92 R74.htm IDEA: XBRL DOCUMENT
v3.25.1

FEDERAL HOME LOAN BANK ADVANCES - Additional Information (Details) - USD ($) $ in Thousands | 12 Months Ended |
--- | --- | ---
Mar. 31, 2025 | Mar. 31, 2024
FEDERAL HOME LOAN BANK ADVANCES |  |
Loans pledged as collateral | $ 1,047,086 | $ 1,008,649
Assets pledged as collateral |  |
FEDERAL HOME LOAN BANK ADVANCES |  |
Percentage of total assets equal to bank credit line from FHLB | 45.00% |
Bank additional borrowing capacity from FHLB | $ 174,000 |
Assets pledged as collateral | FHLB advances |  |
FEDERAL HOME LOAN BANK ADVANCES |  |
Loans pledged as collateral | $ 456,500 |

X
- Definition Amount of bank additional borrowing capacity from FHLB based on collateral values. + References No definition available. + Details
Name: | rvsb_FederalHomeLoanBankAdvancesAdditionalBorrowingCapacity
Namespace Prefix: | rvsb_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Percentage of total assets which is equal to the bank credit line from FBHL. + References No definition available. + Details
Name: | rvsb_FederalHomeLoanBankAdvancesCreditLinePercentageOfTotalAssets
Namespace Prefix: | rvsb_
Data Type: | dtr-types:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
Name: | us-gaap_FederalHomeLoanBankAdvancesLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Amortized cost excluding accrued interest, after allowance for credit loss, of financing receivable. Excludes net investment in lease. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 326 -SubTopic 20 -Name Accounting Standards Codification -Section 45 -Paragraph 1 -Publisher FASB -URI https://asc.fasb.org/1943274/2147479344/326-20-45-1 + Details
Name: | us-gaap_FinancingReceivableExcludingAccruedInterestAfterAllowanceForCreditLoss
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Details
Name: | us-gaap_PledgedStatusAxis=us-gaap_AssetPledgedAsCollateralMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_PledgingPurposeAxis=us-gaap_FederalHomeLoanBankAdvancesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |