XML 79 R69.htm IDEA: XBRL DOCUMENT
v3.20.4

COMMITMENTS AND CONTINGENCIES - Additional Information (Details) | 9 Months Ended
--- | ---
Dec. 31, 2020 USD ($)
COMMITMENTS AND CONTINGENCIES |
Threshold limit for honoring of commitments | 45 days
Loans under warranty | $ 71,800,000
Allowance for FHLMC loans | $ 12,000

X
- Definition Represents amount of Allowance for FHLMC loans Federal Home Loan Mortgage Corporation. + References No definition available. + Details
Name: | rvsb_AllowanceForFederalHomeLoanMortgageCorporationLoans
Namespace Prefix: | rvsb_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Loans reflecting that if the underlying assets do not conform to the specifications, the Bank may have an obligation to repurchase the assets or indemnify the purchaser against loss. + References No definition available. + Details
Name: | rvsb_LoansUnderWarranty
Namespace Prefix: | rvsb_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Represent the threshold limit for honoring of commitments. + References No definition available. + Details
Name: | rvsb_ThresholdLimitForHonoringOfCommitments
Namespace Prefix: | rvsb_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

X
- References No definition available. + Details
Name: | us-gaap_CommitmentsAndContingenciesDisclosureAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration