XML 73 R63.htm IDEA: XBRL DOCUMENT
v3.8.0.1

COMMITMENTS AND CONTINGENCIES: Schedule of significant off-balance sheet commitments (Details) $ in Thousands | Sep. 30, 2017 USD ($)
--- | ---
Fair Value, Off-balance Sheet Risks, Disclosure Information [Line Items] |
Contract or Notional Amount | $ 169,132
Commitments to originate loans: | Adjustable-rate |
Fair Value, Off-balance Sheet Risks, Disclosure Information [Line Items] |
Contract or Notional Amount | 21,601
Commitments to originate loans: | Fixed-rate |
Fair Value, Off-balance Sheet Risks, Disclosure Information [Line Items] |
Contract or Notional Amount | 7,432
Standby letters of credit |
Fair Value, Off-balance Sheet Risks, Disclosure Information [Line Items] |
Contract or Notional Amount | 2,494
Undisbursed loan funds and unused lines of credit |
Fair Value, Off-balance Sheet Risks, Disclosure Information [Line Items] |
Contract or Notional Amount | $ 137,605

X
- Definition The fair value of financial assets, which are not recognized in the financial statements (off-balance sheet) because they fail to meet some other criterion for recognition. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 825 -SubTopic 10 -Section 50 -Paragraph 10 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=77997519&loc=d3e13433-108611 + Details
Name: | us-gaap_FairValueDisclosureOffbalanceSheetRisksAmountAsset
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

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_FairValueOffBalanceSheetRisksDisclosureInformationLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | us-gaap_FinancialInstrumentAxis=us-gaap_LoanOriginationCommitmentsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_InvestmentTypeAxis=us-gaap_AdjustableRateLoansMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_InvestmentTypeAxis=rvsb_FixedRateLoansMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancialInstrumentAxis=us-gaap_StandbyLettersOfCreditMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancialInstrumentAxis=us-gaap_UnusedLinesOfCreditMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |