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INVESTMENT SECURITIES (Detail Textuals) - USD ($) | 3 Months Ended |
--- | --- | ---
Mar. 31, 2018 | Jun. 30, 2017 | Jun. 30, 2018
Debt Securities, Available-for-sale [Line Items] |  |  |
Investment securities gross realized gains from sales | $ 0 | $ 0 |
Investment securities available for sale |  |  |
Debt Securities, Available-for-sale [Line Items] |  |  |
Pledged as collateral at amortized cost | 3,700,000 |  | $ 3,500,000
Pledged as collateral at fair value | $ 3,600,000 |  | $ 3,400,000

X
- Definition The amortized cost of investment securities available for sale pledged as collateral for government public funds held by the bank, as of the date indicated. + References No definition available. + Details
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Namespace Prefix: | rvsb_
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Balance Type: | debit
Period Type: | instant

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- Definition This item represents the difference between the gross realized gains and losses realized on the sale of debt or equity securities categorized neither as held-to-maturity nor trading securities. Additionally, this item would include any losses recognized for other than temporary impairments (OTTI) of the subject investments in debt and equity securities. + References No definition available. + Details
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- Definition The sum of the fair values, as of the date of each statement of financial position presented, of securities that are restricted as collateral for the payment of related debt obligations, primarily secured borrowings and repurchase agreements, and that are reclassified and separately reported in the statement of financial position because the transferee has the right by contract or custom to sell or re-pledge them. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 860 -SubTopic 30 -Section 45 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=66007379&loc=d3e113888-111728 + Details
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- 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
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- Details
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