XML 37 R27.htm IDEA: XBRL DOCUMENT
v3.10.0.1

STOCK PLANS AND STOCK-BASED COMPENSATION (Tables) | 9 Months Ended
--- | ---
Dec. 31, 2018
Disclosure of Compensation Related Costs, Share-based Payments [Abstract] |
Schedule of stock options outstanding |
|  | Nine Months Ended December 31, 2018 |  |  | Nine Months Ended December 31, 2017 |
|  | Number of Shares |  |  | Weighted Average Exercise Price |  |  | Number of Shares |  |  | Weighted Average Exercise Price |
Balance, beginning of period |  |  | 141,365 |  |  | $ | 3.77 |  |  |  | 220,654 |  |  | $ | 4.74 |
Options exercised |  |  | (28,533 | ) |  |  | 5.30 |  |  |  | (41,022 | ) |  |  | 4.01 |
Expired |  |  | (2,500 | ) |  |  | 8.12 |  |  |  | (33,000 | ) |  |  | 8.49 |
Balance, end of period |  |  | 110,332 |  |  | $ | 3.27 |  |  |  | 146,632 |  |  | $ | 4.10 |
Schedule of stock options outstanding, less estimated forfeitures |
|  | 2018 |  |  | 2017 |
Stock options fully vested and expected to vest: |  |  |  |  |  |
Number |  |  | 110,332 |  |  |  | 146,632 |
Weighted average exercise price |  | $ | 3.27 |  |  | $ | 4.10 |
Aggregate intrinsic value (1) |  | $ | 442,000 |  |  | $ | 678,000 |
Weighted average contractual term of options (years) |  |  | 2.44 |  |  |  | 2.93 |
Stock options fully vested and currently exercisable: |  |  |  |  |  |  |  |
Number |  |  | 110,332 |  |  |  | 146,632 |
Weighted average exercise price |  | $ | 3.27 |  |  | $ | 4.10 |
Aggregate intrinsic value (1) |  | $ | 442,000 |  |  | $ | 678,000 |
Weighted average contractual term of options (years) |  |  | 2.44 |  |  |  | 2.93 |
(1) The aggregate intrinsic value of a stock option in the table above represents the total pre-tax intrinsic value (the amount by which the current market value of the underlying stock exceeds the exercise price) that would have been received by the option holders had all option holders exercised. This amount changes based on changes in the market value of the Company's stock.

X
- Definition Tabular disclosure of the following for fully vested share options (or share units) and share options expected to vest at the date of the latest statement of financial position: the number, weighted-average exercise price (or conversion ratio), aggregate intrinsic value (except for nonpublic entities), and weighted-average remaining contractual term of options (or share units) currently exercisable (or convertible). + References No definition available. + Details
Name: | rvsb_ScheduleOfStockOptionsOutstandingTableTextBlock
Namespace Prefix: | rvsb_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

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

X
- Definition Tabular disclosure of components of a stock option or other award plan under which equity-based compensation is awarded to employees, typically comprised of the amount of unearned compensation (deferred compensation cost), compensation expense, and changes in the quantity and fair value of the shares (or other type of equity) granted, exercised, forfeited, and issued and outstanding pertaining to that plan. Disclosure may also include nature and general terms of such arrangements that existed during the period and potential effects of those arrangements on shareholders, effect of compensation cost arising from equity-based payment arrangements on the income statement, method of estimating the fair value of the goods or services received, or the fair value of the equity instruments granted, during the period, cash flow effects resulting from equity-based payment arrangements and, for registrants that accelerate vesting of out of the money share options, reasons for the decision to accelerate. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=109197908&loc=d3e5047-113901 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=109197908&loc=d3e5070-113901 + Details
Name: | us-gaap_DisclosureOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration