XML 96 R80.htm IDEA: XBRL DOCUMENT
v3.25.0.1

Stock-Based Compensation Plans - Schedule of Equity Incentive Plan (Details) - 2018 Equity Inventive Plan - shares | 12 Months Ended
--- | ---
Dec. 31, 2024 | Dec. 31, 2023
2018 Plan Number of Shares |  |
Awards available for issuance, beginning balance (in shares) | 166,100 | 173,550
Awards granted (in shares) | (12,450) | (9,300)
Awards forfeited (in shares) | 575 | 1,850
Awards available for issuance, ending balance (in shares) | 154,225 | 166,100

X
- Definition Share-based Compensation Arrangement by Share-based Payment Award, Shares Forfeited + References No definition available. + Details
Name: | rrbi_ShareBasedCompensationArrangementByShareBasedPaymentAwardSharesForfeited
Namespace Prefix: | rrbi_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | duration

X
- Definition The difference between the maximum number of shares (or other type of equity) authorized for issuance under the plan (including the effects of amendments and adjustments), and the sum of: 1) the number of shares (or other type of equity) already issued upon exercise of options or other equity-based awards under the plan; and 2) shares (or other type of equity) reserved for issuance on granting of outstanding awards, net of cancellations and forfeitures, if applicable. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Publisher FASB -URI https://asc.fasb.org/1943274/2147480429/718-10-50-2 + Details
Name: | us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAvailableForGrant
Namespace Prefix: | us-gaap_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | instant

X
- Definition A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period. + References No definition available. + Details
Name: | us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingRollForward
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Number of shares issued under share-based payment arrangement. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Publisher FASB -URI https://asc.fasb.org/1943274/2147480429/718-10-50-2 + Details
Name: | us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardSharesIssuedInPeriod
Namespace Prefix: | us-gaap_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | us-gaap_PlanNameAxis=rrbi_A2018EquityInventivePlanMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |