XML 81 R67.htm IDEA: XBRL DOCUMENT
v3.24.0.1

Note 5 - Loans and Allowance for Credit Losses - Loans - Allowance for Loan Losses (Details) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2023 | Dec. 31, 2022 | Dec. 31, 2021
Beginning balance | $ 41,076 | $ 32,912 | $ 29,337 | [1]
Provision/(reversal) for credit losses | 3,878 | 6,027 | 3,959 |
Less loans charged-off | (3,194) | (256) | (627) |
Recoveries on loans charged-off | 143 | 258 | 243 |
Ending balance | 41,903 | 41,076 | 32,912 |
Accounting Standards Update 2016-13 [Member] | Cumulative Effect, Period of Adoption, Adjustment [Member] |  |  |  |
Beginning balance | 0 | 2,135 | 0 |
Ending balance |  | 0 | 2,135 |
Accounting Standards Update 2016-13 [Member] | Cumulative Effect, Period of Adoption, Adjusted Balance [Member] |  |  |  |
Beginning balance | 41,076 | 35,047 | 29,337 |
Ending balance |  | 41,076 | 35,047 |
Unfunded Loan Commitment [Member] |  |  |  |
Beginning balance | 1,156 | 1,203 | 1,383 | [1]
Provision/(reversal) for credit losses | (516) | (1,092) | (180) |
Less loans charged-off | 0 | 0 | 0 |
Recoveries on loans charged-off | 0 | 0 | 0 |
Ending balance | 640 | 1,156 | 1,203 |
Unfunded Loan Commitment [Member] | Accounting Standards Update 2016-13 [Member] | Cumulative Effect, Period of Adoption, Adjustment [Member] |  |  |  |
Beginning balance | 0 | 1,045 | 0 |
Ending balance |  | 0 | 1,045 |
Unfunded Loan Commitment [Member] | Accounting Standards Update 2016-13 [Member] | Cumulative Effect, Period of Adoption, Adjusted Balance [Member] |  |  |  |
Beginning balance | 1,156 | 2,248 | 1,383 |
Ending balance |  | 1,156 | 2,248 |
Allow for Credit Loss and Unfunded Loan Commitments [Member] |  |  |  |
Beginning balance | 42,232 | 34,115 | 30,720 | [1]
Provision/(reversal) for credit losses | 3,362 | 4,935 | 3,779 |
Less loans charged-off | (3,194) | (256) | (627) |
Recoveries on loans charged-off | 143 | 258 | 243 |
Ending balance | 42,543 | 42,232 | 34,115 |
Allow for Credit Loss and Unfunded Loan Commitments [Member] | Accounting Standards Update 2016-13 [Member] | Cumulative Effect, Period of Adoption, Adjustment [Member] |  |  |  |
Beginning balance | 0 | 3,180 | 0 |
Ending balance |  | 0 | 3,180 |
Allow for Credit Loss and Unfunded Loan Commitments [Member] | Accounting Standards Update 2016-13 [Member] | Cumulative Effect, Period of Adoption, Adjusted Balance [Member] |  |  |  |
Beginning balance | 42,232 | 37,295 | 30,720 |
Ending balance |  | 42,232 | 37,295 |
Construction And Land Development Loans [Member] |  |  |  |
Beginning balance | 2,638 | 4,150 | 2,472 |
Provision/(reversal) for credit losses | (1,279) | (1,826) | 1,678 |
Less loans charged-off | (140) | 0 | 0 |
Recoveries on loans charged-off | 0 | 0 | 0 |
Ending balance | 1,219 | 2,638 | 4,150 |
Construction And Land Development Loans [Member] | Accounting Standards Update 2016-13 [Member] | Cumulative Effect, Period of Adoption, Adjustment [Member] |  |  |  |
Beginning balance |  | 314 |  |
Ending balance |  |  | 314 |
Construction And Land Development Loans [Member] | Accounting Standards Update 2016-13 [Member] | Cumulative Effect, Period of Adoption, Adjusted Balance [Member] |  |  |  |
Beginning balance |  | 4,464 |  |
Ending balance |  |  | 4,464 |
Commercial Real Estate Portfolio Segment [Member] |  |  |  |
Beginning balance | 17,657 | 16,603 | 13,719 |
Provision/(reversal) for credit losses | 2,626 | 3,716 | 2,951 |
Less loans charged-off | (2,537) | 0 | (67) |
Recoveries on loans charged-off | 80 | 0 | 0 |
Ending balance | 17,826 | 17,657 | 16,603 |
Commercial Real Estate Portfolio Segment [Member] | Accounting Standards Update 2016-13 [Member] | Cumulative Effect, Period of Adoption, Adjustment [Member] |  |  |  |
Beginning balance |  | (2,662) |  |
Ending balance |  |  | (2,662) |
Commercial Real Estate Portfolio Segment [Member] | Accounting Standards Update 2016-13 [Member] | Cumulative Effect, Period of Adoption, Adjusted Balance [Member] |  |  |  |
Beginning balance |  | 13,941 |  |
Ending balance |  |  | 13,941 |
Single Family Residential Mortgages Loans [Member] |  |  |  |
Beginning balance | 17,640 | 7,839 | 8,486 |
Provision/(reversal) for credit losses | 2,570 | 5,841 | (647) |
Less loans charged-off | (93) | 0 | 0 |
Recoveries on loans charged-off | 0 | 0 | 0 |
Ending balance | 20,117 | 17,640 | 7,839 |
Single Family Residential Mortgages Loans [Member] | Accounting Standards Update 2016-13 [Member] | Cumulative Effect, Period of Adoption, Adjustment [Member] |  |  |  |
Beginning balance |  | 3,960 |  |
Ending balance |  |  | 3,960 |
Single Family Residential Mortgages Loans [Member] | Accounting Standards Update 2016-13 [Member] | Cumulative Effect, Period of Adoption, Adjusted Balance [Member] |  |  |  |
Beginning balance |  | 11,799 |  |
Ending balance |  |  | 11,799 |
Commercial and Industrial [Member] |  |  |  |
Beginning balance | 1,804 | 2,813 | 3,690 |
Provision/(reversal) for credit losses | (458) | (818) | (533) |
Less loans charged-off | 0 | (5) | (501) |
Recoveries on loans charged-off | 2 | 2 | 157 |
Ending balance | 1,348 | 1,804 | 2,813 |
Commercial and Industrial [Member] | Accounting Standards Update 2016-13 [Member] | Cumulative Effect, Period of Adoption, Adjustment [Member] |  |  |  |
Beginning balance |  | (188) |  |
Ending balance |  |  | (188) |
Commercial and Industrial [Member] | Accounting Standards Update 2016-13 [Member] | Cumulative Effect, Period of Adoption, Adjusted Balance [Member] |  |  |  |
Beginning balance |  | 2,625 |  |
Ending balance |  |  | 2,625 |
SBA Loans [Member] |  |  |  |
Beginning balance | 621 | 980 | 927 |
Provision/(reversal) for credit losses | 636 | (156) | 53 |
Less loans charged-off | (62) | (14) | 0 |
Recoveries on loans charged-off | 1 | 227 | 0 |
Ending balance | 1,196 | 621 | 980 |
SBA Loans [Member] | Accounting Standards Update 2016-13 [Member] | Cumulative Effect, Period of Adoption, Adjustment [Member] |  |  |  |
Beginning balance |  | (416) |  |
Ending balance |  |  | (416) |
SBA Loans [Member] | Accounting Standards Update 2016-13 [Member] | Cumulative Effect, Period of Adoption, Adjusted Balance [Member] |  |  |  |
Beginning balance |  | 564 |  |
Ending balance |  |  | 564 |
Other Loans [Member] |  |  |  |
Beginning balance | 716 | 527 | 43 |
Provision/(reversal) for credit losses | (217) | (730) | 457 |
Less loans charged-off | (362) | (237) | (59) |
Recoveries on loans charged-off | 60 | 29 | 86 |
Ending balance | $ 197 | 716 | 527 |
Other Loans [Member] | Accounting Standards Update 2016-13 [Member] | Cumulative Effect, Period of Adoption, Adjustment [Member] |  |  |  |
Beginning balance |  | 1,127 |  |
Ending balance |  |  | 1,127 |
Other Loans [Member] | Accounting Standards Update 2016-13 [Member] | Cumulative Effect, Period of Adoption, Adjusted Balance [Member] |  |  |  |
Beginning balance |  | $ 1,654 |  |
Ending balance |  |  | $ 1,654 |
[1] | Reserve was under the ALL method in accordance with ASC 450 and ASC 310.

X
- Definition Amount of allowance for credit loss on financing receivable. Excludes allowance for financing receivable covered under loss sharing agreement. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 210 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(4)) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480566/210-10-S99-1 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Name Regulation S-K (SK) -Number 229 -Section 1405 -Paragraph (a) -Subparagraph (1) -Publisher SEC Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Name Regulation S-K (SK) -Number 229 -Section 1405 -Paragraph (a) -Subparagraph (3) -Publisher SEC Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Name Regulation S-K (SK) -Number 229 -Section 1405 -Paragraph (c) -Publisher SEC Reference 5: http://www.xbrl.org/2003/role/disclosureRef -Topic 326 -SubTopic 20 -Name Accounting Standards Codification -Section 45 -Paragraph 1 -Publisher FASB -URI https://asc.fasb.org//1943274/2147479344/326-20-45-1 Reference 6: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 942 -SubTopic 210 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03(7)(2)) -Publisher FASB -URI https://asc.fasb.org//1943274/2147479853/942-210-S99-1 Reference 7: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Section 50 -Paragraph 11B -Subparagraph (c)(1) -SubTopic 10 -Topic 310 -Publisher FASB -URI https://asc.fasb.org//1943274/2147481962/310-10-50-11B Reference 8: http://www.xbrl.org/2003/role/disclosureRef -Topic 326 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 13 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org//1943274/2147479319/326-20-50-13 Reference 9: http://www.xbrl.org/2003/role/disclosureRef -Topic 326 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 13 -Subparagraph (f) -Publisher FASB -URI https://asc.fasb.org//1943274/2147479319/326-20-50-13 + Details
Name: | us-gaap_FinancingReceivableAllowanceForCreditLosses
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Amount of increase in allowance for credit loss on financing receivable from recovery. + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Topic 326 -SubTopic 20 -Name Accounting Standards Codification -Section 55 -Paragraph 79 -Publisher FASB -URI https://asc.fasb.org//1943274/2147479294/326-20-55-79 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 326 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 13 -Subparagraph (e) -Publisher FASB -URI https://asc.fasb.org//1943274/2147479319/326-20-50-13 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Section 50 -Paragraph 11B -Subparagraph (c)(4) -SubTopic 10 -Topic 310 -Publisher FASB -URI https://asc.fasb.org//1943274/2147481962/310-10-50-11B + Details
Name: | us-gaap_FinancingReceivableAllowanceForCreditLossesRecovery
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Amount of writeoff of financing receivable, charged against allowance for credit loss. + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Topic 326 -SubTopic 20 -Name Accounting Standards Codification -Section 55 -Paragraph 79 -Publisher FASB -URI https://asc.fasb.org//1943274/2147479294/326-20-55-79 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 326 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 6 -Publisher FASB -URI https://asc.fasb.org//1943274/2147479319/326-20-50-6 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Topic 326 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 13 -Subparagraph (d) -Publisher FASB -URI https://asc.fasb.org//1943274/2147479319/326-20-50-13 Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Section 50 -Paragraph 11B -Subparagraph (c)(3) -SubTopic 10 -Topic 310 -Publisher FASB -URI https://asc.fasb.org//1943274/2147481962/310-10-50-11B + Details
Name: | us-gaap_FinancingReceivableAllowanceForCreditLossesWriteOffs
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Amount of credit loss expense (reversal of expense) for financing receivable. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 326 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 13 -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org//1943274/2147479319/326-20-50-13 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 942 -SubTopic 220 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-04(11)) -Publisher FASB -URI https://asc.fasb.org//1943274/2147483589/942-220-S99-1 + Details
Name: | us-gaap_ProvisionForLoanLossesExpensed
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Details
Name: | us-gaap_AdjustmentsForNewAccountingPronouncementsAxis=us-gaap_AccountingStandardsUpdate201613Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_CumulativeEffectPeriodOfAdoptionAxis=srt_CumulativeEffectPeriodOfAdoptionAdjustmentMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_CumulativeEffectPeriodOfAdoptionAxis=srt_CumulativeEffectPeriodOfAdoptionAdjustedBalanceMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis=us-gaap_UnfundedLoanCommitmentMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis=rbb_AllowForCreditLossAndUnfundedLoanCommitmentsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancingReceivablePortfolioSegmentAxis=rbb_ConstructionAndLandDevelopmentLoansMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancingReceivablePortfolioSegmentAxis=us-gaap_CommercialRealEstatePortfolioSegmentMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancingReceivablePortfolioSegmentAxis=rbb_SingleFamilyResidentialMortgagesLoansMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancingReceivablePortfolioSegmentAxis=rbb_CommercialAndIndustrialMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancingReceivablePortfolioSegmentAxis=rbb_SBALoansMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancingReceivablePortfolioSegmentAxis=rbb_OtherLoansMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |