XML 85 R67.htm IDEA: XBRL DOCUMENT
v3.25.1

Note 4 - Loans and Allowance for Credit Losses - Loans - Schedule of Loans by Collateral Held (Details) - USD ($) $ in Thousands | Dec. 31, 2024 | Dec. 31, 2023
--- | --- | ---
Loans, gross |  | $ 3,053,230 | $ 3,031,861
Commercial Real Estate Portfolio Segment [Member] |  |  |
Loans, gross | [1] | 1,201,420 | 1,167,857
Single Family Residential Mortgages Loans [Member] |  |  |
Loans, gross |  | 1,494,022 | 1,487,796
Construction And Land Development Loans [Member] |  |  |
Loans, gross |  | 173,290 | 181,469
Commercial and Industrial [Member] |  |  |
Loans, gross |  | 129,585 | 130,096
SBA Loans [Member] |  |  |
Loans, gross |  | 47,263 | 52,074
Commercial Real Estate Collateral [Member] |  |  |
Loans, gross |  | 26,680 | 11,153
Commercial Real Estate Collateral [Member] | Commercial Real Estate Portfolio Segment [Member] |  |  |
Loans, gross |  | 7,131 | 10,353
Commercial Real Estate Collateral [Member] | Single Family Residential Mortgages Loans [Member] |  |  |
Loans, gross |  | 0 | 0
Commercial Real Estate Collateral [Member] | Construction And Land Development Loans [Member] |  |  |
Loans, gross |  | 18,226 |
Commercial Real Estate Collateral [Member] | Commercial and Industrial [Member] |  |  |
Loans, gross |  | 0 | 0
Commercial Real Estate Collateral [Member] | SBA Loans [Member] |  |  |
Loans, gross |  | 1,323 | 800
Real Estate [Member] |  |  |
Loans, gross |  | 42,889 | 20,129
Real Estate [Member] | Commercial Real Estate Portfolio Segment [Member] |  |  |
Loans, gross |  | 222 | 216
Real Estate [Member] | Single Family Residential Mortgages Loans [Member] |  |  |
Loans, gross |  | 11,524 | 18,103
Real Estate [Member] | Construction And Land Development Loans [Member] |  |  |
Loans, gross |  | 26,395 |
Real Estate [Member] | Commercial and Industrial [Member] |  |  |
Loans, gross |  | 4,708 | 610
Real Estate [Member] | SBA Loans [Member] |  |  |
Loans, gross |  | 40 | 1,200
Business Assets [Member] |  |  |
Loans, gross |  | 262 | 329
Business Assets [Member] | Commercial Real Estate Portfolio Segment [Member] |  |  |
Loans, gross |  | 0 | 0
Business Assets [Member] | Single Family Residential Mortgages Loans [Member] |  |  |
Loans, gross |  | 0 | 0
Business Assets [Member] | Construction And Land Development Loans [Member] |  |  |
Loans, gross |  | 0 |
Business Assets [Member] | Commercial and Industrial [Member] |  |  |
Loans, gross |  | 111 | 244
Business Assets [Member] | SBA Loans [Member] |  |  |
Loans, gross |  | 151 | 85
Collateral Pledged [Member] |  |  |
Loans, gross |  | 69,831 | 31,611
Collateral Pledged [Member] | Commercial Real Estate Portfolio Segment [Member] |  |  |
Loans, gross |  | 7,353 | 10,569
Collateral Pledged [Member] | Single Family Residential Mortgages Loans [Member] |  |  |
Loans, gross |  | 11,524 | 18,103
Collateral Pledged [Member] | Construction And Land Development Loans [Member] |  |  |
Loans, gross |  | 44,621 |
Collateral Pledged [Member] | Commercial and Industrial [Member] |  |  |
Loans, gross |  | 4,819 | 854
Collateral Pledged [Member] | SBA Loans [Member] |  |  |
Loans, gross |  | $ 1,514 | $ 2,085
[1] | Includes non-farm and non-residential real estate loans, multifamily residential and single-family residential loans for a business purpose

X
- Definition Amortized cost, before allowance for credit loss, of financing receivable. Excludes financing receivable covered under loss sharing agreement and net investment in lease. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 310 -SubTopic 10 -Name Accounting Standards Codification -Section 45 -Paragraph 13 -Publisher FASB -URI https://asc.fasb.org/1943274/2147481990/310-10-45-13 Reference 2: http://fasb.org/us-gaap/role/ref/otherTransitionRef -Topic 310 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 7A -Publisher FASB -URI https://asc.fasb.org/1943274/2147481962/310-10-50-7A Reference 3: http://fasb.org/us-gaap/role/ref/otherTransitionRef -Topic 310 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 29 -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org/1943274/2147481962/310-10-50-29 Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Name Regulation S-K (SK) -Number 229 -Section 1405 -Paragraph a -Subparagraph (1) -Publisher SEC Reference 5: http://www.xbrl.org/2003/role/disclosureRef -Name Regulation S-K (SK) -Number 229 -Section 1405 -Paragraph a -Subparagraph (2) -Publisher SEC Reference 6: http://www.xbrl.org/2009/role/commonPracticeRef -Name Regulation S-K (SK) -Number 229 -Section 1404 -Paragraph a -Publisher SEC Reference 7: http://www.xbrl.org/2003/role/exampleRef -Topic 326 -SubTopic 20 -Name Accounting Standards Codification -Section 55 -Paragraph 80 -Publisher FASB -URI https://asc.fasb.org/1943274/2147479294/326-20-55-80 Reference 8: 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 9: http://www.xbrl.org/2009/role/commonPracticeRef -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 10: http://www.xbrl.org/2003/role/disclosureRef -Topic 210 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(3)(b)) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480566/210-10-S99-1 Reference 11: http://www.xbrl.org/2003/role/disclosureRef -Topic 326 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 14 -Publisher FASB -URI https://asc.fasb.org/1943274/2147479319/326-20-50-14 Reference 12: http://www.xbrl.org/2003/role/disclosureRef -Topic 326 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 5 -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org/1943274/2147479319/326-20-50-5 + Details
Name: | us-gaap_NotesReceivableGross
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

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_ConstructionAndLandDevelopmentLoansMember
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_CollateralAxis=rbb_CommercialRealEstateCollateralMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_CollateralAxis=us-gaap_RealEstateMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_CollateralAxis=rbb_BusinessAssetsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_CollateralAxis=us-gaap_CollateralPledgedMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |