XML 71 R55.htm IDEA: XBRL DOCUMENT
v3.25.1

Loans and Allowance for Loan Credit Losses - Schedule of Allowance for Credit Losses by Portfolio Type (Details) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2024 | Dec. 31, 2023
Allowance for credit losses: |  |
Balance, beginning of period | $ 4,319 | $ 4,482
Provision for (recapture of) loan credit losses | 195 | (163)
Loans charged-off | 0 | 0
Recoveries collected | 0 | 0
Balance, end of period | 4,514 | 4,319
Cumulative Effect, Period of Adoption, Adjustment |  |
Allowance for credit losses: |  |
Balance, beginning of period |  | 0
Commercial real estate |  |
Allowance for credit losses: |  |
Balance, beginning of period | 1,233 | 905
Provision for (recapture of) loan credit losses | (93) | 198
Loans charged-off | 0 | 0
Recoveries collected | 0 | 0
Balance, end of period | 1,140 | 1,233
Commercial real estate | Cumulative Effect, Period of Adoption, Adjustment |  |
Allowance for credit losses: |  |
Balance, beginning of period |  | 130
Commercial |  |
Allowance for credit losses: |  |
Balance, beginning of period | 189 | 573
Provision for (recapture of) loan credit losses | 294 | (403)
Loans charged-off | 0 | 0
Recoveries collected | 0 | 0
Balance, end of period | 483 | 189
Commercial | Cumulative Effect, Period of Adoption, Adjustment |  |
Allowance for credit losses: |  |
Balance, beginning of period |  | 19
Residential real estate closed-end |  |
Allowance for credit losses: |  |
Balance, beginning of period | 2,668 | 2,650
Provision for (recapture of) loan credit losses | (24) | 34
Loans charged-off | 0 | 0
Recoveries collected | 0 | 0
Balance, end of period | 2,644 | 2,668
Residential real estate closed-end | Cumulative Effect, Period of Adoption, Adjustment |  |
Allowance for credit losses: |  |
Balance, beginning of period |  | (16)
Other consumer loans |  |
Allowance for credit losses: |  |
Balance, beginning of period | 229 | 354
Provision for (recapture of) loan credit losses | 18 | 8
Loans charged-off | 0 | 0
Recoveries collected | 0 | 0
Balance, end of period | $ 247 | 229
Other consumer loans | Cumulative Effect, Period of Adoption, Adjustment |  |
Allowance for credit losses: |  |
Balance, beginning of period |  | $ (133)

X
- Definition Amount excluding accrued interest, of allowance for credit loss on financing receivable. Excludes net investment in lease. + References Reference 1: 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 + Details
Name: | us-gaap_FinancingReceivableAllowanceForCreditLossExcludingAccruedInterest
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
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_FinancingReceivableAllowanceForCreditLossesRollForward
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Amount, excluding accrued interest, of increase in allowance for credit loss on financing receivable from recovery. Excludes net investment in lease. + References Reference 1: 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 + Details
Name: | us-gaap_FinancingReceivableExcludingAccruedInterestAllowanceForCreditLossRecovery
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Amount, excluding accrued interest, of decrease in allowance for credit loss on financing receivable from writeoff. Excludes net investment in lease. + References Reference 1: 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 2: 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 + Details
Name: | us-gaap_FinancingReceivableExcludingAccruedInterestAllowanceForCreditLossWriteoff
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Amount, excluding accrued interest, of credit loss expense (reversal of expense) on financing receivable. Excludes net investment in lease. + 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 + Details
Name: | us-gaap_FinancingReceivableExcludingAccruedInterestCreditLossExpenseReversal
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

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

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

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