XML 57 R46.htm IDEA: XBRL DOCUMENT
v3.24.1.u1

Loans and Allowance for Credit Losses - Amortized cost basis of collateral dependent loans (Details) - USD ($) $ in Thousands | Mar. 31, 2024 | Dec. 31, 2023
--- | --- | ---
Financing Receivable, Allowance for Credit Losses [Line Items] |  |
Total | $ 33,829 | $ 35,858
ACL Allocation | 231 | 103
Real Estate |  |
Financing Receivable, Allowance for Credit Losses [Line Items] |  |
Total | 18,705 | 19,715
Business Assets |  |
Financing Receivable, Allowance for Credit Losses [Line Items] |  |
Total | 4,766 | 5,782
Other |  |
Financing Receivable, Allowance for Credit Losses [Line Items] |  |
Total | 10,358 | 10,361
Commercial |  |
Financing Receivable, Allowance for Credit Losses [Line Items] |  |
Total | 15,124 | 16,143
ACL Allocation | 26 | 8
Commercial | Business Assets |  |
Financing Receivable, Allowance for Credit Losses [Line Items] |  |
Total | 4,766 | 5,782
Commercial | Other |  |
Financing Receivable, Allowance for Credit Losses [Line Items] |  |
Total | 10,358 | 10,361
Construction and Land Development |  |
Financing Receivable, Allowance for Credit Losses [Line Items] |  |
Total | 74 | 80
Construction and Land Development | Real Estate |  |
Financing Receivable, Allowance for Credit Losses [Line Items] |  |
Total | 74 | 80
1-4 Family Construction |  |
Financing Receivable, Allowance for Credit Losses [Line Items] |  |
Total |  | 249
1-4 Family Construction | Real Estate |  |
Financing Receivable, Allowance for Credit Losses [Line Items] |  |
Total |  | 249
1-4 Family Mortgage |  |
Financing Receivable, Allowance for Credit Losses [Line Items] |  |
Total | 655 | 689
1-4 Family Mortgage | Real Estate |  |
Financing Receivable, Allowance for Credit Losses [Line Items] |  |
Total | 655 | 689
CRE Owner Occupied |  |
Financing Receivable, Allowance for Credit Losses [Line Items] |  |
Total | 996 | 1,559
CRE Owner Occupied | Real Estate |  |
Financing Receivable, Allowance for Credit Losses [Line Items] |  |
Total | 996 | 1,559
CRE Non-owner Occupied |  |
Financing Receivable, Allowance for Credit Losses [Line Items] |  |
Total | 16,980 | 17,138
ACL Allocation | 205 | 95
CRE Non-owner Occupied | Real Estate |  |
Financing Receivable, Allowance for Credit Losses [Line Items] |  |
Total | $ 16,980 | $ 17,138

X
- Definition Amount of valuation allowance for financing receivable that are expected to be uncollectible that were individually evaluated for impairment. + References No definition available. + Details
Name: | bwb_FinancingReceivablesAllowanceForCreditLossIndividuallyEvaluatedForImpairment
Namespace Prefix: | bwb_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition The balance of financing receivable that were individually evaluated for impairment. + References No definition available. + Details
Name: | bwb_FinancingReceivablesIndividuallyEvaluatedForImpairment
Namespace Prefix: | bwb_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 326 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 13 -Publisher FASB -URI https://asc.fasb.org//1943274/2147479319/326-20-50-13 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Name Regulation S-K (SK) -Number 229 -Section 1405 -Paragraph c -Publisher SEC + Details
Name: | us-gaap_FinancingReceivableAllowanceForCreditLossesLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

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

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

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

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

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

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

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