XML 62 R42.htm IDEA: XBRL DOCUMENT
v3.25.0.1

Bank-Owned Certificates of Deposit (Tables) | 12 Months Ended
--- | ---
Dec. 31, 2024
Bank-Owned Certificates of Deposit |
Summary of certificates of deposit in other financial institutions by maturity | Certificates of deposit in other financial institutions by maturity are as follows:
​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | Year Ended December 31,
(dollars in thousands) |  | 2024 |  | 2023
Certificates of Deposit at Cost Maturing in: | ​ | ​ | ​ | ​ | ​ | ​
One Year or Less | ​ | $ | 1,225 | ​ | $ | —
After One Year Through Five Years | ​ |  | 3,152 | ​ |  | —
​ | ​ | $ | 4,377 | ​ | $ | —
​

X
- References No definition available. + Details
Name: | bwb_BankOwnedCertificatesOfDepositAbstract
Namespace Prefix: | bwb_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure for Bank owned certificate of deposit. + References No definition available. + Details
Name: | bwb_ScheduleOfBankOwnedCertificateOfDepositTableTextBlock
Namespace Prefix: | bwb_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration