XML 32 R22.htm IDEA: XBRL DOCUMENT
v3.25.2

Note 5 - Foreclosed Assets (Tables) | 6 Months Ended
--- | ---
Jun. 30, 2025
Notes Tables |
Schedule of Other Real Estate Owned and Other Foreclosed Assets [Table Text Block] |
|  | June 30, 2025 |  |  | December 31, 2024 |
|  | Balance |  |  | Valuation Allowance |  |  | Net Balance |  |  | Balance |  |  | Valuation Allowance |  |  | Net Balance |
Other foreclosed assets |  | $ | 738 |  |  | $ | — |  |  | $ | 738 |  |  | $ | 1,391 |  |  | $ | — |  |  | $ | 1,391 |
Roll Forward of Foreclosed Assets [Table Text Block] |
|  | For the Three Months Ended |  |  | For the Six Months Ended |
|  | June 30, |  |  | June 30, |
|  | 2025 |  |  | 2024 |  |  | 2025 |  |  | 2024 |
Beginning balance |  | $ | 1,337 |  |  | $ | 2,332 |  |  | $ | 1,391 |  |  | $ | 2,777 |
New foreclosed assets |  |  | 1,133 |  |  |  | — |  |  |  | 1,185 |  |  |  | 49 |
Valuation reductions from sales |  |  | — |  |  |  | 44 |  |  |  | — |  |  |  | 111 |
Direct write-downs |  |  | (635 | ) |  |  | — |  |  |  | (635 | ) |  |  | — |
Sales |  |  | (1,097 | ) |  |  | (478 | ) |  |  | (1,203 | ) |  |  | (1,039 | )
Ending balance |  | $ | 738 |  |  | $ | 1,898 |  |  | $ | 738 |  |  | $ | 1,898 |
Foreclosed Assets, Valuation Allowance [Table Text Block] |
|  | For the Three Months Ended |  |  | For the Six Months Ended |
|  | June 30, |  |  | June 30, |
|  | 2025 |  |  | 2024 |  |  | 2025 |  |  | 2024 |
Beginning balance |  | $ | — |  |  | $ | 44 |  |  | $ | — |  |  | $ | 111 |
Reductions from sales |  |  | — |  |  |  | (44 | ) |  |  | — |  |  |  | (111 | )
Ending balance |  | $ | — |  |  | $ | — |  |  | $ | — |  |  | $ | — |

X
- Definition Tabular disclosure of valuation allowance of foreclosed assets. + References No definition available. + Details
Name: | bfin_ForeclosedAssetsValuationAllowanceTableTextBlock
Namespace Prefix: | bfin_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of roll forward of foreclosed assets. + References No definition available. + Details
Name: | bfin_RollForwardOfForeclosedAssetsTableTextBlock
Namespace Prefix: | bfin_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of other real estate owned and other foreclosed assets. + References No definition available. + Details
Name: | bfin_ScheduleOfOtherRealEstateOwnedAndOtherForeclosedAssetsTableTextBlock
Namespace Prefix: | bfin_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration

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