XML 56 R46.htm IDEA: XBRL DOCUMENT v3.25.1

Note 7 - Fair Value (Details Textual) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2025	Mar. 31, 2024	Dec. 31, 2024
Foreclosed Assets, Gross	$ 0		$ 0
Foreclosed Assets Valuation Adjustments, With Valuation Reserve	$ 0	$ 0

X

- Definition

Represents gross amount of foreclosed assets before valuation allowance.

+ References

No definition available.

+ Details

Name:	bfin_ForeclosedAssetsGross
Namespace Prefix:	bfin_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

X

- Definition

Represents valuation adjustments of foreclosed assets with a valuation reserve.

+ References

No definition available.

+ Details

Name:	bfin_ForeclosedAssetsValuationAdjustmentsWithValuationReserve
Namespace Prefix:	bfin_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration