<SEC-DOCUMENT>0001437749-24-012199-index.html : 20240416
<SEC-HEADER>0001437749-24-012199.hdr.sgml : 20240416
<ACCEPTANCE-DATETIME>20240416164859
ACCESSION NUMBER:		0001437749-24-012199
CONFORMED SUBMISSION TYPE:	10-K/A
PUBLIC DOCUMENT COUNT:		17
CONFORMED PERIOD OF REPORT:	20231231
FILED AS OF DATE:		20240416
DATE AS OF CHANGE:		20240416

FILER:

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			BankFinancial CORP
		CENTRAL INDEX KEY:			0001303942
		STANDARD INDUSTRIAL CLASSIFICATION:	SAVINGS INSTITUTION, FEDERALLY CHARTERED [6035]
		ORGANIZATION NAME:           	02 Finance
		IRS NUMBER:				000000000
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		10-K/A
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	000-51331
		FILM NUMBER:		24848431

	BUSINESS ADDRESS:	
		STREET 1:		60 NORTH FRONTAGE ROAD
		CITY:			BURR RIDGE
		STATE:			IL
		ZIP:			60527
		BUSINESS PHONE:		(800) 894-6900

	MAIL ADDRESS:	
		STREET 1:		60 NORTH FRONTAGE ROAD
		CITY:			BURR RIDGE
		STATE:			IL
		ZIP:			60527
</SEC-HEADER>
<DOCUMENT>
<TYPE>10-K/A
<SEQUENCE>1
<FILENAME>bfin20231231_10ka.htm
<DESCRIPTION>FORM 10-K/A
<TEXT>
Document 1 - file: bfin20231231_10ka.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-10.1
<SEQUENCE>2
<FILENAME>ex_649371.htm
<DESCRIPTION>EXHIBIT 10.1
<TEXT>
Document 2 - file: ex_649371.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-31.1
<SEQUENCE>3
<FILENAME>ex_649406.htm
<DESCRIPTION>EXHIBIT 31.1
<TEXT>
Document 3 - file: ex_649406.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-31.2
<SEQUENCE>4
<FILENAME>ex_649747.htm
<DESCRIPTION>EXHIBIT 31.2
<TEXT>
Document 4 - file: ex_649747.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-101.SCH
<SEQUENCE>5
<FILENAME>bfin-20231231.xsd
<DESCRIPTION>XBRL TAXONOMY EXTENSION SCHEMA
<TEXT>
Document 5 - file: bfin-20231231.xsd

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-101.DEF
<SEQUENCE>6
<FILENAME>bfin-20231231_def.xml
<DESCRIPTION>XBRL TAXONOMY EXTENSION DEFINITION LINKBASE
<TEXT>
Document 6 - file: bfin-20231231_def.xml

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-101.LAB
<SEQUENCE>7
<FILENAME>bfin-20231231_lab.xml
<DESCRIPTION>XBRL TAXONOMY EXTENSION LABEL LINKBASE
<TEXT>
Document 7 - file: bfin-20231231_lab.xml

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-101.PRE
<SEQUENCE>8
<FILENAME>bfin-20231231_pre.xml
<DESCRIPTION>XBRL TAXONOMY EXTENSION PRESENTATION LINKBASE
<TEXT>
Document 8 - file: bfin-20231231_pre.xml

</DOCUMENT>
<DOCUMENT>
<TYPE>XML
<SEQUENCE>10
<FILENAME>R1.htm
<DESCRIPTION>IDEA: XBRL DOCUMENT
<TEXT>
Document 10 - file: R1.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EXCEL
<SEQUENCE>11
<FILENAME>Financial_Report.xlsx
<DESCRIPTION>IDEA: XBRL DOCUMENT
<TEXT>
Document 11 - file: Financial_Report.xlsx

</DOCUMENT>
<DOCUMENT>
<TYPE>XML
<SEQUENCE>12
<FILENAME>Show.js
<DESCRIPTION>IDEA: XBRL DOCUMENT
<TEXT>
Document 12 - file: Show.js

</DOCUMENT>
<DOCUMENT>
<TYPE>XML
<SEQUENCE>13
<FILENAME>report.css
<DESCRIPTION>IDEA: XBRL DOCUMENT
<TEXT>
Document 13 - file: report.css

</DOCUMENT>
<DOCUMENT>
<TYPE>XML
<SEQUENCE>15
<FILENAME>FilingSummary.xml
<DESCRIPTION>IDEA: XBRL DOCUMENT
<TEXT>
Document 15 - file: FilingSummary.html

Document 15 - RAW XML: FilingSummary.xml

</DOCUMENT>
<DOCUMENT>
<TYPE>JSON
<SEQUENCE>17
<FILENAME>MetaLinks.json
<DESCRIPTION>IDEA: XBRL DOCUMENT
<TEXT>
Document 17 - file: MetaLinks.json

</DOCUMENT>
<DOCUMENT>
<TYPE>ZIP
<SEQUENCE>18
<FILENAME>0001437749-24-012199-xbrl.zip
<DESCRIPTION>IDEA: XBRL DOCUMENT
<TEXT>
Document 18 - file: 0001437749-24-012199-xbrl.zip

</DOCUMENT>
<DOCUMENT>
<TYPE>XML
<SEQUENCE>20
<FILENAME>bfin20231231_10ka_htm.xml
<DESCRIPTION>IDEA: XBRL DOCUMENT
<TEXT>
Document 20 - file: bfin20231231_10ka_htm.html

Document 20 - RAW XML: bfin20231231_10ka_htm.xml

</DOCUMENT>
</SEC-DOCUMENT>