    <SEC-DOCUMENT>0000706129-24-000046-index.html : 20240424
    <SEC-HEADER>0000706129-24-000046.hdr.sgml : 20240424
    <ACCEPTANCE-DATETIME>20240424160708
    ACCESSION NUMBER:		0000706129-24-000046
    CONFORMED SUBMISSION TYPE:	8-K
    PUBLIC DOCUMENT COUNT:		44
    CONFORMED PERIOD OF REPORT:	20240424
    ITEM INFORMATION:		Results of Operations and Financial Condition
    ITEM INFORMATION:		Regulation FD Disclosure
    ITEM INFORMATION:		Financial Statements and Exhibits
    FILED AS OF DATE:		20240424
    DATE AS OF CHANGE:		20240424

    FILER:

    	COMPANY DATA:
    		COMPANY CONFORMED NAME:			HORIZON BANCORP INC /IN/
    		CENTRAL INDEX KEY:			0000706129
    		STANDARD INDUSTRIAL CLASSIFICATION:	STATE COMMERCIAL BANKS [6022]
    		ORGANIZATION NAME:           	02 Finance
    		IRS NUMBER:				351562417
    		STATE OF INCORPORATION:			IN
    		FISCAL YEAR END:			1231

    	FILING VALUES:
    		FORM TYPE:		8-K
    		SEC ACT:		1934 Act
    		SEC FILE NUMBER:	000-10792
    		FILM NUMBER:		24870598

    	BUSINESS ADDRESS:
    		STREET 1:		515 FRANKLIN STREET
    		CITY:			MICHIGAN CITY
    		STATE:			IN
    		ZIP:			46360
    		BUSINESS PHONE:		2198790211

    	MAIL ADDRESS:
    		STREET 1:		515 FRANKLIN STREET
    		CITY:			MICHIGAN CITY
    		STATE:			IN
    		ZIP:			46360

    	FORMER COMPANY:
    		FORMER CONFORMED NAME:	HORIZON BANCORP /IN/
    		DATE OF NAME CHANGE:	19920703

    	FORMER COMPANY:
    		FORMER CONFORMED NAME:	CITIZENS MICHIANA FINANCIAL CORP
    		DATE OF NAME CHANGE:	19861021
    </SEC-HEADER>
    <DOCUMENT>
    <TYPE>8-K
    <SEQUENCE>1
    <FILENAME>hbnc-20240424.htm
    <DESCRIPTION>8-K
    <TEXT>
    Document 1 - file: hbnc-20240424.htm

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>EX-99.1
    <SEQUENCE>2
    <FILENAME>hbnc-20240331earningsrelea.htm
    <DESCRIPTION>EX-99.1
    <TEXT>
    Document 2 - file: hbnc-20240331earningsrelea.htm

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>EX-99.2
    <SEQUENCE>3
    <FILENAME>hbnc-1q24xpresentationxf.htm
    <DESCRIPTION>EX-99.2
    <TEXT>
    Document 3 - file: hbnc-1q24xpresentationxf.htm

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>EX-101.SCH
    <SEQUENCE>4
    <FILENAME>hbnc-20240424.xsd
    <DESCRIPTION>XBRL TAXONOMY EXTENSION SCHEMA DOCUMENT
    <TEXT>
    Document 4 - file: hbnc-20240424.xsd

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>EX-101.LAB
    <SEQUENCE>5
    <FILENAME>hbnc-20240424_lab.xml
    <DESCRIPTION>XBRL TAXONOMY EXTENSION LABEL LINKBASE DOCUMENT
    <TEXT>
    Document 5 - file: hbnc-20240424_lab.xml

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>EX-101.PRE
    <SEQUENCE>6
    <FILENAME>hbnc-20240424_pre.xml
    <DESCRIPTION>XBRL TAXONOMY EXTENSION PRESENTATION LINKBASE DOCUMENT
    <TEXT>
    Document 6 - file: hbnc-20240424_pre.xml

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>7
    <FILENAME>hbnc-1q24xpresentationxf001.jpg
    <TEXT>
    Document 7 - file: hbnc-1q24xpresentationxf001.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>8
    <FILENAME>hbnc-1q24xpresentationxf002.jpg
    <TEXT>
    Document 8 - file: hbnc-1q24xpresentationxf002.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>9
    <FILENAME>hbnc-1q24xpresentationxf003.jpg
    <TEXT>
    Document 9 - file: hbnc-1q24xpresentationxf003.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>10
    <FILENAME>hbnc-1q24xpresentationxf004.jpg
    <TEXT>
    Document 10 - file: hbnc-1q24xpresentationxf004.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>11
    <FILENAME>hbnc-1q24xpresentationxf005.jpg
    <TEXT>
    Document 11 - file: hbnc-1q24xpresentationxf005.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>12
    <FILENAME>hbnc-1q24xpresentationxf006.jpg
    <TEXT>
    Document 12 - file: hbnc-1q24xpresentationxf006.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>13
    <FILENAME>hbnc-1q24xpresentationxf007.jpg
    <TEXT>
    Document 13 - file: hbnc-1q24xpresentationxf007.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>14
    <FILENAME>hbnc-1q24xpresentationxf008.jpg
    <TEXT>
    Document 14 - file: hbnc-1q24xpresentationxf008.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>15
    <FILENAME>hbnc-1q24xpresentationxf009.jpg
    <TEXT>
    Document 15 - file: hbnc-1q24xpresentationxf009.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>16
    <FILENAME>hbnc-1q24xpresentationxf010.jpg
    <TEXT>
    Document 16 - file: hbnc-1q24xpresentationxf010.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>17
    <FILENAME>hbnc-1q24xpresentationxf011.jpg
    <TEXT>
    Document 17 - file: hbnc-1q24xpresentationxf011.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>18
    <FILENAME>hbnc-1q24xpresentationxf012.jpg
    <TEXT>
    Document 18 - file: hbnc-1q24xpresentationxf012.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>19
    <FILENAME>hbnc-1q24xpresentationxf013.jpg
    <TEXT>
    Document 19 - file: hbnc-1q24xpresentationxf013.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>20
    <FILENAME>hbnc-1q24xpresentationxf014.jpg
    <TEXT>
    Document 20 - file: hbnc-1q24xpresentationxf014.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>21
    <FILENAME>hbnc-1q24xpresentationxf015.jpg
    <TEXT>
    Document 21 - file: hbnc-1q24xpresentationxf015.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>22
    <FILENAME>hbnc-1q24xpresentationxf016.jpg
    <TEXT>
    Document 22 - file: hbnc-1q24xpresentationxf016.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>23
    <FILENAME>hbnc-1q24xpresentationxf017.jpg
    <TEXT>
    Document 23 - file: hbnc-1q24xpresentationxf017.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>24
    <FILENAME>hbnc-1q24xpresentationxf018.jpg
    <TEXT>
    Document 24 - file: hbnc-1q24xpresentationxf018.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>25
    <FILENAME>hbnc-1q24xpresentationxf019.jpg
    <TEXT>
    Document 25 - file: hbnc-1q24xpresentationxf019.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>26
    <FILENAME>hbnc-1q24xpresentationxf020.jpg
    <TEXT>
    Document 26 - file: hbnc-1q24xpresentationxf020.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>27
    <FILENAME>hbnc-1q24xpresentationxf021.jpg
    <TEXT>
    Document 27 - file: hbnc-1q24xpresentationxf021.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>28
    <FILENAME>hbnc-1q24xpresentationxf022.jpg
    <TEXT>
    Document 28 - file: hbnc-1q24xpresentationxf022.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>29
    <FILENAME>hbnc-1q24xpresentationxf023.jpg
    <TEXT>
    Document 29 - file: hbnc-1q24xpresentationxf023.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>30
    <FILENAME>hbnc-1q24xpresentationxf024.jpg
    <TEXT>
    Document 30 - file: hbnc-1q24xpresentationxf024.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>31
    <FILENAME>hbnc-1q24xpresentationxf025.jpg
    <TEXT>
    Document 31 - file: hbnc-1q24xpresentationxf025.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>32
    <FILENAME>hbnc-1q24xpresentationxf026.jpg
    <TEXT>
    Document 32 - file: hbnc-1q24xpresentationxf026.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>33
    <FILENAME>hbnc-1q24xpresentationxf027.jpg
    <TEXT>
    Document 33 - file: hbnc-1q24xpresentationxf027.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>34
    <FILENAME>hbnc-1q24xpresentationxf028.jpg
    <TEXT>
    Document 34 - file: hbnc-1q24xpresentationxf028.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>35
    <FILENAME>horizonbancorpinc876_sm-10.jpg
    <TEXT>
    Document 35 - file: horizonbancorpinc876_sm-10.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>XML
    <SEQUENCE>37
    <FILENAME>R1.htm
    <DESCRIPTION>IDEA: XBRL DOCUMENT
    <TEXT>
    Document 37 - file: R1.htm

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>EXCEL
    <SEQUENCE>38
    <FILENAME>Financial_Report.xlsx
    <DESCRIPTION>IDEA: XBRL DOCUMENT
    <TEXT>
    Document 38 - file: Financial_Report.xlsx

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>XML
    <SEQUENCE>39
    <FILENAME>Show.js
    <DESCRIPTION>IDEA: XBRL DOCUMENT
    <TEXT>
    Document 39 - file: Show.js

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>XML
    <SEQUENCE>40
    <FILENAME>report.css
    <DESCRIPTION>IDEA: XBRL DOCUMENT
    <TEXT>
    Document 40 - file: report.css

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>XML
    <SEQUENCE>42
    <FILENAME>FilingSummary.xml
    <DESCRIPTION>IDEA: XBRL DOCUMENT
    <TEXT>
    Document 42 - file: FilingSummary.html

    Document 42 - RAW XML: FilingSummary.xml

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>JSON
    <SEQUENCE>44
    <FILENAME>MetaLinks.json
    <DESCRIPTION>IDEA: XBRL DOCUMENT
    <TEXT>
    Document 44 - file: MetaLinks.json

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>ZIP
    <SEQUENCE>45
    <FILENAME>0000706129-24-000046-xbrl.zip
    <DESCRIPTION>IDEA: XBRL DOCUMENT
    <TEXT>
    Document 45 - file: 0000706129-24-000046-xbrl.zip

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>XML
    <SEQUENCE>47
    <FILENAME>hbnc-20240424_htm.xml
    <DESCRIPTION>IDEA: XBRL DOCUMENT
    <TEXT>
    Document 47 - file: hbnc-20240424_htm.html

    Document 47 - RAW XML: hbnc-20240424_htm.xml

    </DOCUMENT>
    </SEC-DOCUMENT>