<SEC-DOCUMENT>0000719220-22-000053-index.html : 20220728
<SEC-HEADER>0000719220-22-000053.hdr.sgml : 20220728
<ACCEPTANCE-DATETIME>20220728130045
ACCESSION NUMBER:		0000719220-22-000053
CONFORMED SUBMISSION TYPE:	8-K
PUBLIC DOCUMENT COUNT:		38
CONFORMED PERIOD OF REPORT:	20220725
ITEM INFORMATION:		Amendments to Articles of Incorporation or Bylaws; Change in Fiscal Year
ITEM INFORMATION:		Financial Statements and Exhibits
FILED AS OF DATE:		20220728
DATE AS OF CHANGE:		20220728

FILER:

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			S&T BANCORP INC
		CENTRAL INDEX KEY:			0000719220
		STANDARD INDUSTRIAL CLASSIFICATION:	STATE COMMERCIAL BANKS [6022]
		IRS NUMBER:				251434426
		STATE OF INCORPORATION:			PA
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		8-K
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	000-12508
		FILM NUMBER:		221113998

	BUSINESS ADDRESS:	
		STREET 1:		800 PHILADELPHIA STREET
		STREET 2:		PO BOX 190
		CITY:			INDIANA
		STATE:			PA
		ZIP:			15701
		BUSINESS PHONE:		724-427-2347

	MAIL ADDRESS:	
		STREET 1:		800 PHILADELPHIA STREET
		STREET 2:		PO BOX 190
		CITY:			INDIANA
		STATE:			PA
		ZIP:			15701
</SEC-HEADER>
<DOCUMENT>
<TYPE>8-K
<SEQUENCE>1
<FILENAME>stba-20220725.htm
<DESCRIPTION>8-K
<TEXT>
Document 1 - file: stba-20220725.htm
</DOCUMENT> <DOCUMENT> <TYPE>EX-3.1 <SEQUENCE>2 <FILENAME>exhibit3.htm <DESCRIPTION>EX-3.1 <TEXT> Document 2 - file: exhibit3.htm
</DOCUMENT> <DOCUMENT> <TYPE>EX-101.SCH <SEQUENCE>3 <FILENAME>stba-20220725.xsd <DESCRIPTION>XBRL TAXONOMY EXTENSION SCHEMA DOCUMENT <TEXT> Document 3 - file: stba-20220725.xsd
</DOCUMENT> <DOCUMENT> <TYPE>EX-101.LAB <SEQUENCE>4 <FILENAME>stba-20220725_lab.xml <DESCRIPTION>XBRL TAXONOMY EXTENSION LABEL LINKBASE DOCUMENT <TEXT> Document 4 - file: stba-20220725_lab.xml
</DOCUMENT> <DOCUMENT> <TYPE>EX-101.PRE <SEQUENCE>5 <FILENAME>stba-20220725_pre.xml <DESCRIPTION>XBRL TAXONOMY EXTENSION PRESENTATION LINKBASE DOCUMENT <TEXT> Document 5 - file: stba-20220725_pre.xml
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>6 <FILENAME>exhibit3001.jpg <TEXT> Document 6 - file: exhibit3001.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>7 <FILENAME>exhibit3002.jpg <TEXT> Document 7 - file: exhibit3002.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>8 <FILENAME>exhibit3003.jpg <TEXT> Document 8 - file: exhibit3003.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>9 <FILENAME>exhibit3004.jpg <TEXT> Document 9 - file: exhibit3004.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>10 <FILENAME>exhibit3005.jpg <TEXT> Document 10 - file: exhibit3005.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>11 <FILENAME>exhibit3006.jpg <TEXT> Document 11 - file: exhibit3006.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>12 <FILENAME>exhibit3007.jpg <TEXT> Document 12 - file: exhibit3007.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>13 <FILENAME>exhibit3008.jpg <TEXT> Document 13 - file: exhibit3008.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>14 <FILENAME>exhibit3009.jpg <TEXT> Document 14 - file: exhibit3009.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>15 <FILENAME>exhibit3010.jpg <TEXT> Document 15 - file: exhibit3010.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>16 <FILENAME>exhibit3011.jpg <TEXT> Document 16 - file: exhibit3011.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>17 <FILENAME>exhibit3012.jpg <TEXT> Document 17 - file: exhibit3012.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>18 <FILENAME>exhibit3013.jpg <TEXT> Document 18 - file: exhibit3013.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>19 <FILENAME>exhibit3014.jpg <TEXT> Document 19 - file: exhibit3014.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>20 <FILENAME>exhibit3015.jpg <TEXT> Document 20 - file: exhibit3015.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>21 <FILENAME>exhibit3016.jpg <TEXT> Document 21 - file: exhibit3016.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>22 <FILENAME>exhibit3017.jpg <TEXT> Document 22 - file: exhibit3017.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>23 <FILENAME>exhibit3018.jpg <TEXT> Document 23 - file: exhibit3018.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>24 <FILENAME>exhibit3019.jpg <TEXT> Document 24 - file: exhibit3019.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>25 <FILENAME>exhibit3020.jpg <TEXT> Document 25 - file: exhibit3020.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>26 <FILENAME>exhibit3021.jpg <TEXT> Document 26 - file: exhibit3021.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>27 <FILENAME>exhibit3022.jpg <TEXT> Document 27 - file: exhibit3022.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>28 <FILENAME>exhibit3023.jpg <TEXT> Document 28 - file: exhibit3023.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>29 <FILENAME>exhibit3024.jpg <TEXT> Document 29 - file: exhibit3024.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>30 <FILENAME>exhibit3025.jpg <TEXT> Document 30 - file: exhibit3025.jpg
</DOCUMENT> <DOCUMENT> <TYPE>XML <SEQUENCE>31 <FILENAME>R1.htm <DESCRIPTION>IDEA: XBRL DOCUMENT <TEXT> Document 31 - file: R1.htm
</DOCUMENT> <DOCUMENT> <TYPE>XML <SEQUENCE>32 <FILENAME>stba-20220725_htm.xml <DESCRIPTION>IDEA: XBRL DOCUMENT <TEXT> Document 32 - file: stba-20220725_htm.html
Document 32 - RAW XML: stba-20220725_htm.xml
</DOCUMENT> <DOCUMENT> <TYPE>EXCEL <SEQUENCE>33 <FILENAME>Financial_Report.xlsx <DESCRIPTION>IDEA: XBRL DOCUMENT <TEXT> Document 33 - file: Financial_Report.xlsx
</DOCUMENT> <DOCUMENT> <TYPE>XML <SEQUENCE>34 <FILENAME>Show.js <DESCRIPTION>IDEA: XBRL DOCUMENT <TEXT> Document 34 - file: Show.js
</DOCUMENT> <DOCUMENT> <TYPE>XML <SEQUENCE>35 <FILENAME>report.css <DESCRIPTION>IDEA: XBRL DOCUMENT <TEXT> Document 35 - file: report.css
</DOCUMENT> <DOCUMENT> <TYPE>XML <SEQUENCE>36 <FILENAME>FilingSummary.xml <DESCRIPTION>IDEA: XBRL DOCUMENT <TEXT> Document 36 - file: FilingSummary.html
Document 36 - RAW XML: FilingSummary.xml
</DOCUMENT> <DOCUMENT> <TYPE>JSON <SEQUENCE>38 <FILENAME>MetaLinks.json <DESCRIPTION>IDEA: XBRL DOCUMENT <TEXT> Document 38 - file: MetaLinks.json
</DOCUMENT> <DOCUMENT> <TYPE>ZIP <SEQUENCE>39 <FILENAME>0000719220-22-000053-xbrl.zip <DESCRIPTION>IDEA: XBRL DOCUMENT <TEXT> Document 39 - file: 0000719220-22-000053-xbrl.zip
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