    <SEC-DOCUMENT>0000717538-21-000082-index.html : 20210326
    <SEC-HEADER>0000717538-21-000082.hdr.sgml : 20210326
    <ACCEPTANCE-DATETIME>20210326100409
    ACCESSION NUMBER:		0000717538-21-000082
    CONFORMED SUBMISSION TYPE:	DEFA14A
    PUBLIC DOCUMENT COUNT:		3
    FILED AS OF DATE:		20210326
    DATE AS OF CHANGE:		20210326

    FILER:

    	COMPANY DATA:
    		COMPANY CONFORMED NAME:			ARROW FINANCIAL CORP
    		CENTRAL INDEX KEY:			0000717538
    		STANDARD INDUSTRIAL CLASSIFICATION:	NATIONAL COMMERCIAL BANKS [6021]
    		IRS NUMBER:				222448962
    		STATE OF INCORPORATION:			NY
    		FISCAL YEAR END:			1231

    	FILING VALUES:
    		FORM TYPE:		DEFA14A
    		SEC ACT:		1934 Act
    		SEC FILE NUMBER:	000-12507
    		FILM NUMBER:		21775299

    	BUSINESS ADDRESS:
    		STREET 1:		250 GLEN ST
    		CITY:			GLENS FALLS
    		STATE:			NY
    		ZIP:			12801
    		BUSINESS PHONE:		5184154299

    	MAIL ADDRESS:
    		STREET 1:		250 GLEN STREET
    		CITY:			GLENS FALLS
    		STATE:			NY
    		ZIP:			12801

    	FORMER COMPANY:
    		FORMER CONFORMED NAME:	ARROW BANK CORP
    		DATE OF NAME CHANGE:	19900710
    </SEC-HEADER>
    <DOCUMENT>
    <TYPE>DEFA14A
    <SEQUENCE>1
    <FILENAME>proxynotice2021.htm
    <DESCRIPTION>DEFA14A
    <TEXT>
    Document 1 - file: proxynotice2021.htm

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>2
    <FILENAME>final_afcinternetnoticexbr.jpg
    <TEXT>
    Document 2 - file: final_afcinternetnoticexbr.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>3
    <FILENAME>final_afcinternetnoticexbra.jpg
    <TEXT>
    Document 3 - file: final_afcinternetnoticexbra.jpg

    </DOCUMENT>
    </SEC-DOCUMENT>