    <SEC-DOCUMENT>0000093389-25-000003-index.html : 20250117
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    <ACCEPTANCE-DATETIME>20250117142936
    ACCESSION NUMBER:		0000093389-25-000003
    CONFORMED SUBMISSION TYPE:	8-K/A
    PUBLIC DOCUMENT COUNT:		17
    CONFORMED PERIOD OF REPORT:	20241101
    ITEM INFORMATION:		Financial Statements and Exhibits
    FILED AS OF DATE:		20250117
    DATE AS OF CHANGE:		20250117

    FILER:

    	COMPANY DATA:
    		COMPANY CONFORMED NAME:			STANDARD MOTOR PRODUCTS, INC.
    		CENTRAL INDEX KEY:			0000093389
    		STANDARD INDUSTRIAL CLASSIFICATION:	MOTOR VEHICLE PARTS & ACCESSORIES [3714]
    		ORGANIZATION NAME:           	04 Manufacturing
    		IRS NUMBER:				111362020
    		STATE OF INCORPORATION:			NY
    		FISCAL YEAR END:			1231

    	FILING VALUES:
    		FORM TYPE:		8-K/A
    		SEC ACT:		1934 Act
    		SEC FILE NUMBER:	001-04743
    		FILM NUMBER:		25538188

    	BUSINESS ADDRESS:
    		STREET 1:		37-18 NORTHERN BLVD.
    		CITY:			LONG ISLAND CITY
    		STATE:			NY
    		ZIP:			11101
    		BUSINESS PHONE:		718-392-0200

    	MAIL ADDRESS:
    		STREET 1:		37-18 NORTHERN BLVD.
    		CITY:			LONG ISLAND CITY
    		STATE:			NY
    		ZIP:			11101

    	FORMER COMPANY:
    		FORMER CONFORMED NAME:	STANDARD MOTOR PRODUCTS INC
    		DATE OF NAME CHANGE:	19920703
    </SEC-HEADER>
    <DOCUMENT>
    <TYPE>8-K/A
    <SEQUENCE>1
    <FILENAME>smp-20241101.htm
    <DESCRIPTION>8-K
    <TEXT>
    Document 1 - file: smp-20241101.htm

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    <SEQUENCE>2
    <FILENAME>ex-231xconsentofindependen.htm
    <DESCRIPTION>EX-23.1
    <TEXT>
    Document 2 - file: ex-231xconsentofindependen.htm

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    <TYPE>EX-99.1
    <SEQUENCE>3
    <FILENAME>ex-991xsmpnissensiiiapshis.htm
    <DESCRIPTION>EX-99.1
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    Document 3 - file: ex-991xsmpnissensiiiapshis.htm

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    <SEQUENCE>4
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    <DESCRIPTION>EX-99.2
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    <DOCUMENT>
    <TYPE>EX-101.SCH
    <SEQUENCE>5
    <FILENAME>smp-20241101.xsd
    <DESCRIPTION>XBRL TAXONOMY EXTENSION SCHEMA DOCUMENT
    <TEXT>
    Document 5 - file: smp-20241101.xsd

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    <DOCUMENT>
    <TYPE>EX-101.LAB
    <SEQUENCE>6
    <FILENAME>smp-20241101_lab.xml
    <DESCRIPTION>XBRL TAXONOMY EXTENSION LABEL LINKBASE DOCUMENT
    <TEXT>
    Document 6 - file: smp-20241101_lab.xml

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    <TYPE>EX-101.PRE
    <SEQUENCE>7
    <FILENAME>smp-20241101_pre.xml
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    <TEXT>
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    <FILENAME>R1.htm
    <DESCRIPTION>IDEA: XBRL DOCUMENT
    <TEXT>
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    <DOCUMENT>
    <TYPE>EXCEL
    <SEQUENCE>11
    <FILENAME>Financial_Report.xlsx
    <DESCRIPTION>IDEA: XBRL DOCUMENT
    <TEXT>
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    <DOCUMENT>
    <TYPE>XML
    <SEQUENCE>12
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    <TEXT>
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    <TYPE>XML
    <SEQUENCE>13
    <FILENAME>report.css
    <DESCRIPTION>IDEA: XBRL DOCUMENT
    <TEXT>
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    <DOCUMENT>
    <TYPE>XML
    <SEQUENCE>15
    <FILENAME>FilingSummary.xml
    <DESCRIPTION>IDEA: XBRL DOCUMENT
    <TEXT>
    Document 15 - file: FilingSummary.html

    Document 15 - RAW XML: FilingSummary.xml

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    <TYPE>JSON
    <SEQUENCE>17
    <FILENAME>MetaLinks.json
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    <TYPE>ZIP
    <SEQUENCE>18
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    <TEXT>
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    <DOCUMENT>
    <TYPE>XML
    <SEQUENCE>19
    <FILENAME>smp-20241101_htm.xml
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    <TEXT>
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