    <SEC-DOCUMENT>0000918541-25-000050-index.html : 20250417
    <SEC-HEADER>0000918541-25-000050.hdr.sgml : 20250417
    <ACCEPTANCE-DATETIME>20250417082453
    ACCESSION NUMBER:		0000918541-25-000050
    CONFORMED SUBMISSION TYPE:	8-K
    PUBLIC DOCUMENT COUNT:		19
    CONFORMED PERIOD OF REPORT:	20250416
    ITEM INFORMATION:		Entry into a Material Definitive Agreement
    ITEM INFORMATION:		Termination of a Material Definitive Agreement
    ITEM INFORMATION:		Creation of a Direct Financial Obligation or an Obligation under an Off-Balance Sheet Arrangement of a Registrant
    ITEM INFORMATION:		Regulation FD Disclosure
    ITEM INFORMATION:		Financial Statements and Exhibits
    FILED AS OF DATE:		20250417
    DATE AS OF CHANGE:		20250417

    FILER:

    	COMPANY DATA:
    		COMPANY CONFORMED NAME:			NN INC
    		CENTRAL INDEX KEY:			0000918541
    		STANDARD INDUSTRIAL CLASSIFICATION:	METALWORKING MACHINERY & EQUIPMENT [3540]
    		ORGANIZATION NAME:           	06 Technology
    		EIN:				621096725
    		STATE OF INCORPORATION:			DE
    		FISCAL YEAR END:			1231

    	FILING VALUES:
    		FORM TYPE:		8-K
    		SEC ACT:		1934 Act
    		SEC FILE NUMBER:	001-39268
    		FILM NUMBER:		25844366

    	BUSINESS ADDRESS:
    		STREET 1:		6210 ARDREY KELL ROAD
    		STREET 2:		SUITE 120
    		CITY:			CHARLOTTE
    		STATE:			NC
    		ZIP:			28277
    		BUSINESS PHONE:		980-264-4300

    	MAIL ADDRESS:
    		STREET 1:		6210 ARDREY KELL ROAD
    		STREET 2:		SUITE 120
    		CITY:			CHARLOTTE
    		STATE:			NC
    		ZIP:			28277

    	FORMER COMPANY:
    		FORMER CONFORMED NAME:	NN BALL & ROLLER INC
    		DATE OF NAME CHANGE:	19940203
    </SEC-HEADER>
    <DOCUMENT>
    <TYPE>8-K
    <SEQUENCE>1
    <FILENAME>nnbr-20250416.htm
    <DESCRIPTION>FORM 8-K
    <TEXT>
    Document 1 - file: nnbr-20250416.htm

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>EX-10.1
    <SEQUENCE>2
    <FILENAME>exhibit101termloanagreemen.htm
    <DESCRIPTION>EX-10.1 TERM LOAN
    <TEXT>
    Document 2 - file: exhibit101termloanagreemen.htm

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>EX-10.2
    <SEQUENCE>3
    <FILENAME>exhibit102ablagreementamen.htm
    <DESCRIPTION>EX-10.2 ABL AMENDMENT
    <TEXT>
    Document 3 - file: exhibit102ablagreementamen.htm

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>EX-99.1
    <SEQUENCE>4
    <FILENAME>exhibit991pressrelease2025.htm
    <DESCRIPTION>EX-99.1 PRESS RELEASE
    <TEXT>
    Document 4 - file: exhibit991pressrelease2025.htm

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>EX-101.SCH
    <SEQUENCE>5
    <FILENAME>nnbr-20250416.xsd
    <DESCRIPTION>XBRL TAXONOMY EXTENSION SCHEMA DOCUMENT
    <TEXT>
    Document 5 - file: nnbr-20250416.xsd

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>EX-101.LAB
    <SEQUENCE>6
    <FILENAME>nnbr-20250416_lab.xml
    <DESCRIPTION>XBRL TAXONOMY EXTENSION LABEL LINKBASE DOCUMENT
    <TEXT>
    Document 6 - file: nnbr-20250416_lab.xml

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>EX-101.PRE
    <SEQUENCE>7
    <FILENAME>nnbr-20250416_pre.xml
    <DESCRIPTION>XBRL TAXONOMY EXTENSION PRESENTATION LINKBASE DOCUMENT
    <TEXT>
    Document 7 - file: nnbr-20250416_pre.xml

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>8
    <FILENAME>image_0.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 8 - file: image_0.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>9
    <FILENAME>nnbr-20250416_g1.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 9 - file: nnbr-20250416_g1.jpg

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

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>XML
    <SEQUENCE>12
    <FILENAME>R1.htm
    <DESCRIPTION>IDEA: XBRL DOCUMENT
    <TEXT>
    Document 12 - file: R1.htm

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>EXCEL
    <SEQUENCE>13
    <FILENAME>Financial_Report.xlsx
    <DESCRIPTION>IDEA: XBRL DOCUMENT
    <TEXT>
    Document 13 - file: Financial_Report.xlsx

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>XML
    <SEQUENCE>14
    <FILENAME>Show.js
    <DESCRIPTION>IDEA: XBRL DOCUMENT
    <TEXT>
    Document 14 - file: Show.js

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>XML
    <SEQUENCE>15
    <FILENAME>report.css
    <DESCRIPTION>IDEA: XBRL DOCUMENT
    <TEXT>
    Document 15 - file: report.css

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>XML
    <SEQUENCE>17
    <FILENAME>FilingSummary.xml
    <DESCRIPTION>IDEA: XBRL DOCUMENT
    <TEXT>
    Document 17 - file: FilingSummary.html

    Document 17 - RAW XML: FilingSummary.xml

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>JSON
    <SEQUENCE>20
    <FILENAME>MetaLinks.json
    <DESCRIPTION>IDEA: XBRL DOCUMENT
    <TEXT>
    Document 20 - file: MetaLinks.json

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>ZIP
    <SEQUENCE>21
    <FILENAME>0000918541-25-000050-xbrl.zip
    <DESCRIPTION>IDEA: XBRL DOCUMENT
    <TEXT>
    Document 21 - file: 0000918541-25-000050-xbrl.zip

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>XML
    <SEQUENCE>22
    <FILENAME>nnbr-20250416_htm.xml
    <DESCRIPTION>IDEA: XBRL DOCUMENT
    <TEXT>
    Document 22 - file: nnbr-20250416_htm.html

    Document 22 - RAW XML: nnbr-20250416_htm.xml

    </DOCUMENT>
    </SEC-DOCUMENT>