Cover - USD ($)	12 Months Ended
	Dec. 31, 2023	Feb. 29, 2024	Jun. 30, 2023
Cover [Abstract]
Document Type	10-K
Document Annual Report	true
Document Period End Date	Dec. 31, 2023
Current Fiscal Year End Date	--12-31
Document Transition Report	false
Entity File Number	0-10546
Entity Registrant Name	DISTRIBUTION SOLUTIONS GROUP, INC.
Entity Incorporation, State or Country Code	DE
Entity Tax Identification Number	36-2229304
Entity Address, Address Line One	301 Commerce Street,
Entity Address, Address Line Two	Suite 1700
Entity Address, City or Town	Fort Worth
Entity Address, State or Province	TX
Entity Address, Postal Zip Code	76102
City Area Code	888
Local Phone Number	611-9888
Title of 12(b) Security	Common Stock, $1.00 par value
Trading Symbol	DSGR
Security Exchange Name	NASDAQ
Entity Well-known Seasoned Issuer	No
Entity Voluntary Filers	No
Entity Current Reporting Status	Yes
Entity Interactive Data Current	Yes
Entity Filer Category	Accelerated Filer
Entity Small Business	true
Entity Emerging Growth Company	false
ICFR Auditor Attestation Flag	true
Document Financial Statement Error Correction	false
Entity Shell Company	false
Entity Public Float			$ 254,225,483
Entity Common Stock, Shares Outstanding		46,783,333
Documents Incorporated by Reference	Part III of this Annual Report on Form 10-K incorporates by reference some portions of the registrant’s definitive proxy statement related to its 2024 Annual Stockholders’ Meeting, to be filed with the Securities and Exchange Commission within 120 days after the close of the fiscal year. Except as expressly incorporated by reference, the registrant's definitive proxy statement shall not be deemed to be part of this report.
Entity Central Index Key	0000703604
Amendment Flag	false
Document Fiscal Year Focus	2023
Document Fiscal Period Focus	FY