Document and Entity Information - USD ($)	12 Months Ended
	Dec. 31, 2022	Feb. 24, 2023	Jun. 30, 2021
Cover [Abstract]
Document Type	10-K
Document Annual Report	true
Document Period End Date	Dec. 31, 2022
Document Transition Report	false
Entity File Number	1-13429
Entity Registrant Name	Simpson Manufacturing Co., Inc.
Entity Incorporation, State or Country Code	DE
Entity Tax Identification Number	94-3196943
Entity Address, Address	5956 W. Las Positas Blvd
Entity Address, City or Town	Pleasanton
Entity Address, State or Province	CA
Entity Address, Postal Zip Code	94588
City Area Code	925
Local Phone Number	560-9000
Title of 12(b) Security	Common Stock, par value $0.01
Trading Symbol	SSD
Security Exchange Name	NYSE
Entity Well-known Seasoned Issuer	Yes
Entity Voluntary Filers	No
Entity Current Reporting Status	Yes
Entity Interactive Data Current	Yes
Entity Filer Category	Large Accelerated Filer
Entity Small Business	false
Entity Emerging Growth Company	false
Entity Shell Company	false
Entity Public Float			$ 4,342,946,050
Entity Common Stock, Shares Outstanding		42,662,967
Entity Central Index Key	0000920371
Amendment Flag	false
Current Fiscal Year End Date	--12-31
Document Fiscal Year Focus	2022
Document Fiscal Period Focus	FY
ICFR Auditor Attestation Flag	true
Documents Incorporated by Reference	Portions of the registrant's definitive Proxy Statement for its 2023 annual meeting of stockholders (the "2023 Annual Meeting") are incorporated herein by reference in Part III of this Annual Report on Form 10-K to the extent stated herein. Such Proxy Statement will be filed with the Securities and Exchange Commission (the "SEC") within 120 days of the registrant's fiscal year ended December 31, 2022.