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Cover - USD ($)
12 Months Ended
Dec. 31, 2021
Mar. 07, 2022
Jun. 30, 2021
Cover [Abstract]      
Document Type 10-K    
Amendment Flag false    
Document Fiscal Year Focus 2021    
Document Fiscal Period Focus FY    
Entity Central Index Key 0001637761    
Entity Public Float     $ 603,380,737
Document Period End Date Dec. 31, 2021    
Entity File Number 001-36905    
Entity Registrant Name SeaSpine Holdings Corporation    
Entity Incorporation, State or Country Code DE    
Entity Tax Identification Number 47-3251758    
Entity Address, Address Line One 5770 Armada Drive    
Entity Address, City or Town Carlsbad    
Entity Address, State or Province CA    
Entity Address, Postal Zip Code 92008    
Entity Address, Country US    
City Area Code 760    
Local Phone Number 727-8399    
Title of 12(b) Security Common Stock    
Trading Symbol SPNE    
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    
Entity Shell Company false    
Entity Common Stock, Shares Outstanding   36,791,003  
Document Transition Report false    
Document Annual Report true    
ICFR Auditor Attestation Flag true    
Current Fiscal Year End Date --12-31