Annual report pursuant to Section 13 and 15(d)

Cover Page

v3.20.4
Cover Page - USD ($)
12 Months Ended
Dec. 31, 2020
Feb. 12, 2021
Jun. 30, 2020
Cover [Abstract]      
Document Type 10-K    
Document Annual Report true    
Document Period End Date Dec. 31, 2020    
Document Transition Report false    
Entity File Number 000-23939    
Entity Registrant Name COLUMBIA SPORTSWEAR COMPANY    
Entity Incorporation, State or Country Code OR    
Entity Tax Identification Number 93-0498284    
Entity Address, Address Line One 14375 Northwest Science Park Drive    
Entity Address, City or Town Portland    
Entity Address, State or Province OR    
Entity Address, Postal Zip Code 97229    
City Area Code (503)    
Local Phone Number 985-4000    
Title of 12(b) Security Common Stock    
Trading Symbol COLM    
Security Exchange Name NASDAQ    
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    
ICFR Auditor Attestation Flag true    
Entity Shell Company false    
Entity Public Float     $ 2,132,099,822
Entity Common Stock, Shares Outstanding   66,386,106  
Documents Incorporated by Reference Portions of the registrant's proxy statement related to its 2021 Annual Shareholders' Meeting to be filed subsequently are incorporated by reference into Part III of this Annual Report on Form 10-K. Except as expressly incorporated by reference, the registrant's proxy statement related to its 2021 Annual Shareholders' Meeting shall not be deemed to be part of this report.    
Amendment Flag false    
Document Fiscal Year Focus 2020    
Document Fiscal Period Focus FY    
Entity Central Index Key 0001050797    
Current Fiscal Year End Date --12-31