v3.19.3
Cover Page - shares
9 Months Ended
Sep. 30, 2019
Oct. 31, 2019
Cover page.    
Title of 12(b) Security  Common Stock, no par value  
Entity Incorporation, State or Country Code WA  
Entity Tax Identification Number 94-3002667  
Document Transition Report false  
Document Quarterly Report true  
Entity File Number 001-31321  
Entity Registrant Name NAUTILUS, INC.  
Entity Central Index Key 0001078207  
Current Fiscal Year End Date --12-31  
Entity Filer Category Accelerated Filer  
Document Type 10-Q  
Document Period End Date Sep. 30, 2019  
Document Fiscal Year Focus 2019  
Document Fiscal Period Focus Q3  
Amendment Flag false  
Entity Emerging Growth Company false  
Entity Small Business true  
Entity Shell Company false  
Entity Common Stock, Shares Outstanding   29,728,321
Entity Address, Address Line One 17750 S.E. 6th Way  
Entity Address, City or Town Vancouver  
Entity Address, State or Province WA  
Entity Address, Postal Zip Code 98683  
City Area Code 360  
Local Phone Number 859-2900  
Trading Symbol NLS  
Security Exchange Name NYSE  
Entity Current Reporting Status Yes  
Entity Interactive Data Current Yes