Cover Page - USD ($)	12 Months Ended
	Mar. 31, 2022	Jun. 01, 2022	Sep. 30, 2021
Cover [Abstract]
Document Type	10-K
Document Annual Report	true
Document Period End Date	Mar. 31, 2022
Document Transition Report	false
Entity File Number	001-31321
Entity Registrant Name	NAUTILUS, INC.
Entity Incorporation, State or Country Code	WA
Entity Tax Identification Number	94-3002667
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
Title of 12(b) Security	Common Stock, no par value
Trading Symbol	NLS
Security Exchange Name	NYSE
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	false
Entity Emerging Growth Company	false
Entity Shell Company	false
ICFR Auditor Attestation Flag	true
Entity Public Float			$ 278,860,456
Entity Common Stock, Shares Outstanding		31,467,688
Entity Central Index Key	0001078207
Current Fiscal Year End Date	--03-31
Document Fiscal Period Focus	FY
Document Fiscal Year Focus	2022
Amendment Flag	false
Documents Incorporated by Reference	The registrant has incorporated by reference into Part III of this Form 10-K portions of its Proxy Statement for its 2022 Annual Meeting of Shareholders, which will be filed within 120 days after the end of the fiscal year covered by this Form 10-K. Except with respect to information specifically incorporated by reference in this Form 10-K, the Proxy Statement shall not be deemed to be filed as part hereof.