Cover Page - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2021	Mar. 16, 2022	Jun. 30, 2021
Document Information [Line Items]
Document Type	10-K
Document Annual Report	true
Document Period End Date	Dec. 31, 2021
Document Transition Report	false
Entity File Number	001-39516
Entity Registrant Name	Owlet, Inc.
Entity Incorporation, State or Country Code	DE
Entity Tax Identification Number	85-1615012
Entity Address, Address Line One	2500 Executive Parkway
Entity Address, Address Line Two	Ste. 500
Entity Address, City or Town	Lehi
Entity Address, State or Province	UT
Entity Address, Postal Zip Code	84043
City Area Code	844
Local Phone Number	334-5330
Entity Filer Category	Non-accelerated Filer
Entity Emerging Growth Company	true
Entity Small Business	true
Entity Ex Transition Period	false
ICFR Auditor Attestation Flag	false
Entity Shell Company	false
Entity Public Float			$ 229.5
Entity Common Stock, Shares Outstanding		113,067,484
Amendment Flag	false
Entity Central Index Key	0001816708
Document Fiscal Year Focus	2021
Document Fiscal Period Focus	FY
Current Fiscal Year End Date	--12-31
Entity Well-known Seasoned Issuer	No
Entity Voluntary Filers	No
Entity Current Reporting Status	Yes
Entity Interactive Data Current	Yes
Common Stock
Document Information [Line Items]
Title of 12(b) Security	Common stock, $0.0001 par value per share
Trading Symbol	OWLT
Security Exchange Name	NYSE
Warrants
Document Information [Line Items]
Title of 12(b) Security	Warrants to purchase common stock
Trading Symbol	OWLT WS
Security Exchange Name	NYSE