Debt and Other Financing Arrangements - Summary of Future Aggregate Maturities of Notes Payable (Details) $ in Thousands	Dec. 31, 2024 USD ($)
Debt Disclosure [Abstract]
2025	$ 1,103
2026	3,146
2027	3,551
2028	373
Total	$ 8,173

Long-Term Debt, Future Aggregate Maturity, After Year Three

No definition available.

Name:	owlt_LongTermDebtFutureAggregateMaturityAfterYearThree
Namespace Prefix:	owlt_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant