Debt and Other Financing Arrangements - Summary of Future Aggregate Maturities of Notes Payable (Details) $ in Thousands	Dec. 31, 2025 USD ($)
Debt Disclosure [Abstract]
2026	$ 3,635
2027	3,550
2028	565
Total	$ 7,750

Long-Term Debt, Future Aggregate Maturity, Year Three

No definition available.

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