Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

No definition available.

+ Details

Name:	us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisValuationTechniquesLineItems
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Definition

Value of input used to measure outstanding warrant and right embodying unconditional obligation requiring redemption by transferring asset at specified or determinable date or upon event certain to occur.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 820
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 2
-Subparagraph (bbb)(2)
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147482106/820-10-50-2

+ Details

Name:	us-gaap_WarrantsAndRightsOutstandingMeasurementInput
Namespace Prefix:	us-gaap_
Data Type:	xbrli:decimalItemType
Balance Type:	na
Period Type:	instant

- Definition

Period between issuance and expiration of outstanding warrant and right embodying unconditional obligation requiring redemption by transferring asset at specified or determinable date or upon event certain to occur, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 820
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 2
-Subparagraph (bbb)(2)
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147482106/820-10-50-2

+ Details

Name:	us-gaap_WarrantsAndRightsOutstandingTerm
Namespace Prefix:	us-gaap_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	instant

- Details

Name:	us-gaap_MeasurementInputTypeAxis=us-gaap_MeasurementInputSharePriceMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_ClassOfWarrantOrRightAxis=owlt_SBGPublicWarrantsMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_ClassOfWarrantOrRightAxis=owlt_February2023WarrantsMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_ClassOfWarrantOrRightAxis=owlt_SVBWarrantsMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_MeasurementInputTypeAxis=us-gaap_MeasurementInputExercisePriceMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_MeasurementInputTypeAxis=us-gaap_MeasurementInputExpectedTermMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_MeasurementInputTypeAxis=us-gaap_MeasurementInputRiskFreeInterestRateMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_MeasurementInputTypeAxis=us-gaap_MeasurementInputPriceVolatilityMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

Fair Value Measurements - Schedule of Black-Scholes Option Pricing Model Assumptions (Details)	Sep. 30, 2023	Mar. 27, 2023	Feb. 17, 2023
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Expiration period of warrants	5 years
OWLT stock price \| SBG Public Warrants
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Fair value measurement input	4.48
OWLT stock price \| February 2023 Warrants
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Fair value measurement input	4.48		4.78
OWLT stock price \| SVB Warrants
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Fair value measurement input		4.62
Exercise price of warrants \| SBG Public Warrants
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Fair value measurement input	161.00
Exercise price of warrants \| February 2023 Warrants
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Fair value measurement input	4.66		4.66
Exercise price of warrants \| SVB Warrants
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Fair value measurement input		5.32
Term in years \| SBG Public Warrants
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Expiration period of warrants	2 years 9 months 14 days
Term in years \| February 2023 Warrants
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Expiration period of warrants	4 years 4 months 17 days		5 years
Term in years \| SVB Warrants
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Expiration period of warrants		12 years
Risk-free interest rate \| SBG Public Warrants
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Fair value measurement input	0.0485
Risk-free interest rate \| February 2023 Warrants
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Fair value measurement input	0.0466		0.0410
Risk-free interest rate \| SVB Warrants
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Fair value measurement input		0.0360
Volatility \| SBG Public Warrants
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Fair value measurement input	0.9000
Volatility \| February 2023 Warrants
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Fair value measurement input	0.9000		0.8500
Volatility \| SVB Warrants
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Fair value measurement input		0.8500