Fair Value Measurements - Additional Information (Details) $ in Thousands		2 Months Ended	3 Months Ended		9 Months Ended
	Oct. 10, 2025 USD ($)	Sep. 11, 2024 USD ($) $ / shares shares	Sep. 30, 2025 USD ($) $ / shares shares	Sep. 30, 2024 USD ($)	Sep. 30, 2024 USD ($)	Aug. 07, 2025 shares	Dec. 31, 2024 USD ($) $ / shares shares
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Warrants outstanding (in shares) | shares			7,095,920				11,099,708
Common stock warrant liabilities			$ 47,386				$ 25,343
Fair value of warrants			47,386				25,343
Valuation Technique, Black-Scholes-Merton Model | OWLT stock price (in dollars per share)
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Fair value measurement input						7.26
Subsequent Event
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Decrease in common stock warrant liabilities	$ 46,884
Level 3
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Fair value of warrants			$ 47,386				$ 25,343
Titan Warrants
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Warrants outstanding (in shares) | shares		125,405	100,324				125,405
Fair value of warrants		$ 382
Titan Warrants | OWLT stock price (in dollars per share)
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Fair value measurement input		4.35
Series A Warrants
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Number of securities called by warrants (in shares) | shares			7,215,737			7,215,737
Shares issuable (in shares) | shares			265,597
Percentage of voting shares contractually obligated			0.44
Warrants outstanding (in shares) | shares			4,678,527				7,871,712
Common stock warrant liabilities			$ 38,802
Decrease in common stock warrant liabilities			2,824
Fair value of warrants			$ 38,802				$ 20,750
Series A Warrants | OWLT stock price (in dollars per share)
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Fair value measurement input | $ / shares			8.47				4.45
Series A Warrants | Valuation Technique, Black-Scholes-Merton Model
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Shares issuable (in shares) | shares			4,412,930			4,412,930
Series A Warrants | Level 3
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Fair value of warrants			$ 38,802				$ 20,750
Series B Warrants
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Number of securities called by warrants (in shares) | shares						1,799,021
Probability of the Exchange Agreement being approved			1
Warrants outstanding (in shares) | shares			1,013,499				1,799,021
Common stock warrant liabilities			$ 8,584
Decrease in common stock warrant liabilities			1,442
Fair value of warrants			$ 8,584				$ 4,586
Series B Warrants | OWLT stock price (in dollars per share)
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Fair value measurement input			8.47				4.45
Series B Warrants | Valuation Technique, Black-Scholes-Merton Model
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Shares issuable (in shares) | shares			1,013,499			1,013,499
Series B Warrants | Level 3
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Fair value of warrants			$ 8,584				$ 4,586
Redeemable Common Stock
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Stock issued during period, price per share (in dollars per share) | $ / shares		$ 7.66
Issuance of convertible preferred stock		$ 4,308		$ 4,308	$ 4,308