Financing Arrangements - Summary of Fair Value of Safe Notes (Details) - USD ($) $ in Thousands	Sep. 30, 2023	Dec. 31, 2022
Debt Instrument [Line Items]
Fair value of SAFE notes	$ 27	$ 24,714
Less: SAFE notes at fair value, current	(2,942)
SAFE Notes
Debt Instrument [Line Items]
Fair value of SAFE notes		24,565
Less: SAFE notes at fair value, current	(27)	(149)
LamVen | SAFE Notes
Debt Instrument [Line Items]
Fair value of SAFE notes		5,403
Park Lane | SAFE Notes
Debt Instrument [Line Items]
Fair value of SAFE notes		5,403
iHeart Media | SAFE Notes
Debt Instrument [Line Items]
Fair value of SAFE notes		7,203
Palantir | SAFE Notes
Debt Instrument [Line Items]
Fair value of SAFE notes		6,484
Private Investor One | SAFE Notes
Debt Instrument [Line Items]
Fair value of SAFE notes		72
SAFE-T | SAFE Notes
Debt Instrument [Line Items]
Fair value of SAFE notes	$ 27	$ 149