Fair Value Measurements - Schedule of assets and liabilities measured at fair value on recurring basis and the fair value hierarchy of the valuation techniques (Details) - USD ($) $ in Thousands	Dec. 31, 2021	Dec. 31, 2020
Assets:
Total assets at fair value	$ 156,361	$ 66,803
Liability:
Total liabilities at fair value		(8,846)
Common Stock Warrant Liability
Liability:
Total liabilities at fair value		(5,018)
Redeemable Convertible Preferred Stock Warrant Liability
Liability:
Total liabilities at fair value		(3,828)
Fair Value, Inputs, Level 1
Assets:
Total assets at fair value	21,390	11,822
Liability:
Total liabilities at fair value
Fair Value, Inputs, Level 1 | Common Stock Warrant Liability
Liability:
Total liabilities at fair value
Fair Value, Inputs, Level 1 | Redeemable Convertible Preferred Stock Warrant Liability
Liability:
Total liabilities at fair value
Fair Value, Inputs, Level 2
Assets:
Total assets at fair value	134,971	54,981
Liability:
Total liabilities at fair value
Fair Value, Inputs, Level 2 | Common Stock Warrant Liability
Liability:
Total liabilities at fair value
Fair Value, Inputs, Level 2 | Redeemable Convertible Preferred Stock Warrant Liability
Liability:
Total liabilities at fair value
Fair Value, Inputs, Level 3
Assets:
Total assets at fair value
Liability:
Total liabilities at fair value		(8,846)
Fair Value, Inputs, Level 3 | Common Stock Warrant Liability
Liability:
Total liabilities at fair value		(5,018)
Fair Value, Inputs, Level 3 | Redeemable Convertible Preferred Stock Warrant Liability
Liability:
Total liabilities at fair value		(3,828)
Money Market Securities
Assets:
Total assets at fair value	21,390	11,822
Money Market Securities | Fair Value, Inputs, Level 1
Assets:
Total assets at fair value	21,390	11,822
Money Market Securities | Fair Value, Inputs, Level 2
Assets:
Total assets at fair value
Money Market Securities | Fair Value, Inputs, Level 3
Assets:
Total assets at fair value
Government Securities
Assets:
Total assets at fair value	134,971	54,981
Government Securities | Fair Value, Inputs, Level 1
Assets:
Total assets at fair value
Government Securities | Fair Value, Inputs, Level 2
Assets:
Total assets at fair value	134,971	54,981
Government Securities | Fair Value, Inputs, Level 3
Assets:
Total assets at fair value