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FINANCIAL INSTRUMENTS AND SIGNIFICANT CONCENTRATIONS - Narrative (Details) - USD ($) $ / shares in Units, $ in Thousands, shares in Millions	12 Months Ended
	Dec. 31, 2021	Jun. 30, 2022	Oct. 29, 2021	Apr. 12, 2021
Concentration Risk [Line Items]
Warrants outstanding (shares)		18.1	8.6	6.1
Exercise price of warrants (in USD per share)			$ 1.04
Fair value instruments			$ 6,300
Operating lease right-of-use assets	$ 12,722	$ 11,469
Cash and cash equivalents	119,571	160,217
Single Financial Institution
Concentration Risk [Line Items]
Cash and cash equivalents	70,600	109,000
Current restricted cash	$ 400	400
Accounts Receivable \| Customer Concentration Risk \| Customer One
Concentration Risk [Line Items]
Concentration risk percent (more than)	10.00%
Non-US
Concentration Risk [Line Items]
Property and equipment, net	$ 1,500	1,600
UNITED STATES
Concentration Risk [Line Items]
Operating lease right-of-use assets	7,700	6,600
INDIA
Concentration Risk [Line Items]
Operating lease right-of-use assets	4,700	4,000
Rest of the world
Concentration Risk [Line Items]
Operating lease right-of-use assets	$ 400	$ 800
Public Warrants
Concentration Risk [Line Items]
Warrants outstanding (shares)	8.6
Exercise price of warrants (in USD per share)	$ 11.50