DEBT - 2030 Convertible Notes (Details) $ / shares in Units, $ in Thousands		3 Months Ended
	Nov. 12, 2025 USD ($) $ / shares	Mar. 31, 2026 USD ($) d shares	Mar. 31, 2025 USD ($)	Dec. 31, 2025 USD ($)	Nov. 24, 2025 USD ($)
Debt Instrument [Line Items]
2024 convertible note		$ 0	$ 130
Amortization of debt issuance costs and other non-cash interest expense		$ 994	$ 1,291
2030 Convertible Senior Secured Notes | Class A Common Stock
Debt Instrument [Line Items]
Capital shares reserved for future issuance (in shares) | shares		19,303,394
Debt instrument, convertible, conversion ratio		41.9639
Percentage of stock price trigger (in percentage)		130.00%
2030 Convertible Senior Secured Notes | Convertible Debt
Debt Instrument [Line Items]
Principal amount	$ 435,000	$ 460,000			$ 25,000
Debt instrument, overallotments	$ 65,000
Interest rate, stated percentage		0.75%
2024 convertible note		$ 447,300
Debt instrument, convertible, conversion price (in usd per share) | $ / shares	$ 30.98
Debt instrument, convertible, threshold trading days | d		20
Debt instrument, convertible, threshold consecutive trading days | d		30
Debt issuance costs, net				$ 12,700
Amortization of debt issuance costs and other non-cash interest expense		$ 600
Interest expense, debt		$ 900
Interest rate (as a percent)		1.33%
Estimated fair value		$ 566,900
2030 Convertible Senior Secured Notes | Convertible Debt | Class A Common Stock
Debt Instrument [Line Items]
Debt instrument, convertible, conversion ratio	0.0322799
2030 Convertible Senior Secured Notes | Convertible Debt | Class A Common Stock | Maximum
Debt Instrument [Line Items]
Percentage of stock price trigger (in percentage)		130.00%
2030 Convertible Senior Secured Notes | Convertible Debt | Class A Common Stock | Minimum
Debt Instrument [Line Items]
Percentage of stock price trigger (in percentage)		98.00%