NET INCOME (LOSS) PER SHARE ATTRIBUTABLE TO COMMON STOCKHOLDERS - Basic and Diluted Net Loss Per Share (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended
	Mar. 31, 2026	Mar. 31, 2025
Numerator:
Net income (loss)	$ 48,045	$ (22,183)
Net income (loss) attributable to common stockholders, basic	$ 32,537	$ (35,889)
Denominator:
Weighted average number of shares used in basic computation (in shares)	359,355,611	304,554,114
Basic net income (loss) per share attributable to common stockholders (in dollars per share)	$ 0.09	$ (0.12)
Numerator:
Net income (loss) used in basic computation	$ 32,537	$ (35,889)
Net income (loss) attributable to common stockholders	$ 32,537	$ (35,889)
Denominator:
Weighted average number of shares used in basic computation (in shares)	359,355,611	304,554,114
Weighted-average number of shares outstanding, diluted (in shares)	378,309,298	304,554,114
Diluted net income (loss) per share attributable to common stockholders (in dollars per share)	$ 0.06	$ (0.12)
Class A
Numerator:
Net income (loss)	$ 44,735	$ (20,065)
Undeclared cumulative dividends to preferred stockholders	(14,440)	(12,397)
Net income (loss) attributable to common stockholders, basic	$ 30,295	$ (32,462)
Denominator:
Weighted average number of shares used in basic computation (in shares)	334,605,611	275,475,350
Basic net income (loss) per share attributable to common stockholders (in dollars per share)	$ 0.09	$ (0.12)
Numerator:
Net income (loss) used in basic computation	$ 30,295	$ (32,462)
Reversal of unrealized gain on preferred stock	(8,031)	0
Reallocation of net income as a result of conversion of Class B to Class A shares (in shares)	2,242	0
Reallocation of undistributed earnings	0	0
Net income (loss) attributable to common stockholders	$ 24,506	$ (32,462)
Denominator:
Weighted average number of shares used in basic computation (in shares)	334,605,611	275,475,350
Conversion of Class B to Class A shares outstanding (in shares)	24,750,000	0
Dilutive securities (in shares)	18,953,687	0
Weighted-average number of shares outstanding, diluted (in shares)	378,309,298	275,475,350
Diluted net income (loss) per share attributable to common stockholders (in dollars per share)	$ 0.06	$ (0.12)
Class B
Numerator:
Net income (loss)	$ 3,310	$ (1,803)
Undeclared cumulative dividends to preferred stockholders	(1,068)	(1,114)
Net income (loss) attributable to common stockholders, basic	$ 2,242	$ (2,917)
Denominator:
Weighted average number of shares used in basic computation (in shares)	24,750,000	24,750,000
Basic net income (loss) per share attributable to common stockholders (in dollars per share)	$ 0.09	$ (0.12)
Numerator:
Net income (loss) used in basic computation	$ 2,242	$ (2,917)
Reversal of unrealized gain on preferred stock	0	0
Reallocation of net income as a result of conversion of Class B to Class A shares (in shares)	0	0
Reallocation of undistributed earnings	(638)	0
Net income (loss) attributable to common stockholders	$ 1,604	$ (2,917)
Denominator:
Weighted average number of shares used in basic computation (in shares)	24,750,000	24,750,000
Conversion of Class B to Class A shares outstanding (in shares)	0	0
Dilutive securities (in shares)	0	0
Weighted-average number of shares outstanding, diluted (in shares)	24,750,000	24,750,000
Diluted net income (loss) per share attributable to common stockholders (in dollars per share)	$ 0.06	$ (0.12)
Class C
Numerator:
Net income (loss)		$ (315)
Undeclared cumulative dividends to preferred stockholders		(195)
Net income (loss) attributable to common stockholders, basic		$ (510)
Denominator:
Weighted average number of shares used in basic computation (in shares)		4,328,764
Basic net income (loss) per share attributable to common stockholders (in dollars per share)		$ (0.12)
Numerator:
Net income (loss) used in basic computation		$ (510)
Reversal of unrealized gain on preferred stock		0
Reallocation of net income as a result of conversion of Class B to Class A shares (in shares)		0
Reallocation of undistributed earnings		0
Net income (loss) attributable to common stockholders		$ (510)
Denominator:
Weighted average number of shares used in basic computation (in shares)		4,328,764
Conversion of Class B to Class A shares outstanding (in shares)		0
Dilutive securities (in shares)		0
Weighted-average number of shares outstanding, diluted (in shares)		4,328,764
Diluted net income (loss) per share attributable to common stockholders (in dollars per share)		$ (0.12)