SEGMENT REPORTING - Company's consolidated operating results including significant segment expenses (Details) - USD ($) $ in Thousands	3 Months Ended			9 Months Ended
	Sep. 30, 2025	Jun. 30, 2025	Sep. 30, 2024	Sep. 30, 2025	Sep. 30, 2024
Segment Reporting Information [Line Items]
NET REVENUES	$ 118,919		$ 115,837	$ 340,300	$ 313,723
Stock-based compensation (1)	21,205		8,338	39,965	25,787
Other operating expenses (excluding 1)	14,279	$ 9,200	0	23,430	0
INCOME (LOSS) FROM OPERATIONS	(3,953)		11,582	1,420	14,010
OTHER INCOME	2,555		2,750	8,412	9,441
PROVISION (BENEFIT) FOR INCOME TAXES	(42)		41	1,029	357
NET INCOME (LOSS)	(1,356)		14,291	8,803	23,094
Other segment information
Depreciation				20,788	25,560
Single reportable segment
Segment Reporting Information [Line Items]
NET REVENUES	118,919		115,837	340,300	313,723
Stock-based compensation (1)	21,205		8,338	39,965	25,787
Amortization of acquisition-related intangible assets (2)	147		147	440	887
Cost of revenues (excluding 1 & 2)	53,404		52,023	151,054	143,803
Research and development (excluding 1)	23,846		22,832	68,492	65,794
Sales and marketing (excluding 1)	15,545		15,243	46,761	44,904
General and administrative (excluding 1)	8,000		5,672	22,292	18,538
Other operating expenses (excluding 1)	725		0	9,876	0
INCOME (LOSS) FROM OPERATIONS	(3,953)		11,582	1,420	14,010
OTHER INCOME	2,555		2,750	8,412	9,441
PROVISION (BENEFIT) FOR INCOME TAXES	(42)		41	1,029	357
NET INCOME (LOSS)	(1,356)		14,291	8,803	23,094
Other segment information
Depreciation	6,542		8,454	20,788	25,560
Amortization of intangibles	208		208	623	1,071
Interest Income	$ 2,730		$ 3,328	$ 9,125	$ 10,123