SEGMENT REPORTING - Company's consolidated operating results including significant segment expenses (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2025	Jun. 30, 2024	Jun. 30, 2025	Jun. 30, 2024
Segment Reporting Information [Line Items]
NET REVENUES	$ 115,852	$ 106,198	$ 221,381	$ 197,886
Stock-based compensation (1)	10,077	11,035	18,760	17,449
Other operating expenses	9,151	0	9,151	0
INCOME (LOSS) FROM OPERATIONS	(1,345)	1,958	5,373	2,428
OTHER INCOME	2,690	3,189	5,857	6,691
PROVISION (BENEFIT) FOR INCOME TAXES	(24)	298	1,071	316
NET INCOME	1,369	4,849	10,159	8,803
Other segment information
Depreciation			14,246	17,106
Single reportable segment
Segment Reporting Information [Line Items]
NET REVENUES	115,852	106,198	221,381	197,886
Stock-based compensation (1)	10,077	11,035	18,760	17,449
Amortization of acquisition-related intangible assets (2)	146	258	293	740
Cost of revenues (excluding 1 & 2)	51,160	48,700	97,650	91,780
Research and development (excluding 1)	22,801	22,162	44,646	42,962
Sales and marketing (excluding 1)	16,427	15,543	31,216	29,661
General and administrative (excluding 1)	7,435	6,542	14,292	12,866
Other operating expenses	9,151	0	9,151	0
INCOME (LOSS) FROM OPERATIONS	(1,345)	1,958	5,373	2,428
OTHER INCOME	2,690	3,189	5,857	6,691
PROVISION (BENEFIT) FOR INCOME TAXES	(24)	298	1,071	316
NET INCOME	1,369	4,849	10,159	8,803
Other segment information
Depreciation	7,002	8,391	14,246	17,106
Amortization of intangibles	208	320	415	863
Interest Income	$ 3,035	$ 3,309	$ 6,395	$ 6,795