CONDENSED CONSOLIDATED STATEMENTS OF INCOME - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021
Income Statement [Abstract]
NET REVENUES	$ 183,986	$ 180,110	$ 366,135	$ 353,847
COST OF REVENUES	77,143	88,797	158,617	178,123
GROSS PROFIT	106,843	91,313	207,518	175,724
OPERATING EXPENSES:
Research and development	23,507	21,741	47,185	41,768
Sales and marketing	16,045	15,290	32,381	29,413
General and administrative	6,059	9,306	15,673	19,381
Other operating expenses, net	1,130		1,130
Total operating expenses	46,741	46,337	96,369	90,562
INCOME FROM OPERATIONS	60,102	44,976	111,149	85,162
OTHER INCOME	674	173	1,228	770
INCOME BEFORE INCOME TAXES	60,776	45,149	112,377	85,932
PROVISION FOR INCOME TAXES	4,952	3,268	10,305	4,253
NET INCOME	$ 55,824	$ 41,881	$ 102,072	$ 81,679
EARNINGS PER SHARE:
Basic (in dollars per share)	$ 0.97	$ 0.69	$ 1.75	$ 1.35
Diluted (in dollars per share)	$ 0.96	$ 0.68	$ 1.72	$ 1.33
SHARES USED IN PER SHARE CALCULATION:
Basic (in shares)	57,731	60,544	58,480	60,366
Diluted (in shares)	58,305	61,466	59,192	61,481