SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Net Income Per Share) (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended						9 Months Ended
	Sep. 30, 2022	Jun. 30, 2022	Mar. 31, 2022	Sep. 30, 2021	Jun. 30, 2021	Mar. 31, 2021	Sep. 30, 2022	Sep. 30, 2021
Numerator:
Net income	$ 72,290	$ 83,473	$ 89,318	$ 64,304	$ 61,148	$ 74,212	$ 245,081	$ 199,664
Denominator:
Denominator for basic net income per share - weighted-average outstanding shares (in shares)	394,712			392,419			393,650	392,101
Effect of dilutive securities:
Stock options, restricted stock awards and restricted stock units (in shares)	1,497			1,876			1,323	1,935
Denominator for diluted net income per share — weighted average outstanding shares (in shares)	396,209			394,295			394,973	394,036
Net income per share - basic (in dollars per share)	$ 0.18			$ 0.16			$ 0.62	$ 0.51
Net income per share - diluted (in dollars per share)	$ 0.18			$ 0.16			$ 0.62	$ 0.51