EQUITY (Accumulated Other Comprehensive Income (Loss)) (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2022	Mar. 31, 2021
Accumulated Other Comprehensive Income (Loss) [Line Items]
Total equity, beginning of period	$ 1,741,388	$ 1,506,297
Total other comprehensive income/(loss), net of tax	(10,395)	(5,779)
Total equity, end of period	1,785,372	1,562,994
Accumulated Other Comprehensive Income/(Loss) [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Total equity, beginning of period	(6,772)	3,955
Other comprehensive (loss)/income before reclassifications	(13,163)	(6,291)
Amounts reclassified from accumulated other comprehensive income/(loss), net of tax	2,768	512
Total other comprehensive income/(loss), net of tax	(10,395)	(5,779)
Total equity, end of period	(17,167)	(1,824)
Unrealized Loss On Marketable Securities, Net Of Tax [Member] | Accumulated Other Comprehensive Income/(Loss) [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Total equity, beginning of period	(1,053)	5,001
Other comprehensive (loss)/income before reclassifications	(11,596)	(2,178)
Amounts reclassified from accumulated other comprehensive income/(loss), net of tax	2,768	512
Total other comprehensive income/(loss), net of tax	(8,828)	(1,666)
Total equity, end of period	(9,881)	3,335
Foreign Currency Translation Adjustments [Member] | Accumulated Other Comprehensive Income/(Loss) [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Total equity, beginning of period	(5,719)	(1,046)
Other comprehensive (loss)/income before reclassifications	(1,567)	(4,113)
Total other comprehensive income/(loss), net of tax	(1,567)	(4,113)
Total equity, end of period	$ (7,286)	$ (5,159)