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SIGNIFICANT ACCOUNTING POLICIES - Schedule of Components of Accumulated Other Comprehensive Income (Details) - USD ($)
$ in Thousands
 12 Months Ended
Dec. 31, 2021
Dec. 31, 2020
Dec. 31, 2019
Accumulated Other Comprehensive Income (Loss) [Line Items]      
Beginning balance $ 2,588,484 $ 2,257,266 $ 2,016,613
Other comprehensive income before reclassifications (15,746) 21,201 14,213
Amounts reclassified from accumulated other comprehensive income (loss) (7,331) (4,564) (896)
Total other comprehensive income (loss) (23,077) 16,637 13,317
Ending balance 2,837,959 2,588,484 2,257,266
Total      
Accumulated Other Comprehensive Income (Loss) [Line Items]      
Beginning balance (16,662) (33,299) (46,616)
Ending balance (39,739) (16,662) (33,299)
Unrealized gains (losses) on marketable securities      
Accumulated Other Comprehensive Income (Loss) [Line Items]      
Beginning balance 13,285 4,131 (1,662)
Other comprehensive income before reclassifications (13,368) 11,249 6,260
Amounts reclassified from accumulated other comprehensive income (loss) (1,403) (2,095) (467)
Total other comprehensive income (loss) (14,771) 9,154 5,793
Ending balance (1,486) 13,285 4,131
Unrealized gains (losses) on cash flow hedges      
Accumulated Other Comprehensive Income (Loss) [Line Items]      
Beginning balance 4,836 2,351 (2,715)
Other comprehensive income before reclassifications 5,024 4,954 5,495
Amounts reclassified from accumulated other comprehensive income (loss) (5,928) (2,469) (429)
Total other comprehensive income (loss) (904) 2,485 5,066
Ending balance 3,932 4,836 2,351
Foreign currency translation adjustment      
Accumulated Other Comprehensive Income (Loss) [Line Items]      
Beginning balance (34,783) (39,781) (42,239)
Other comprehensive income before reclassifications (7,402) 4,998 2,458
Amounts reclassified from accumulated other comprehensive income (loss) 0 0 0
Total other comprehensive income (loss) (7,402) 4,998 2,458
Ending balance $ (42,185) $ (34,783) $ (39,781)