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FINANCIAL RISK MANAGEMENT (Changes in Fair Value) (Details)
$ in Thousands
 12 Months Ended
Dec. 31, 2022
USD ($)
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]  
Financial assets, at fair value beginning balance $ 1,432,536
Financial assets, at fair value ending balance 2,265,461
Level 3  
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]  
Financial assets, at fair value beginning balance 27,821
Financial assets, at fair value ending balance 44,017
Guarantee fund companies | Level 3  
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]  
Financial assets, at fair value beginning balance 3,263
Disinvestment (74)
Interest accrued 0
Changes in fair value 2,158
Reclassifications 0
Net foreign exchange gain 2,493
Financial assets, at fair value ending balance 2,854
Non - U.S. government securities | Level 3  
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]  
Financial assets, at fair value beginning balance 7,863
Disinvestment (2,237)
Interest accrued (1,578)
Changes in fair value 875
Reclassifications 36,240
Net foreign exchange gain 0
Financial assets, at fair value ending balance 41,163
U.S. government and corporate securities | Level 3  
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]  
Financial assets, at fair value beginning balance 16,695
Disinvestment (12,502)
Interest accrued
Changes in fair value (339)
Reclassifications
Net foreign exchange gain 3,854
Financial assets, at fair value ending balance $ 0