COMMITMENTS AND CONTINGENT LIABILITIES (Details) € in Thousands		9 Months Ended
	Nov. 06, 2020 USD ($)	Sep. 30, 2023 USD ($)	Sep. 30, 2023 EUR (€)	Dec. 31, 2022 USD ($)
Line of Credit Facility [Line Items]
Pledged bank deposits		$ 2,643,000		$ 2,296,000
Operating lease and other contractual commitments		2,991,000		2,459,000
Debt securities, available-for-sale and held-to-maturity, adjusted cost basis		921,248,000		$ 969,425,000
Asset pledged as collateral
Line of Credit Facility [Line Items]
Debt securities, available-for-sale and held-to-maturity, adjusted cost basis		15,862,000	€ 15,000
Revolving Credit Facility
Line of Credit Facility [Line Items]
Contractual term	3 years
Maximum borrowing capacity	$ 150,000,000
Early termination fee paid		0
Long-term debt		$ 0
Revolving Credit Facility | Minimum | Line of Credit
Line of Credit Facility [Line Items]
Basis spread on variable rate	2.75%
Fee for unused revolving credit commitments, percentage	0.35%
Revolving Credit Facility | Maximum | Line of Credit
Line of Credit Facility [Line Items]
Basis spread on variable rate	3.25%
Fee for unused revolving credit commitments, percentage	0.45%