FAIR VALUE MEASUREMENTS - Schedule of Balances Elected to Account for at Fair Value (Details) - USD ($) $ in Thousands	Sep. 30, 2023	Dec. 31, 2022
Fair Value Disclosures [Abstract]
Other investments	$ 3,167,941	$ 2,494,954
Other assets	3,141	3,499
Other liabilities	$ 3,686	$ 5,331