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FAIR VALUE MEASUREMENTS (Fair Value of Senior Notes) (Details) - Fair value, inputs, Level 2 [Member] - USD ($)
$ in Thousands
Jun. 30, 2023
Dec. 31, 2022
Fair Value Measurements    
Carrying amount of senior notes $ 4,073,702 $ 4,371,653
Estimated fair value of senior notes $ 3,822,651 $ 4,119,777