DERIVATIVE CONTRACTS AND COLLATERALIZED INDEBTEDNESS - Narrative (Details) - USD ($) $ in Thousands	3 Months Ended
Mar. 31, 2023	Mar. 31, 2022
Derivative [Line Items]
Gain (loss) on derivative contracts, net	$ (166,489)	$ 101,074
Change in the fair value of Comcast common stock included in gain (loss) on investments	192,010	(150,773)
Gain (loss) on interest rate swap contracts, net	(14,429)	123,147
Investment Income, Dividend	11,598
Cash received from settlement of collateralized indebtedness	50,500
Comcast stock
Derivative [Line Items]
Change in the fair value of Comcast common stock included in gain (loss) on investments	192,010	(150,773)
Notes related to derivative contracts
Derivative [Line Items]
Gain (loss) on derivative contracts, net	$ (166,489)	$ 101,074

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