RELATED PARTY TRANSACTIONS - Leases (Details) - USD ($) $ in Thousands	Dec. 31, 2024	Dec. 31, 2023	Jul. 31, 2023	Feb. 28, 2022
Related Party Transaction [Line Items]
Right-of-use assets	$ 211,886	$ 221,508
Operating lease, liability	265,431	272,553
KAEC Lease Agreement | Related Party
Related Party Transaction [Line Items]
Lease initial term (in years)				25 years
Right-of-use assets	4,200	4,500
Operating lease, liability	6,100	5,700
KAFD Lease Agreement | Related Party
Related Party Transaction [Line Items]
Lease initial term (in years)			6 years
Right-of-use assets	2,000	2,300
Operating lease, liability	$ 2,400	$ 2,300