RELATED PARTY TRANSACTIONS - Leases (Details) - USD ($) $ in Thousands	Mar. 31, 2025	Dec. 31, 2024	Jul. 31, 2023	Feb. 28, 2022
Related Party Transaction [Line Items]
Right-of-use assets	$ 230,780	$ 211,886
Operating lease, liability	279,201	265,431
KAEC Lease Agreement | Related Party
Related Party Transaction [Line Items]
Lease initial term				25 years
Right-of-use assets	4,200	4,200
Operating lease, liability	6,200	6,100
KAFD Lease Agreement | Related Party
Related Party Transaction [Line Items]
Lease initial term			6 years
Right-of-use assets	1,900	2,000
Operating lease, liability	$ 2,500	$ 2,400