OTHER DEFERRED CREDITS AND OTHER LIABILITIES - Narrative (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2015	Jun. 30, 2024	Dec. 31, 2023
Deferred credits and other liabilities
Transmission easements		$ 17,949	$ 17,862
Transmission Right of Way Easements
Deferred credits and other liabilities
Total due for easement right of way	$ 26,100
Transmission Right of Way Easements | Other Deferred Credits and Other Liabilities
Deferred credits and other liabilities
Transmission easements		$ 17,900