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RELATED PARTY TRANSACTIONS - Transactions with OneLNG and Subsidiaries - Narrative (Details) - OneLNG - USD ($)
$ in Millions
12 Months Ended
Dec. 31, 2021
Dec. 31, 2020
Dec. 31, 2019
Related Party Transaction [Line Items]      
Proceeds from related party receivables $ 0.0 $ 0.6 $ 4.5
Trading balances with affiliates      
Related Party Transaction [Line Items]      
Impairment of related party transaction, due from (to) related party $ 0.1 $ 0.0 $ 3.0