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RELATED PARTY TRANSACTIONS - Transactions with Golar Partners and Subsidiaries - Income (Expense) (Details) - Golar Partners - USD ($) $ in Thousands | 4 Months Ended | 12 Months Ended
--- | --- | ---
Apr. 15, 2021 | Dec. 31, 2020 | Dec. 31, 2019
Related Party Transaction [Line Items] |  |  |
Net (expenses) income (due to) from related parties | $ 3,986 | $ 13,521 | $ 14,214
Management and administrative services fees |  |  |
Related Party Transaction [Line Items] |  |  |
Revenue from related parties | 1,717 | 7,941 | 9,645
Ship management fees revenue |  |  |
Related Party Transaction [Line Items] |  |  |
Revenue from related parties | 2,251 | 5,263 | 4,460
Interest income on short-term loan |  |  |
Related Party Transaction [Line Items] |  |  |
Interest income related parties | $ 18 | $ 317 | $ 109

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