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GUARANTEES AND COMMITMENTS - Schedule of Long-Term Standby Purchase Commitments (Details) - Long-Term Standby Purchase Commitments - USD ($) $ in Thousands | 3 Months Ended | 12 Months Ended
--- | --- | ---
Mar. 31, 2024 | Dec. 31, 2023
Guarantor Obligations [Line Items] |  |
Maximum principal amount | $ 3,636,782 | $ 3,680,333
Weighted-average remaining maturity | 14 years 3 months 18 days | 14 years 6 months
Guarantee and commitment obligation |  |
Guarantor Obligations [Line Items] |  |
Guarantee and commitment obligation | $ 40,057 | $ 41,594

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