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RESTRICTED CASH AND CASH EQUIVALENTS (Details) - USD ($) $ in Thousands | Sep. 30, 2025 | Dec. 31, 2024 | Sep. 30, 2024 | Dec. 31, 2023
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Restricted Cash and Cash Equivalent Item [Line Items] |  |  |  |
Total restricted cash and cash equivalents | $ 586,444 | $ 584,402 |  |
Cash and cash equivalents | 68,789 | 64,685 |  |
Total cash, cash equivalents, and restricted cash | 655,233 | 649,087 | $ 621,733 | $ 655,730
Cash securing trust accounts |  |  |  |
Restricted Cash and Cash Equivalent Item [Line Items] |  |  |  |
Total restricted cash and cash equivalents | 266,493 | 256,796 |  |
Cash securing letters of credit issued |  |  |  |
Restricted Cash and Cash Equivalent Item [Line Items] |  |  |  |
Total restricted cash and cash equivalents | 302,815 | 312,855 |  |
Cash securing debt facility |  |  |  |
Restricted Cash and Cash Equivalent Item [Line Items] |  |  |  |
Total restricted cash and cash equivalents | 10,000 | 10,000 |  |
Other |  |  |  |
Restricted Cash and Cash Equivalent Item [Line Items] |  |  |  |
Total restricted cash and cash equivalents | $ 7,136 | $ 4,751 |  |

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