INVESTMENT IN RELATED PARTY INVESTMENT FUND - Narrative (Details) - USD ($) $ in Thousands |
3 Months Ended | ||
|---|---|---|---|
Mar. 31, 2026 |
Mar. 31, 2025 |
Dec. 31, 2025 |
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| Schedule of Equity Method Investments [Line Items] | |||
| Share of Solasglas' net income (see Note 3) | $ 33,689 | $ 32,197 | |
| Solasglas Investments, LP (SILP) | GLRE Limited Partners | |||
| Schedule of Equity Method Investments [Line Items] | |||
| Equity method investments, fair value | $ 515,200 | $ 504,600 | |
| Equity method investment, ownership interest (as a percent) | 80.10% | 81.40% | |
| SILP General Partner | |||
| Schedule of Equity Method Investments [Line Items] | |||
| Equity method investment, ownership interest (as a percent) | 19.90% | 18.60% | |
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- Definition Fair value portion of investments accounted under the equity method. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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- Definition Amount of income (loss) for proportionate share of equity method investee's income (loss). Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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