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INSURANCE OPERATIONS - Schedule of Statutory Capital and Surplus, and an Amount Representing Ten Percent of Total Liabilities for both UPCIC and APPCIC (Details) - USD ($) $ in Thousands | Jun. 30, 2025 | Dec. 31, 2024
--- | --- | ---
UPCIC |  |
Statutory Accounting Practices [Line Items] |  |
Statutory capital and surplus | $ 417,715 | $ 385,530
Ten percent of total liabilities | 181,530 | 161,438
APPCIC |  |
Statutory Accounting Practices [Line Items] |  |
Statutory capital and surplus | 29,195 | 27,985
Ten percent of total liabilities | $ 3,077 | $ 3,179

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