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/exampleRef
-Topic 944
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Reference 2: http://www.xbrl.org/2003/role/disclosureRef
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- Definition

Undiscounted amount, after reinsurance, of incurred-but-not-reported (IBNR) liabilities plus expected development on reported claims, for claims and allocated claim adjustment expense for short-duration insurance contracts. Excludes unallocated claim adjustment expense.

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- Definition

Undiscounted amount, after reinsurance, of incurred claims and allocated claim adjustment expense used in claims development for short-duration insurance contracts. Excludes unallocated claim adjustment expense.

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- Definition

Cumulative number of reported claims for short-duration insurance contracts.

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LIABILITY FOR UNPAID LOSSES AND LOSS ADJUSTMENT EXPENSES - Summary of Incurred Claims and Allocated Claim Adjustment Expenses, Net of Reinsurance (Details) $ in Thousands	Dec. 31, 2024 USD ($) claim	Dec. 31, 2023 USD ($)	Dec. 31, 2022 USD ($)	Dec. 31, 2021 USD ($)	Dec. 31, 2020 USD ($)
Claims Development [Line Items]
Incurred Loss and Defense & Cost Containment Expenses, Net of Reinsurance	$ 3,864,918
Accident Year 2020
Claims Development [Line Items]
Incurred Loss and Defense & Cost Containment Expenses, Net of Reinsurance	807,684	$ 725,486	$ 635,412	$ 637,764	$ 617,795
Total of IBNR Plus Expected Development (Redundancy) on Reported Claims	$ 9,415
Cumulative Number of Reported Claims \| claim	81,134
Accident Year 2021
Claims Development [Line Items]
Incurred Loss and Defense & Cost Containment Expenses, Net of Reinsurance	$ 772,028	695,957	646,977	$ 641,679
Total of IBNR Plus Expected Development (Redundancy) on Reported Claims	$ (547)
Cumulative Number of Reported Claims \| claim	60,614
Accident Year 2022
Claims Development [Line Items]
Incurred Loss and Defense & Cost Containment Expenses, Net of Reinsurance	$ 771,688	717,840	$ 793,341
Total of IBNR Plus Expected Development (Redundancy) on Reported Claims	$ (3,327)
Cumulative Number of Reported Claims \| claim	107,079
Accident Year 2023
Claims Development [Line Items]
Incurred Loss and Defense & Cost Containment Expenses, Net of Reinsurance	$ 618,746	$ 823,511
Total of IBNR Plus Expected Development (Redundancy) on Reported Claims	$ 3,073
Cumulative Number of Reported Claims \| claim	46,188
Accident Year 2024
Claims Development [Line Items]
Incurred Loss and Defense & Cost Containment Expenses, Net of Reinsurance	$ 894,772
Total of IBNR Plus Expected Development (Redundancy) on Reported Claims	$ 345,364
Cumulative Number of Reported Claims \| claim	71,076