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INCOME TAXES - Additional Information (Details) - USD ($) $ in Thousands | 3 Months Ended | 9 Months Ended |
--- | --- | --- | ---
Sep. 30, 2025 | Sep. 30, 2024 | Sep. 30, 2025 | Sep. 30, 2024 | Dec. 31, 2024
Income Tax Contingency [Line Items] |  |  |  |  |
Net deferred tax asset | $ 146,900 |  | $ 146,900 |  | $ 136,400
Valuation allowance | 80,800 |  | 80,800 |  | 119,100
Income tax expense | 5,697 | $ 22,659 | $ 51,642 | $ 72,155 |
Estimated annual effective tax rate, excluding entities from which a tax benefit cannot be recognized and discrete items |  |  | 22.20% | 24.50% |
Net Operating Loss [Member] | Act 65-2025 [Member] |  |  |  |  |
Income Tax Contingency [Line Items] |  |  |  |  |
One-time reversal in valuation allowance related to deferred tax assets | (16,600) |  |  |  |
US [Member] |  |  |  |  |
Income Tax Contingency [Line Items] |  |  |  |  |
Current income tax expense | 3,200 | 2,800 | $ 8,600 | $ 7,700 |
Subsidiaries [Member] |  |  |  |  |
Income Tax Contingency [Line Items] |  |  |  |  |
Net deferred tax asset | 133,000 |  | 133,000 |  | 136,400
Valuation allowance | 77,000 |  | 77,000 |  | $ 98,500
Holding Company [Member] |  |  |  |  |
Income Tax Contingency [Line Items] |  |  |  |  |
Income tax expense | (15,592) | $ 0 | (15,591) | $ 1 |
Holding Company [Member] | Net Operating Loss [Member] |  |  |  |  |
Income Tax Contingency [Line Items] |  |  |  |  |
Valuation allowance | 1,000 |  | 1,000 |  |
Holding Company [Member] | Net Operating Loss [Member] | Act 65-2025 [Member] |  |  |  |  |
Income Tax Contingency [Line Items] |  |  |  |  |
One-time reversal in valuation allowance related to deferred tax assets | $ (15,800) |  | $ (15,800) |  |

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