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v3.25.2

Fair Value Measurements - Level 3 Inputs Reconciliation (Details) - USD ($) | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 30, 2025 | Jun. 30, 2024 | Jun. 30, 2025 | Jun. 30, 2024
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |  |  |  |
Balance, Beginning of Period | $ 376,100,000 | $ 191,900,000 | $ 209,000,000.0 | $ 192,300,000
Included in Condensed Consolidated Statement of Operations | 2,200,000 | 2,000,000.0 | 3,400,000 | 1,700,000
Included in Other Comprehensive Income (Loss) | 100,000 | (1,800,000) | 2,600,000 | 0
Purchases | 87,400,000 | 68,600,000 | 257,200,000 | 81,800,000
Sales | (61,000,000.0) | (14,300,000) | (82,300,000) | (18,000,000.0)
Transfers into Level 3 | 0 | 3,100,000 | 15,000,000.0 | 4,800,000
Transfers out of Level 3 | (58,600,000) | (2,800,000) | (58,700,000) | (15,900,000)
Balance, End of Period | 346,200,000 | 246,700,000 | 346,200,000 | 246,700,000
Corporate Bonds and Notes |  |  |  |
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |  |  |  |
Balance, Beginning of Period | 275,800,000 | 180,500,000 | 194,200,000 | 177,100,000
Included in Condensed Consolidated Statement of Operations | 300,000 | 100,000 | 1,500,000 | (100,000)
Included in Other Comprehensive Income (Loss) | 900,000 | (1,700,000) | 2,700,000 | 600,000
Purchases | 33,900,000 | 59,400,000 | 128,900,000 | 72,600,000
Sales | (49,200,000) | (12,600,000) | (70,500,000) | (16,300,000)
Transfers into Level 3 | 0 | 3,100,000 | 5,000,000.0 | 3,100,000
Transfers out of Level 3 | (100,000) | (1,500,000) | (200,000) | (9,700,000)
Balance, End of Period | 261,600,000 | 227,300,000 | 261,600,000 | 227,300,000
States and Political Subdivisions |  |  |  |
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |  |  |  |
Balance, Beginning of Period | 1,700,000 | 1,400,000 | 1,800,000 | 100,000
Included in Condensed Consolidated Statement of Operations | 0 | 0 | 0 | 0
Included in Other Comprehensive Income (Loss) | 0 | 0 | (100,000) | (400,000)
Purchases | 0 | 0 | 0 | 0
Sales | 0 | 0 | 0 | 0
Transfers into Level 3 | 0 | 0 | 0 | 1,700,000
Transfers out of Level 3 | (1,500,000) | (1,300,000) | (1,500,000) | (1,300,000)
Balance, End of Period | 200,000 | 100,000 | 200,000 | 100,000
Redeemable Preferred Stocks |  |  |  |
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |  |  |  |
Balance, Beginning of Period | 4,300,000 | 2,200,000 | 4,200,000 | 7,100,000
Included in Condensed Consolidated Statement of Operations | 0 | 0 | 0 | 0
Included in Other Comprehensive Income (Loss) | 0 | 0 | 100,000 | 0
Purchases | 0 | 1,900,000 | 0 | 1,900,000
Sales | 0 | 0 | 0 | 0
Transfers into Level 3 | 0 | 0 | 0 | 0
Transfers out of Level 3 | 0 | 0 | 0 | (4,900,000)
Balance, End of Period | 4,300,000 | 4,100,000 | 4,300,000 | 4,100,000
Collateralized Loan Obligations |  |  |  |
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |  |  |  |
Balance, Beginning of Period | 67,000,000.0 | 0 | 0 | 0
Included in Condensed Consolidated Statement of Operations | 0 | 0 | 0 | 0
Included in Other Comprehensive Income (Loss) | 0 | 0 | 0 | 0
Purchases | 52,800,000 | 6,800,000 | 119,800,000 | 6,800,000
Sales | (10,000,000.0) | 0 | (10,000,000.0) | 0
Transfers into Level 3 | 0 | 0 | 0 | 0
Transfers out of Level 3 | (57,000,000.0) | 0 | (57,000,000.0) | 0
Balance, End of Period | 52,800,000 | 6,800,000 | 52,800,000 | 6,800,000
Other Mortgage- and Asset-backed |  |  |  |
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |  |  |  |
Balance, Beginning of Period | 22,500,000 | 5,100,000 | 5,000,000.0 | 5,200,000
Included in Condensed Consolidated Statement of Operations | 0 | 0 | 0 | 0
Included in Other Comprehensive Income (Loss) | (100,000) | (100,000) | (100,000) | (200,000)
Purchases | 200,000 | 0 | 7,700,000 | 0
Sales | (100,000) | 0 | (100,000) | 0
Transfers into Level 3 | 0 | 0 | 10,000,000.0 | 0
Transfers out of Level 3 | 0 | 0 | 0 | 0
Balance, End of Period | 22,500,000 | 5,000,000.0 | 22,500,000 | 5,000,000.0
Equity Securities |  |  |  |
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |  |  |  |
Balance, Beginning of Period | 4,800,000 | 2,700,000 | 3,800,000 | 2,800,000
Included in Condensed Consolidated Statement of Operations | 1,900,000 | 1,900,000 | 1,900,000 | 1,800,000
Included in Other Comprehensive Income (Loss) | (700,000) | 0 | 0 | 0
Purchases | 500,000 | 500,000 | 800,000 | 500,000
Sales | (1,700,000) | (1,700,000) | (1,700,000) | (1,700,000)
Transfers into Level 3 | 0 | 0 | 0 | 0
Transfers out of Level 3 | 0 | 0 | 0 | 0
Balance, End of Period | $ 4,800,000 | $ 3,400,000 | $ 4,800,000 | $ 3,400,000

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