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v3.23.2

Investments (Details) - USD ($) $ in Thousands | Jun. 30, 2023 | Dec. 31, 2022
--- | --- | ---
Debt Securities, Available-for-sale [Line Items] |  |
Amortized Cost | $ 6,056,298 | $ 5,926,785
Fair Value | 5,603,038 | 5,409,698
Short term fixed income securities investments held by company | 172,800 | 67,000
Assets held by insurance regulatory requirements | 11,900 | 11,800
Assets held in trust for the benefit of contractual counterparties | 146,300 | 128,400
Total fixed income securities (1) |  |
Debt Securities, Available-for-sale [Line Items] |  |
Amortized Cost | 6,056,298 | 5,926,785
Gross Unrealized Gains | 5,103 | 5,953
Gross Unrealized Losses | (458,363) | (523,040)
Fair Value | 5,603,038 | 5,409,698
U.S. Treasury securities and obligations of U.S. government corporations and agencies |  |
Debt Securities, Available-for-sale [Line Items] |  |
Amortized Cost | 185,239 | 145,581
Gross Unrealized Gains | 8 | 2
Gross Unrealized Losses | (8,871) | (9,683)
Fair Value | 176,376 | 135,900
Obligations of U.S. states and political subdivisions |  |
Debt Securities, Available-for-sale [Line Items] |  |
Amortized Cost | 2,208,970 | 2,400,261
Gross Unrealized Gains | 3,996 | 4,866
Gross Unrealized Losses | (214,788) | (256,073)
Fair Value | 1,998,178 | 2,149,054
Corporate debt securities |  |
Debt Securities, Available-for-sale [Line Items] |  |
Amortized Cost | 2,542,461 | 2,416,475
Gross Unrealized Gains | 1,040 | 1,043
Gross Unrealized Losses | (178,099) | (196,377)
Fair Value | 2,365,402 | 2,221,141
ABS |  |
Debt Securities, Available-for-sale [Line Items] |  |
Amortized Cost | 127,142 | 126,723
Gross Unrealized Gains | 3 | 5
Gross Unrealized Losses | (5,191) | (6,041)
Fair Value | 121,954 | 120,687
RMBS |  |
Debt Securities, Available-for-sale [Line Items] |  |
Amortized Cost | 260,147 | 223,743
Gross Unrealized Gains | 7 | 10
Gross Unrealized Losses | (23,583) | (25,744)
Fair Value | 236,571 | 198,009
CMBS |  |
Debt Securities, Available-for-sale [Line Items] |  |
Amortized Cost | 301,682 | 257,785
Gross Unrealized Gains | 42 | 22
Gross Unrealized Losses | (22,152) | (20,591)
Fair Value | 279,572 | 237,216
CLOs |  |
Debt Securities, Available-for-sale [Line Items] |  |
Amortized Cost | 335,380 | 337,656
Gross Unrealized Gains | 6 | 5
Gross Unrealized Losses | (4,935) | (7,829)
Fair Value | 330,451 | 329,832
Foreign government debt |  |
Debt Securities, Available-for-sale [Line Items] |  |
Amortized Cost | 4,486 | 4,486
Gross Unrealized Gains | 0 | 0
Gross Unrealized Losses | (743) | (699)
Fair Value | 3,743 | 3,787
Commercial paper |  |
Debt Securities, Available-for-sale [Line Items] |  |
Amortized Cost | 90,791 | 14,075
Gross Unrealized Gains | 1 | 0
Gross Unrealized Losses | (1) | (3)
Fair Value | $ 90,791 | $ 14,072

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