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v3.22.2

Investments (Details) - USD ($) $ in Thousands | 3 Months Ended | 6 Months Ended |
--- | --- | --- | ---
Jun. 30, 2022 | Jun. 30, 2021 | Jun. 30, 2022 | Jun. 30, 2021 | Dec. 31, 2021
Debt Securities, Available-for-sale [Line Items] |  |  |  |  |
Amortized Cost | $ 6,087,857 |  | $ 6,087,857 |  | $ 6,397,658
Fair Value | 5,712,820 |  | 5,712,820 |  | 6,587,581
Assets held by insurance regulatory requirements | 12,600 |  | 12,600 |  | 13,400
Assets held in trust for the benefit of contractual counterparties | 177,600 |  | 177,600 |  | 189,800
FHLB advance, collateral pledged |  |  |  |  | 167,200
Total fixed income securities |  |  |  |  |
Debt Securities, Available-for-sale [Line Items] |  |  |  |  |
Amortized Cost | 6,087,857 |  | 6,087,857 |  | 6,397,658
Gross Unrealized Gains | 12,589 |  | 12,589 |  | 218,390
Gross Unrealized Losses | (387,626) |  | (387,626) |  | (28,467)
Fair Value | 5,712,820 |  | 5,712,820 |  | 6,587,581
Gains on sales | 987 | $ 2,275 | 5,121 | $ 5,291 |
Losses on sales | (1,093) | (353) | (5,750) | (745) |
Change in credit allowance | 0 | 31 | 0 | 49 |
Proceeds from sales of fixed income securities | 46,730 | $ 83,235 | 263,554 | $ 140,062 |
U.S. Treasury securities and obligations of U.S. government corporations and agencies |  |  |  |  |
Debt Securities, Available-for-sale [Line Items] |  |  |  |  |
Amortized Cost | 123,595 |  | 123,595 |  | 133,990
Gross Unrealized Gains | 19 |  | 19 |  | 285
Gross Unrealized Losses | (6,295) |  | (6,295) |  | (868)
Fair Value | 117,319 |  | 117,319 |  | 133,407
Obligations of U.S. states and political subdivisions |  |  |  |  |
Debt Securities, Available-for-sale [Line Items] |  |  |  |  |
Amortized Cost | 2,455,698 |  | 2,455,698 |  | 2,408,688
Gross Unrealized Gains | 11,529 |  | 11,529 |  | 133,361
Gross Unrealized Losses | (174,093) |  | (174,093) |  | (7,396)
Fair Value | 2,293,134 |  | 2,293,134 |  | 2,534,653
Corporate debt securities |  |  |  |  |
Debt Securities, Available-for-sale [Line Items] |  |  |  |  |
Amortized Cost | 2,532,263 |  | 2,532,263 |  | 2,704,586
Gross Unrealized Gains | 945 |  | 945 |  | 75,172
Gross Unrealized Losses | (158,155) |  | (158,155) |  | (13,776)
Fair Value | 2,375,053 |  | 2,375,053 |  | 2,765,982
ABS |  |  |  |  |
Debt Securities, Available-for-sale [Line Items] |  |  |  |  |
Amortized Cost | 108,064 |  | 108,064 |  | 150,888
Gross Unrealized Gains | 9 |  | 9 |  | 830
Gross Unrealized Losses | (4,805) |  | (4,805) |  | (1,008)
Fair Value | 103,268 |  | 103,268 |  | 150,710
RMBS |  |  |  |  |
Debt Securities, Available-for-sale [Line Items] |  |  |  |  |
Amortized Cost | 240,109 |  | 240,109 |  | 309,991
Gross Unrealized Gains | 31 |  | 31 |  | 2,397
Gross Unrealized Losses | (17,591) |  | (17,591) |  | (3,278)
Fair Value | 222,549 |  | 222,549 |  | 309,110
CMBS |  |  |  |  |
Debt Securities, Available-for-sale [Line Items] |  |  |  |  |
Amortized Cost | 282,090 |  | 282,090 |  | 315,330
Gross Unrealized Gains | 50 |  | 50 |  | 5,736
Gross Unrealized Losses | (15,529) |  | (15,529) |  | (1,936)
Fair Value | 266,611 |  | 266,611 |  | 319,130
CLOs |  |  |  |  |
Debt Securities, Available-for-sale [Line Items] |  |  |  |  |
Amortized Cost | 337,823 |  | 337,823 |  | 360,436
Gross Unrealized Gains | 6 |  | 6 |  | 609
Gross Unrealized Losses | (10,418) |  | (10,418) |  | (106)
Fair Value | 327,411 |  | 327,411 |  | 360,939
Foreign government debt |  |  |  |  |
Debt Securities, Available-for-sale [Line Items] |  |  |  |  |
Amortized Cost | 4,486 |  | 4,486 |  | 13,749
Gross Unrealized Gains | 0 |  | 0 |  | 0
Gross Unrealized Losses | (740) |  | (740) |  | (99)
Fair Value | 3,746 |  | 3,746 |  | $ 13,650
Commercial paper |  |  |  |  |
Debt Securities, Available-for-sale [Line Items] |  |  |  |  |
Amortized Cost | 3,729 |  | 3,729 |  |
Gross Unrealized Gains | 0 |  | 0 |  |
Gross Unrealized Losses | 0 |  | 0 |  |
Fair Value | $ 3,729 |  | $ 3,729 |  |

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