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Investments - Securities With Gross Unrealized Loss Position (Details) - USD ($) $ in Thousands | Jun. 30, 2026 | Dec. 31, 2025
--- | --- | ---
Net Investment Income [Line Items] |  |
Less than twelve months, gross unrealized loss | $ (554) | $ (72)
Less than twelve months, fair value | 51,486 | 24,942
Twelve months or greater, gross unrealized loss | 0 | 0
Twelve months or greater, fair value | 0 | 0
Gross Unrealized Loss | (554) | (72)
Fair Value | 51,486 | 24,942
Variable Interest Entity, Primary Beneficiary |  |
Net Investment Income [Line Items] |  |
Less than twelve months, gross unrealized loss | (402) | (1,859)
Less than twelve months, fair value | 68,677 | 38,418
Twelve months or greater, gross unrealized loss | (2,731) | (353)
Twelve months or greater, fair value | 59,808 | 3,773
Gross Unrealized Loss | (3,133) | (2,212)
Fair Value | 128,485 | 42,191
U.S. Treasuries |  |
Net Investment Income [Line Items] |  |
Less than twelve months, gross unrealized loss | (5) | (3)
Less than twelve months, fair value | 3,949 | 6,954
Twelve months or greater, gross unrealized loss | 0 | 0
Twelve months or greater, fair value | 0 | 0
Gross Unrealized Loss | (5) | (3)
Fair Value | 3,949 | 6,954
U.S. Treasuries | Variable Interest Entity, Primary Beneficiary |  |
Net Investment Income [Line Items] |  |
Less than twelve months, gross unrealized loss | (17) | (102)
Less than twelve months, fair value | 2,437 | 3,011
Twelve months or greater, gross unrealized loss | (158) | 0
Twelve months or greater, fair value | 3,846 | 0
Gross Unrealized Loss | (175) | (102)
Fair Value | 6,283 | 3,011
Obligations of states, municipalities and political subdivisions |  |
Net Investment Income [Line Items] |  |
Less than twelve months, gross unrealized loss | (3) | 0
Less than twelve months, fair value | 694 | 0
Twelve months or greater, gross unrealized loss | 0 | 0
Twelve months or greater, fair value | 0 | 0
Gross Unrealized Loss | (3) | 0
Fair Value | 694 | 0
Obligations of states, municipalities and political subdivisions | Variable Interest Entity, Primary Beneficiary |  |
Net Investment Income [Line Items] |  |
Less than twelve months, gross unrealized loss | (33) | (361)
Less than twelve months, fair value | 18,980 | 5,250
Twelve months or greater, gross unrealized loss | (365) | (45)
Twelve months or greater, fair value | 7,524 | 1,127
Gross Unrealized Loss | (398) | (406)
Fair Value | 26,504 | 6,377
Corporate bonds |  |
Net Investment Income [Line Items] |  |
Less than twelve months, gross unrealized loss | (418) | (46)
Less than twelve months, fair value | 32,510 | 14,563
Twelve months or greater, gross unrealized loss | 0 | 0
Twelve months or greater, fair value | 0 | 0
Gross Unrealized Loss | (418) | (46)
Fair Value | 32,510 | 14,563
Corporate bonds | Variable Interest Entity, Primary Beneficiary |  |
Net Investment Income [Line Items] |  |
Less than twelve months, gross unrealized loss | (122) | (681)
Less than twelve months, fair value | 18,577 | 13,179
Twelve months or greater, gross unrealized loss | (889) | (96)
Twelve months or greater, fair value | 17,036 | 1,300
Gross Unrealized Loss | (1,011) | (777)
Fair Value | 35,613 | 14,479
Residential and commercial mortgage-backed securities |  |
Net Investment Income [Line Items] |  |
Less than twelve months, gross unrealized loss | (128) | (23)
Less than twelve months, fair value | 14,333 | 3,425
Twelve months or greater, gross unrealized loss | 0 | 0
Twelve months or greater, fair value | 0 | 0
Gross Unrealized Loss | (128) | (23)
Fair Value | 14,333 | 3,425
Residential and commercial mortgage-backed securities | Variable Interest Entity, Primary Beneficiary |  |
Net Investment Income [Line Items] |  |
Less than twelve months, gross unrealized loss | (126) | (661)
Less than twelve months, fair value | 21,350 | 15,453
Twelve months or greater, gross unrealized loss | (1,273) | (212)
Twelve months or greater, fair value | 30,487 | 1,346
Gross Unrealized Loss | (1,399) | (873)
Fair Value | 51,837 | 16,799
Other loan-backed and structured securities |  |
Net Investment Income [Line Items] |  |
Less than twelve months, gross unrealized loss | 0 | 0
Less than twelve months, fair value | 0 | 0
Twelve months or greater, gross unrealized loss | 0 | 0
Twelve months or greater, fair value | 0 | 0
Gross Unrealized Loss | 0 | 0
Fair Value | 0 | 0
Other loan-backed and structured securities | Variable Interest Entity, Primary Beneficiary |  |
Net Investment Income [Line Items] |  |
Less than twelve months, gross unrealized loss | (104) | (54)
Less than twelve months, fair value | 7,333 | 1,525
Twelve months or greater, gross unrealized loss | (46) | 0
Twelve months or greater, fair value | 915 | 0
Gross Unrealized Loss | (150) | (54)
Fair Value | $ 8,248 | $ 1,525

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