v3.26.1
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