v3.26.1
Investments - Schedule of Security Holdings in an Unrealized Loss Position (Details) - USD ($)
$ in Thousands
Jun. 30, 2026
Dec. 31, 2025
Debt Securities, Available-for-Sale [Line Items]    
Less than 12 months, Estimated fair value $ 338,050 $ 71,429
Less than 12 months, Gross unrealized losses (4,609) (164)
12 months or longer, Estimated fair value 324 47,179
12 months or longer, Gross unrealized losses (13) (502)
Estimated fair value 338,374 118,608
Gross unrealized losses (4,622) (666)
Corporate    
Debt Securities, Available-for-Sale [Line Items]    
Less than 12 months, Estimated fair value 107,009 6,307
Less than 12 months, Gross unrealized losses (1,660) (7)
12 months or longer, Estimated fair value 324 9,461
12 months or longer, Gross unrealized losses (13) (108)
Estimated fair value 107,333 15,768
Gross unrealized losses (1,673) (115)
U.S. Treasury    
Debt Securities, Available-for-Sale [Line Items]    
Less than 12 months, Estimated fair value 93,738 35,150
Less than 12 months, Gross unrealized losses (1,289) (83)
12 months or longer, Estimated fair value 0 14,948
12 months or longer, Gross unrealized losses 0 (78)
Estimated fair value 93,738 50,098
Gross unrealized losses (1,289) (161)
States and municipalities    
Debt Securities, Available-for-Sale [Line Items]    
Less than 12 months, Estimated fair value 15,271 880
Less than 12 months, Gross unrealized losses (227) (3)
12 months or longer, Estimated fair value 0 0
12 months or longer, Gross unrealized losses 0 0
Estimated fair value 15,271 880
Gross unrealized losses (227) (3)
Foreign    
Debt Securities, Available-for-Sale [Line Items]    
Less than 12 months, Estimated fair value 18,910 17,009
Less than 12 months, Gross unrealized losses (73) (62)
12 months or longer, Estimated fair value 0 0
12 months or longer, Gross unrealized losses 0 0
Estimated fair value 18,910 17,009
Gross unrealized losses (73) (62)
Asset-backed securities    
Debt Securities, Available-for-Sale [Line Items]    
Less than 12 months, Estimated fair value 33,481 1,771
Less than 12 months, Gross unrealized losses (206) (5)
12 months or longer, Estimated fair value 0 1,881
12 months or longer, Gross unrealized losses 0 (37)
Estimated fair value 33,481 3,652
Gross unrealized losses (206) (42)
Mortgage-backed securities    
Debt Securities, Available-for-Sale [Line Items]    
Less than 12 months, Estimated fair value 69,641 10,312
Less than 12 months, Gross unrealized losses (1,154) (4)
12 months or longer, Estimated fair value 0 20,889
12 months or longer, Gross unrealized losses 0 (279)
Estimated fair value 69,641 31,201
Gross unrealized losses $ (1,154) $ (283)