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Investments - Security Holdings in an Unrealized Loss Position (Details) $ in Thousands | Dec. 31, 2025 USD ($)
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Debt Securities, Available-for-Sale [Line Items] |
Less than 12 months, Estimated fair value | $ 71,429
Less than 12 months, Gross unrealized losses | (164)
12 months or longer, Estimated fair value | 47,179
12 months or longer, Gross unrealized losses | (502)
Estimated fair value | 118,608
Gross unrealized losses | (666)
Corporate |
Debt Securities, Available-for-Sale [Line Items] |
Less than 12 months, Estimated fair value | 6,307
Less than 12 months, Gross unrealized losses | (7)
12 months or longer, Estimated fair value | 9,461
12 months or longer, Gross unrealized losses | (108)
Estimated fair value | 15,768
Gross unrealized losses | (115)
U.S. Treasury |
Debt Securities, Available-for-Sale [Line Items] |
Less than 12 months, Estimated fair value | 35,150
Less than 12 months, Gross unrealized losses | (83)
12 months or longer, Estimated fair value | 14,948
12 months or longer, Gross unrealized losses | (78)
Estimated fair value | 50,098
Gross unrealized losses | (161)
States and municipalities |
Debt Securities, Available-for-Sale [Line Items] |
Less than 12 months, Estimated fair value | 880
Less than 12 months, Gross unrealized losses | (3)
12 months or longer, Estimated fair value | 0
12 months or longer, Gross unrealized losses | 0
Estimated fair value | 880
Gross unrealized losses | (3)
Foreign |
Debt Securities, Available-for-Sale [Line Items] |
Less than 12 months, Estimated fair value | 17,009
Less than 12 months, Gross unrealized losses | (62)
12 months or longer, Estimated fair value | 0
12 months or longer, Gross unrealized losses | 0
Estimated fair value | 17,009
Gross unrealized losses | (62)
Asset-backed securities |
Debt Securities, Available-for-Sale [Line Items] |
Less than 12 months, Estimated fair value | 1,771
Less than 12 months, Gross unrealized losses | (5)
12 months or longer, Estimated fair value | 1,881
12 months or longer, Gross unrealized losses | (37)
Estimated fair value | 3,652
Gross unrealized losses | (42)
Mortgage-backed securities |
Debt Securities, Available-for-Sale [Line Items] |
Less than 12 months, Estimated fair value | 10,312
Less than 12 months, Gross unrealized losses | (4)
12 months or longer, Estimated fair value | 20,889
12 months or longer, Gross unrealized losses | (279)
Estimated fair value | 31,201
Gross unrealized losses | $ (283)

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