Borrowings and Other Arrangements - Long-Term Debt (Details) - Subordinated Debentures - USD ($) $ in Millions	6 Months Ended
Jun. 30, 2026	Dec. 31, 2025
LONG-TERM DEBT
Fixed interest rate	3.25%
Debt instrument, basis spread on variable rate	2.535%
Long-term debt, net	$ 49.5	$ 49.5

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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+ Details

- Definition

Amount, after deduction of unamortized premium (discount) and debt issuance cost, of long-term debt. Excludes lease obligation.

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