Information by Business Segment - Reconciliation of Segment Revenues to Total Revenues (Details) - USD ($) $ in Thousands	12 Months Ended
Dec. 31, 2025	Dec. 31, 2024	Dec. 31, 2023
Reconciliation of segment revenues to total revenues
Total revenues	$ 763,923	$ 753,267	$ 684,982
Reportable segments
Reconciliation of segment revenues to total revenues
Total revenues	721,849	677,717	624,803
Service operations
Reconciliation of segment revenues to total revenues
Total revenues	$ 42,074	$ 75,550	$ 60,179

Amount of revenue recognized from goods sold, services rendered, insurance premiums, or other activities that constitute an earning process. Includes, but is not limited to, investment and interest income before deduction of interest expense when recognized as a component of revenue, and sales and trading gain (loss).

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+ Details