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Segment Information (Segment Reconciliation to Totals reported in the accompanying Consolidated Financial Statements) (Details) - USD ($) $ in Thousands | 3 Months Ended
--- | ---
Mar. 31, 2025 | Mar. 31, 2024
Segment Reporting Information [Line Items] |  |
Operating income | $ 30,514 | $ 23,645
Depreciation and amortization | 3,943 | 3,469
Interest income | (502) | (423)
Income before income taxes | 26,998 | 21,310
Operating Segments [Member] |  |
Segment Reporting Information [Line Items] |  |
Operating income | 65,223 | 54,756
Other general and administrative expenses | 30,766 | 27,642
Depreciation and amortization | 3,943 | 3,469
Interest income | (502) | (423)
Income before income taxes | $ 26,998 | $ 21,310

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