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Consolidated statement of financial position (Parenthetical) - $ / shares | Dec. 31, 2025 | Dec. 31, 2024
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Class A common stock |  |
Statement of Financial Position [Line Items] |  |
Common stock, shares issued (in shares) | 34,229,801 | 34,195,704
Common stock, shares outstanding (in shares) | 30,200,428 | 30,234,831
Class B common stock |  |
Statement of Financial Position [Line Items] |  |
Common stock, shares issued (in shares) | 10,938,125 | 10,938,125
Common stock, shares outstanding (in shares) | 10,938,125 | 10,938,125
Common stock, no par value (in dollars per share) | $ 0 | $ 0

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