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Stockholders' Equity - Changes in Number of Shares of Class A Stock Outstanding (Details) - Class A Stock - shares | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2023 | Sep. 30, 2022 | Sep. 30, 2023 | Sep. 30, 2022
Change In Common Stock Outstanding [Roll Forward] |  |  |  |
Class A Stock outstanding, beginning of period | 10,884,575 | 11,270,944 | 10,868,556 | 12,447,036
Issued pursuant to share-based compensation plans | 10,745 | 17,098 | 217,954 | 103,549
Repurchased and cancelled | (606,087) | (413,052) | (797,277) | (1,675,595)
Class A Stock outstanding, end of period | 10,289,233 | 10,874,990 | 10,289,233 | 10,874,990

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