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Summary of Activities in Shares of Capital Stock (Details) - shares | 3 Months Ended
--- | ---
Mar. 31, 2024 | Mar. 31, 2023
Common Class A [Member] |  |
Earnings Per Share, Basic, by Common Class, Including Two Class Method [Line Items] |  |
Common stock, outstanding shares, beginning | 20,048,002 | 18,758,031
Stock dividends |  | 48,046
Exercise of stock options |  |
Vesting of restricted stock units | 405 |
Conversion of Class C to Class A | 174 | 936
Common stock, outstanding shares, ending | 20,048,581 | 18,807,013
Common Class C [Member] |  |
Earnings Per Share, Basic, by Common Class, Including Two Class Method [Line Items] |  |
Common stock, outstanding shares, beginning | 2,971,854 | 2,889,859
Stock dividends |  |
Exercise of stock options |  |
Vesting of restricted stock units |  |
Conversion of Class C to Class A | (174) | (936)
Common stock, outstanding shares, ending | 2,971,680 | 2,888,923

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