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v3.23.3

Summary of Activities in Shares of Capital Stock (Details) - shares | 9 Months Ended
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Sep. 30, 2023 | Sep. 30, 2022
Common Class A [Member] |  |
Earnings Per Share, Basic, by Common Class, Including Two Class Method [Line Items] |  |
Common stock, shares, outstanding, beginning | 18,758,031 | 17,642,722
Exercise of stock options | 239,191 | 69,096
Vesting of restricted stock units | 810 |
Stock dividends | 949,980 | 889,554
Conversion of Class C to Class A | 59,599 | 116,168
Common stock, shares, outstanding, ending | 20,007,611 | 18,717,540
Common Class C [Member] |  |
Earnings Per Share, Basic, by Common Class, Including Two Class Method [Line Items] |  |
Common stock, shares, outstanding, beginning | 2,889,859 | 2,866,565
Exercise of stock options |  |
Vesting of restricted stock units |  |
Stock dividends | 141,594 | 139,462
Conversion of Class C to Class A | (59,599) | (116,168)
Common stock, shares, outstanding, ending | 2,971,854 | 2,889,859

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