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Summary of Activities in Shares of Capital Stock (Details) - shares
 12 Months Ended
Dec. 31, 2023
Dec. 31, 2022
Common Class A [Member]    
Class of Stock [Line Items]    
Common stock, shares, outstanding, beginning 18,758,031 17,642,722
Exercise of stock options 279,177 109,587
Vesting of restricted stock units 1,215
Stock dividends 949,980 889,554
Conversion of Class C to Class A 59,599 116,168
Common stock, shares, outstanding, ending 20,048,002 18,758,031
Common Class C [Member]    
Class of Stock [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