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Earnings Per Share (Narrative) (Details) - shares
Jun. 30, 2023
Dec. 31, 2022
Common Class A [Member]    
Earnings Per Share, Basic, by Common Class, Including Two Class Method [Line Items]    
Common stock, shares issued 19,544,777 20,000,753
Common stock, shares outstanding 19,544,777 20,000,753
Common Class B [Member]    
Earnings Per Share, Basic, by Common Class, Including Two Class Method [Line Items]    
Common stock, shares issued 0 0
Common stock, shares outstanding 0 0