Earnings Per Share (Narrative) (Details) - shares |
Dec. 31, 2022 |
Dec. 31, 2021 |
---|---|---|
Common Class A [Member] | ||
Earnings Per Share, Basic, by Common Class, Including Two Class Method [Line Items] | ||
Common stock, shares issued | 20,000,753 | 19,991,753 |
Common stock, shares outstanding | 20,000,753 | 19,991,753 |
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 |