XML 67 R47.htm IDEA: XBRL DOCUMENT v3.22.4
Note 1 - Description of Business and Summary of Significant Accounting Policies - Basic and Diluted Net Earnings Per Common Share (Details) - USD ($)
$ / shares in Units, shares in Thousands, $ in Thousands
 12 Months Ended
Dec. 31, 2022
Dec. 31, 2021
Net earnings $ 52,689 $ 24,821
Undistributed earnings 49,253 21,444
Common Class A [Member]    
Net earnings 8,598 4,076
Less dividends declared 514 515
Undistributed earnings $ 8,084 $ 3,561
Weighted-average shares outstanding, basic and diluted (in shares) 2,143 2,145
Net earnings per share, basic and diluted (in dollars per share) $ 4.01 $ 1.90
Common Class B [Member]    
Net earnings $ 44,091 $ 20,745
Less dividends declared 2,922 2,862
Undistributed earnings $ 41,169 $ 17,883
Weighted-average shares outstanding, basic and diluted (in shares) 10,394 10,258
Net earnings per share, basic and diluted (in dollars per share) $ 4.24 $ 2.02