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Consolidated Statements of Stockholders' Equity - USD ($)
$ in Thousands
Common Stock [Member]
Common Class A [Member]
Common Stock [Member]
Common Class B [Member]
Additional Paid-in Capital [Member]
Treasury Stock [Member]
AOCI Attributable to Parent [Member]
Retained Earnings [Member]
Total
Balances at Dec. 31, 2020 $ 173 $ 24 $ 143,438 $ (17,067) $ (2,251) $ 166,325 $ 290,642
Net income 0 0 0 0 0 60,731 60,731
Share repurchase (1)         (1,980)  
Share repurchase   0 0 (8,367) 0   (10,348)
Other comprehensive income (loss) 0 0 0 0 945 0 945
Stock-based employee compensation expense 0 0 9,059 0 0 0 9,059
Issuance of restricted shares, net (11) 0 (3,091) 1,772 0 0 (1,330)
Share repurchase   0 0 (8,367) 0   (10,348)
Balances at Dec. 31, 2021 161 24 149,406 (23,662) (1,306) 225,076 349,699
Net income 0 0 0 0 0 108,682 108,682
Share repurchase 0 0 0 (84,723) 0 0 (84,723)
Other comprehensive income (loss) 0 0 0 0 2,392 0 2,392
Stock-based employee compensation expense 0 0 6,587 0 0 0 6,587
Issuance of restricted shares, net 0 0 (3,157) 1,551 0 0 (1,606)
Cash dividend 0 0 0 0 0 (4,287) (4,287)
Share repurchase 0 0 0 (84,723) 0 0 (84,723)
Exercise of stock options 0 0 50 334 0 0 384
Balances at Dec. 31, 2022 $ 161 $ 24 $ 152,886 $ (106,500) $ 1,086 $ 329,471 $ 377,128