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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, 2019 $ 173 $ 24 $ 141,885 $ 0 $ (1,014) $ 209,043 $ 350,111
Net income (loss) 0 0 0 0 0 (42,718) (42,718)
Share repurchase 0 0 0 (17,486) 0 0 (17,486)
Other comprehensive income (loss) 0 0 0 0 (1,237) 0 (1,237)
Stock-based employee compensation expense 0 0 2,270 0 0 0 2,270
Issuance of restricted shares, net 0 0 (717) 419 0 0 (298)
Balances at Dec. 31, 2020 173 24 143,438 (17,067) (2,251) 166,325 290,642
Net income (loss) 0 0 0 0 0 60,731 60,731
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 (1)            
Share repurchase   0 0 (8,367) 0 (1,980) (10,348)
Balances at Dec. 31, 2021 $ 161 $ 24 $ 149,406 $ (23,662) $ (1,306) $ 225,076 $ 349,699