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Earnings (Loss) Per Share - Calculation of Earnings Per Share (Details) - USD ($)
$ / shares in Units, shares in Thousands, $ in Thousands
 3 Months Ended 9 Months Ended
Sep. 30, 2022
Jun. 30, 2022
Mar. 31, 2022
Sep. 30, 2021
Jun. 30, 2021
Mar. 31, 2021
Sep. 30, 2022
Sep. 30, 2021
BASIC                
Net income (loss) $ 7,234 $ 2,988 $ (2,910) $ (955) $ 5,593 $ 6,993 $ 7,312 $ 11,631
Weighted-average common shares outstanding, basic (in shares) 12,656     13,392     12,709 13,622
Basic earnings (loss) per share (in dollars per share) $ 0.57     $ (0.07)     $ 0.58 $ 0.85
DILUTED                
Net income (loss) $ 7,234 $ 2,988 $ (2,910) $ (955) $ 5,593 $ 6,993 $ 7,312 $ 11,631
Weighted-average common shares outstanding, basic (in shares) 12,656     13,392     12,709 13,622
Dilutive effect of stock options, restricted stock and common stock warrants (in shares) 40     0     88 298
Weighted-average common shares outstanding on a diluted basis (in shares) 12,696     13,392     12,797 13,920
Diluted earnings (loss) per share (in dollars per share) $ 0.57     $ (0.07)     $ 0.57 $ 0.84