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Consolidated Statements of Equity - USD ($)
$ in Thousands
Common Stock [Member]
Additional Paid-in Capital [Member]
Retained Earnings [Member]
AOCI Attributable to Parent [Member]
Total
Balances (in shares) at Dec. 31, 2017 26,106,623        
Balance at Dec. 31, 2017 $ 5,100 $ 526 $ 332,378 $ (12,509) $ 325,495
Net income     39,979 39,979
Other comprehensive income (loss)       (8,844) (8,844)
Reclassification of stranded income tax effects in accumulated other comprehensive income 2,070 (2,070) 0
Stock based compensation and other (in shares) 10,422        
Stock based compensation and other $ 2 2,013 38 2,053
Cash dividends (65,551) (65,551)
Stock based compensation 2 2,013 38 2,053
Cash dividends (65,551) (65,551)
Balances (in shares) at Dec. 31, 2018 26,117,045        
Balance at Dec. 31, 2018 $ 5,102 2,539 308,914 (23,423) 293,132
Net income     35,815   35,815
Other comprehensive income (loss)         (5,114)
Stock based compensation and other (in shares) 19,836        
Stock based compensation and other $ 4 948 73   1,025
Cash dividends     (14,370)   (14,370)
Other comprehensive loss (5,114) (5,114)
Stock based compensation $ 4 948 73   1,025
Treasury share repurchases (in shares) (69,379)        
Treasury share repurchases $ (15) (2,340) (255) (2,610)
Cash dividends     (14,370)   (14,370)
Balances (in shares) at Dec. 31, 2019 26,067,502        
Balance at Dec. 31, 2019 $ 5,091 1,147 330,177 (28,537) 307,878
Net income 25,188 25,188
Other comprehensive income (loss)         (1,840)
Stock based compensation and other (in shares) 45,338        
Stock based compensation and other   (135)     42
Cash dividends     (15,394)   (15,394)
Other comprehensive loss (1,840) (1,840)
Stock based compensation   (135)     42
Treasury share repurchases (in shares) (10,848)        
Treasury share repurchases $ (2) (319) (40) (361)
Cash dividends     (15,394)   (15,394)
Balances (in shares) at Dec. 31, 2020 26,101,992        
Balance at Dec. 31, 2020 $ 5,099 $ 693 $ 340,098 $ (30,377) $ 315,513