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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, 2016 26,093,123        
Balance at Dec. 31, 2016 $ 5,097 $ 215 $ 318,041 $ (20,465) $ 302,888
Net income     26,555   26,555
Other comprehensive income (loss)       7,956 7,956
Stock based compensation (in shares) 13,500        
Stock based compensation $ 3 311 50 364
Cash dividends     (12,268)   (12,268)
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)
Stock based compensation (in shares) 10,422        
Stock based compensation $ 2 2,013 38 2,053
Cash dividends (65,551) (65,551)
Reclassification of stranded income tax effects in accumulated other comprehensive income 2,070 (2,070)
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) (5,114)
Stock based compensation (in shares) 19,836        
Stock based compensation $ 4 948 73 1,025
Cash dividends     (14,370)   (14,370)
Treasury share repurchases (in shares) (69,379)        
Treasury share repurchases $ (15) (2,340) (255) (2,610)
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