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CONSOLIDATED STATEMENTS OF CHANGES IN STOCKHOLDERS' EQUITY - USD ($)
shares in Thousands, $ in Thousands
Common Stock [Member]
Additional Paid- In Capital [Member]
Retained Earnings [Member]
Accumulated Other Comprehensive Income [Member]
Treasury Stock [Member]
Total
Balance at Dec. 31, 2013 $ 13   $ 97,700 $ 703   $ 98,416
Balance (in shares) at Dec. 31, 2013 13,143          
Share-based compensation   $ 3,918       3,918
Share-based compensation (in shares) 387          
Net shares repurchased for employee taxes   (1,152)       (1,152)
Net shares repurchased for employee taxes (in shares) (38)          
Share-based compensation tax benefit   275       275
Treasury stock purchases         $ (33,894) (33,894)
Treasury stock retirement $ (1) (1,909) (31,984)   33,894  
Treasury stock retirement (in shares) (1,127)          
Net income     13,181     13,181
Other comprehensive loss       (268)   (268)
Balance at Dec. 31, 2014 $ 12 1,132 78,897 435   80,476
Balance (in shares) at Dec. 31, 2014 12,365          
Options exercised by executives and directors   44       44
Options exercised by executives and directors (in shares) 2          
Share-based compensation   3,081       3,081
Share-based compensation (in shares) 51          
Net shares repurchased for employee taxes   (1,296)       (1,296)
Net shares repurchased for employee taxes (in shares) (40)          
Share-based compensation tax benefit   247       247
Cash dividends declared to stockholders     (3,013)     (3,013)
Treasury stock purchases         (10,516) (10,516)
Treasury stock retirement   (3,208) (7,308)   $ 10,516  
Treasury stock retirement (in shares) (364)          
Net income     20,058     20,058
Other comprehensive loss       (497)   (497)
Balance at Dec. 31, 2015 $ 12   88,634 (62)   88,584
Balance (in shares) at Dec. 31, 2015 12,014          
Options exercised by executives and directors   299       299
Options exercised by executives and directors (in shares) 12          
Share-based compensation   3,428       3,428
Share-based compensation (in shares) 41          
Net shares repurchased for employee taxes   (1,285) (57)     (1,342)
Net shares repurchased for employee taxes (in shares) (40)          
Share-based compensation tax benefit   230       230
Cash dividends declared to stockholders     (12,915)     (12,915)
Net income     17,835     17,835
Other comprehensive loss       (103)   (103)
Balance at Dec. 31, 2016 $ 12 $ 2,672 $ 93,497 $ (165)   $ 96,016
Balance (in shares) at Dec. 31, 2016 12,027