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CONSOLIDATED STATEMENTS OF STOCKHOLDERS' EQUITY - USD ($)
shares in Thousands, $ in Thousands
Total
Preferred Stock [Member]
Common Stock [Member]
Additional Paid-in Capital [Member]
Accumulated Other Comprehensive Income (loss) [Member]
Retained Earnings [Member]
Balance at Dec. 31, 2014 $ 322,553 $ 0 $ 206 $ 151,111 $ 13 $ 171,223
Balance (in shares) at Dec. 31, 2014     20,792      
Net income 27,302 0 $ 0 0 0 27,302
Stock issued under compensation plans, net 1,923 0 $ 4 1,919 0 0
Stock issued under compensation plans, net (in shares)     413      
Tax benefit from stock-based awards 1,612 0 $ 0 1,612 0 0
Stock-based compensation expense 4,837 0 0 4,837 0 0
Shares repurchased (28,478) 0 $ (12) (12,130) 0 (16,336)
Shares repurchased (in shares)     (1,236)      
Other comprehensive income (loss) 103 0 $ 0 0 103 0
Reclassification of shares repurchased 0 0 0 13,965 0 (13,965)
Stock issued - other 28 0 $ 0 28 0 0
Stock issued - other (in shares)     0      
Balance at Dec. 31, 2015 329,880 0 $ 198 161,342 116 168,224
Balance (in shares) at Dec. 31, 2015     19,969      
Net income 21,431 0 $ 0 0 0 21,431
Stock issued under compensation plans, net 6,219 0 $ 6 6,213 0 0
Stock issued under compensation plans, net (in shares)     589      
Tax benefit from stock-based awards 2,044 0 $ 0 2,044 0 0
Stock-based compensation expense 4,674 0 0 4,674 0 0
Shares repurchased (100,587) 0 $ (42) (34,235) 0 (66,310)
Shares repurchased (in shares)     (4,228)      
Other comprehensive income (loss) (549) 0 $ 0 0 (549) 0
Stock issued - other 62 0 $ 0 62 0 0
Stock issued - other (in shares)     3      
Balance at Dec. 31, 2016 263,174 0 $ 162 140,100 (433) 123,345
Balance (in shares) at Dec. 31, 2016     16,333      
Net income 21,154 0 $ 0 0 0 21,154
Adjustment to adopt ASU No. 2016-09 0 0 0 225 0 (225)
Stock issued under compensation plans, net 1,232 0 $ 2 1,230 0 0
Stock issued under compensation plans, net (in shares)     224      
Stock-based compensation expense 4,376 0 $ 0 4,376 0 0
Shares repurchased (3,059) 0 $ (1) (2,025) 0 (1,033)
Shares repurchased (in shares)     (93)      
Other comprehensive income (loss) 134 0 $ 0 0 134 0
Stock issued - other 28 0 $ 0 28 0 0
Stock issued - other (in shares)     1      
Balance at Dec. 31, 2017 $ 287,039 $ 0 $ 163 $ 143,934 $ (299) $ 143,241
Balance (in shares) at Dec. 31, 2017     16,465