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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 |  |  |

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