Description of Business and Summary of Significant Accounting Policies (EPS) (Details) - USD ($) shares in Thousands, $ in Thousands |
3 Months Ended | |
|---|---|---|
Mar. 31, 2017 |
Mar. 31, 2016 |
|
| Numerator: | ||
| Net income | $ 843 | $ 6,639 |
| Denominator: | ||
| Weighted average common stock outstanding for basic net income per common share (in shares) | 24,005 | 23,335 |
| Effect of dilutive securities—stock options and restricted stock units (in shares) | 1,652 | 651 |
| Weighted average common shares and dilutive securities outstanding (in shares) | 25,657 | 23,986 |