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Net Income Per Share (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 30, 2020 | Jun. 30, 2019 | Jun. 30, 2020 | Jun. 30, 2019
Earnings Per Share [Abstract] |  |  |  |
Net income attributable to common shareholders | $ 5,754 | $ 2,689 | $ 8,716 | $ 4,446
Basic weighted average shares outstanding (in shares) | 19,491 | 19,291 | 19,472 | 19,280
Basic earnings per share attributable to common shareholders (in dollars per share) | $ 0.30 | $ 0.14 | $ 0.45 | $ 0.23
Diluted shares outstanding: |  |  |  |
Basic weighted-average shares outstanding (in shares) | 19,491 | 19,291 | 19,472 | 19,280
Stock-based awards (in shares) | 292 | 311 | 253 | 316
Diluted weighted-average shares outstanding (in shares) | 19,783 | 19,602 | 19,725 | 19,596
Diluted earnings per share attributable to common shareholders (in dollars per share) | $ 0.29 | $ 0.14 | $ 0.44 | $ 0.23
Dilutive shares excluded from diluted-per-share amounts: |  |  |  |
Stock options (in shares) | 844 | 445 | 844 | 445
Anti-dilutive shares excluded from diluted-per-share amounts: |  |  |  |
Stock options (in shares) | 264 | 838 | 239 | 862

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