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Earnings Per Share (Tables) | 12 Months Ended
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Dec. 31, 2018
Earnings Per Share [Abstract] |
Schedule of Dilutive Effect of Stock Options RSUs and PSAs | The dilutive effect of stock options, RSUs, and performance shares for each period reported is summarized below:
(in thousands) |  | 2018 |  |  | 2017 |  |  | 2016 |
Basic weighted-average shares outstanding |  |  | 18,797 |  |  |  | 18,766 |  |  |  | 18,989 |
Effect of potential exercise of stock options, RSUs, and performance shares |  |  | 538 |  |  |  | 478 |  |  |  | 427 |
Diluted weighted-average shares outstanding |  |  | 19,335 |  |  |  | 19,244 |  |  |  | 19,416 |

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- Definition Tabular disclosure of an entity's basic and diluted earnings per share calculations, including a reconciliation of numerators and denominators of the basic and diluted per-share computations for income from continuing operations. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6371337&loc=d3e3550-109257 + Details
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