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Weighted Average Common Shares (Tables) | 12 Months Ended
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Dec. 31, 2020
Earnings Per Share [Abstract] |
Summary of Weighted Average Numbers of Common Shares Used to Compute Basic and Diluted Net (Loss) Income Per Share | The weighted average number of common shares used to compute basic and diluted net income per share for the years ended December 31, 2020, 2019 and 2018 were as follows:
| For the Year Ended December 31, |
| 2020 |  |  | 2019 |  |  | 2018 |
Basic common shares outstanding |  | 69,414 |  |  |  | 70,088 |  |  |  | 69,598 |
Common stock equivalents |  | 1,851 |  |  |  | 1,997 |  |  |  | 1,884 |
Diluted common shares outstanding |  | 71,265 |  |  |  | 72,085 |  |  |  | 71,482 |

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- Definition Tabular disclosure of the weighted average number of shares used in calculating basic net earnings per share (or unit) and diluted earnings per share (or unit). + 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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