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Stock-Based Compensation (Tables) | 9 Months Ended
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Sep. 30, 2020
Disclosure Of Compensation Related Costs Sharebased Payments [Abstract] |
Summary of ESPP Share Activity | The following is a summary of 2019 ESPP share activity for the nine months ended September 30, 2020:
|  | Shares |
Available for future purchases, January 1, 2020 |  |  | 438,434 |
Additional shares reserved under 2019 ESPP |  |  | 86,093 |
Purchases |  |  | (121,553 | )
Available for future purchases, September 30, 2020 |  |  | 402,974 |

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- Definition Tabular disclosure of employee stock purchase plan activity. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (g) -URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901 + Details
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