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Share-Based Compensation Plan - Plan Information (Details) - shares | 12 Months Ended |  |
--- | --- | --- | ---
Dec. 31, 2020 | May 06, 2019 | May 31, 2009
2019 Equity Incentive Plan |  |  |
Share-Based Compensation |  |  |
Awards authorized |  | 1,100,000 |
2019 Equity Incentive Plan | Restricted stock awards |  |  |
Share-Based Compensation |  |  |
Awards issued | 30,499 |  |
2019 Equity Incentive Plan | Restricted stock units |  |  |
Share-Based Compensation |  |  |
Awards issued | 49,604 |  |
2009 Plan |  |  |
Share-Based Compensation |  |  |
Awards authorized |  |  | 1,350,000
Number of shares available for grant |  | 0 |

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- Definition Number of shares authorized for issuance under share-based payment arrangement. + 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 (a)(3) -URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901 + Details
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- Definition The difference between the maximum number of shares (or other type of equity) authorized for issuance under the plan (including the effects of amendments and adjustments), and the sum of: 1) the number of shares (or other type of equity) already issued upon exercise of options or other equity-based awards under the plan; and 2) shares (or other type of equity) reserved for issuance on granting of outstanding awards, net of cancellations and forfeitures, if applicable. + 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 -URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901 + Details
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- Definition Number of shares issued under share-based payment arrangement. + 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 -URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901 + Details
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