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Equity Based Plans - Amended and Restated Employee Stock Option Plans (Details) - shares | Dec. 31, 2021 | Mar. 17, 2016 | Mar. 16, 2016
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Share-based Compensation [Abstract] |  |  |
Number of shares authorized (in shares) | 2,700,000 |  |
Number of common shares available for grant (in shares) | 172,657 |  |
Amended 2003 Plan [Member] |  |  |
Share-based Compensation [Abstract] |  |  |
Number of shares authorized (in shares) | 2,100,000 | 2,100,000 | 1,750,000
Number of common shares available for grant (in shares) | 164,882 |  |
Maximum [Member] | Non Qualified Stock Options [Member] |  |  |
Share-based Compensation [Abstract] |  |  |
Number of shares authorized (in shares) | 600,000 |  |
Maximum [Member] | Amended 2003 Plan [Member] |  |  |
Share-based Compensation [Abstract] |  |  |
Number of common shares available for grant (in shares) | 2,100,000 |  |

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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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