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Weighted Average Common Shares - Additional Information (Detail) - shares | 12 Months Ended
--- | ---
Dec. 31, 2021 | Dec. 31, 2020 | Dec. 31, 2019
Employee Stock Option [Member] |  |  |
Anti-dilutive awards excluded from computations of diluted earnings per share | 400,000 | 500,000 | 700,000
Common Stock [Member] |  |  |
Weighted average number of shares issued | 27,000 | 29,000 | 16,000
Common Stock [Member] | Maximum [Member] |  |  |
Weighted average number of shares issued | 100,000 | 100,000 | 100,000

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- Definition Securities (including those issuable pursuant to contingent stock agreements) that could potentially dilute basic earnings per share (EPS) or earnings per unit (EPU) in the future that were not included in the computation of diluted EPS or EPU because to do so would increase EPS or EPU amounts or decrease loss per share or unit amounts for the period presented. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=124432515&loc=d3e3550-109257 + Details
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