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Shareholders' Equity and Share Based Compensation - Summary of Performance base restricted share unit activity (Detail) - Performance-Based Restricted Share Unit [Member] | 9 Months Ended
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Sep. 30, 2022 $ / shares shares
Share Based Compensation Shares Authorized Under Stock Option Plans Exercise Price Range [Line Items] |
Number of Performance-based Restricted Share Units, Beginning balance | shares | 230,000
Number of Performance-based Restricted Share Units, Exercised | shares | (165,000)
Number of Performance-based Restricted Share Units, Ending balance | shares | 65,000
Number of Performance-based Restricted Share Units, Exercisable | shares | 35,000
Weighted Average Grant Date Fair Value, Beginning balance | $ / shares | $ 6.66
Weighted Average Grant Date Fair Value, Exercised | $ / shares | 6.01
Weighted Average Grant Date Fair Value, Ending balance | $ / shares | 8.31
Weighted Average Grant Date Fair Value, Exercisable | $ / shares | $ 8.31

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- Definition The number of non-vested equity-based payment instruments, excluding stock (or unit) options, that validly exist and are outstanding as of the balance sheet date. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(2)(ii) -URI https://asc.fasb.org/extlink&oid=128089324&loc=d3e5070-113901 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(2)(i) -URI https://asc.fasb.org/extlink&oid=128089324&loc=d3e5070-113901 + Details
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- Definition Per share or unit weighted-average fair value of nonvested award under share-based payment arrangement. Excludes share and unit options. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(2)(i) -URI https://asc.fasb.org/extlink&oid=128089324&loc=d3e5070-113901 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(2)(ii) -URI https://asc.fasb.org/extlink&oid=128089324&loc=d3e5070-113901 + Details
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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
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- Definition Share-based compensation arrangement by share based payment award, equity instruments other than options, exercises in period. + References No definition available. + Details
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- Definition Share-based compensation arrangement by share based payment award, equity instruments other than options, exercises in period, weighted average grant date fair value. + References No definition available. + Details
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