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v3.22.4

Summary of Non-Vested Book Value Rights (Detail) - shares | 12 Months Ended
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Dec. 31, 2022 | Dec. 31, 2021 | Dec. 31, 2020
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items] |  |  |
BVR issued | 200,000 | 140,000 | 300,000
Non-Vested Book Value Rights |  |  |
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items] |  |  |
Non vested book value rights, beginning balance | 126,438 | 0 |
BVR issued | 179,096 | 131,438 |
BVR vested | (17,006) | 0 |
BVR forfeited | (59,505) | (5,000) |
Non vested book value rights, ending balance | 229,023 | 126,438 | 0

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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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Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

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- Definition Gross number of share options (or share units) granted during the period. + 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)(1)(iv)(01) -URI https://asc.fasb.org/extlink&oid=128089324&loc=d3e5070-113901 + Details
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Balance Type: | na
Period Type: | duration

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- Definition Number of non-vested options outstanding. + References No definition available. + Details
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- Definition Number of non-vested options forfeited. + References No definition available. + Details
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- Definition Number of options vested. + References No definition available. + Details
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- Details
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