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Unamortized Stock-Based Compensation Expenses (Detail) - USD ($) $ in Thousands | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2022 | Sep. 30, 2021 | Sep. 30, 2022 | Sep. 30, 2021
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |
Stock-Based Compensation | $ 1,560 | $ 1,711 | $ 4,396 | $ 5,309
Unamortized Stock-Based Compensation | 11,450 | 12,066 | 11,450 | 12,066
Restricted Stock |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |
Stock-Based Compensation | 1,184 | 1,246 | 3,257 | 3,469
Unamortized Stock-Based Compensation | 8,010 | 8,277 | $ 8,010 | $ 8,277
Remaining Weighted Average Period (years) |  |  | 2 years | 2 years
Unrestricted Stock |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |
Stock-Based Compensation | 130 | 100 | $ 369 | $ 317
Unamortized Stock-Based Compensation | 347 | 267 | $ 347 | $ 267
Remaining Weighted Average Period (years) |  |  | 8 months 12 days | 8 months 12 days
Performance Based Restricted Stock |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |
Stock-Based Compensation | 246 | 365 | $ 770 | $ 1,523
Unamortized Stock-Based Compensation | $ 3,093 | $ 3,522 | $ 3,093 | $ 3,522
Remaining Weighted Average Period (years) |  |  | 1 year 10 months 24 days | 2 years

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- Definition Amount of cost not yet recognized for nonvested award under share-based payment arrangement. + 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 (i) -URI https://asc.fasb.org/extlink&oid=128089324&loc=d3e5070-113901 + Details
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- Definition Weighted-average period over which cost not yet recognized is expected to be recognized for award under share-based payment arrangement, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days. + 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 (i) -URI https://asc.fasb.org/extlink&oid=128089324&loc=d3e5070-113901 + Details
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- Definition Amount of noncash expense for share-based payment arrangement. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (a) -URI https://asc.fasb.org/extlink&oid=126954810&loc=d3e3602-108585 + Details
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