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Stock-based Compensation - Additional Information (Detail) | 3 Months Ended
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Mar. 31, 2020
Stock Option and Stock Appreciation Rights (SARs) Granted Prior to 2017 [Member] |
Share Based Compensation Arrangement By Share Based Payment Award [Line Items] |
Vesting period | 2 years
Stock Option and Stock Appreciation Rights (SARS) Granted in 2017 [Member] |
Share Based Compensation Arrangement By Share Based Payment Award [Line Items] |
Vesting period | 3 years
Percentage of awards vesting in each year | 33.33%
Stock Option [Member] |
Share Based Compensation Arrangement By Share Based Payment Award [Line Items] |
Weighted average period for amortization of unrecognized compensation cost | 2 years 2 months 12 days
Stock Awards [Member] |
Share Based Compensation Arrangement By Share Based Payment Award [Line Items] |
Weighted average period for amortization of unrecognized compensation cost | 2 years 1 month 6 days
SARs [Member] |
Share Based Compensation Arrangement By Share Based Payment Award [Line Items] |
Weighted average period for amortization of unrecognized compensation cost | 2 years 2 months 12 days

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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://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (i) -URI http://asc.fasb.org/extlink&oid=116856206&loc=d3e5070-113901 + Details
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- Definition Period over which grantee's right to exercise award under share-based payment arrangement is no longer contingent on satisfaction of service or performance condition, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days. Includes, but is not limited to, combination of market, performance or service condition. + 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)(1) -URI http://asc.fasb.org/extlink&oid=116856206&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 Percentage of vesting of award 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)(1) -URI http://asc.fasb.org/extlink&oid=116856206&loc=d3e5070-113901 + Details
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- Details
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- Details
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- Details
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- Details
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