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Stock-Based Compensation - Additional Information (Detail) - USD ($) $ / shares in Units, $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2021 | Dec. 31, 2020 | Dec. 31, 2019
Restricted Stock Units (RSU) |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |
Cumulative performance targets | 3 years |  |
Additional service period | 5 years |  |
Performance Share Awards (PSAs) |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |
Cumulative performance targets | 2 years |  |
Additional service period | 1 year |  |
Grants under performance share awards (in shares) | 162,480 | 171,150 | 218,422
Weighted average grant date fair value (in dollars per share) | $ 16.71 | $ 16.65 | $ 15.86
Restricted Stock Units (RSU) and Performance Share Awards (PSAs) |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |
Grants under performance share awards (in shares) | 374,931,000 | 400,854,000 | 600,820,000
Unrecognized compensation expense for outstanding RSUs and PSAs | $ 3.6 |  |
The weighted average remaining period over which the expense will be recognized | 1 year 4 months 24 days |  |
Stock Only Stock Appreciation Rights (SOSARs) |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |
Vesting period of stock | 3 years |  |
Share-based payment award, shares issued in period (in shares) | 0 | 0 | 0
Intrinsic value of SOSARs vested and expected to vest | $ 0.2 |  |
The remaining weighted average contractual life of outstanding SOSARs | 2 years 6 months |  |
Long Term Incentive Plan |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |
Common stock available for future issuance (in shares) | 1,628,094 |  |

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- Definition Share based compensation arrangement by share based payment award equity instruments other than options cumulative performance target period. + References No definition available. + 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://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=120381028&loc=d3e5070-113901 + Details
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- Definition Amount of cost to be recognized for nonvested award under share-based payment arrangement. Excludes share and unit options. + 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=120381028&loc=d3e5070-113901 + Details
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- Definition Estimated period over which an employee is required to provide service in exchange for the equity-based payment award, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the 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 (a)(1) -URI http://asc.fasb.org/extlink&oid=120381028&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://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(2)(i)-(ii) -URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901 + Details
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