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Stock-based Compensation and Outstanding Awards - Additional Information (Detail) - USD ($) | 12 Months Ended
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Dec. 31, 2020 | Dec. 31, 2019 | Dec. 31, 2018
Share Based Compensation Arrangement By Share Based Payment Award [Line Items] |  |  |
Company common stock were authorized for grant | 16,000,000 |  |
Stock-based compensation expense | $ 6,000,000 | $ 13,000,000 | $ 16,000,000
Tax effected benefit for share-based compensation arrangements | $ 1,000,000 | $ 3,000,000 | $ 3,000,000
Share-based compensation arrangement by share-based payment award, options, contractual term | 3 years 4 months 20 days |  |
Weighted-average grant-date fair value of options granted | $ 3.59 | $ 6.02 | $ 3.95
Maximum [Member] |  |  |
Share Based Compensation Arrangement By Share Based Payment Award [Line Items] |  |  |
Aggregate intrinsic value, Exercised or settled | $ 1,000,000 | $ 1,000,000 | $ 1,000,000
Maximum [Member] | Management Employees [Member] |  |  |
Share Based Compensation Arrangement By Share Based Payment Award [Line Items] |  |  |
Stock based awards, vested, number of years | 1 year |  |
Stock Options [Member] |  |  |
Share Based Compensation Arrangement By Share Based Payment Award [Line Items] |  |  |
Stock based awards, vested, number of years | 3 years |  |
Unrecognized compensation costs | $ 3,000,000 |  |
Expected to be recognized over a weighted average period | 1 year 4 months 24 days |  |
Number of stock options exercised | 0 |  |
Stock Options [Member] | Maximum [Member] |  |  |
Share Based Compensation Arrangement By Share Based Payment Award [Line Items] |  |  |
Share-based compensation arrangement by share-based payment award, options, contractual term | 10 years |  |
Stock Options [Member] | Minimum [Member] |  |  |
Share Based Compensation Arrangement By Share Based Payment Award [Line Items] |  |  |
Share-based compensation arrangement by share-based payment award, options, contractual term | 7 years |  |
Restricted Stock [Member] | Cliff Vests After Year One [Member] |  |  |
Share Based Compensation Arrangement By Share Based Payment Award [Line Items] |  |  |
Stock based awards, vested, number of years | 1 year |  |
Restricted Stock [Member] | Cliff Vests After Year Three [Member] |  |  |
Share Based Compensation Arrangement By Share Based Payment Award [Line Items] |  |  |
Stock based awards, vested, number of years | 3 years |  |
Restricted Stock [Member] | Cliff Vests After Year Six [Member] |  |  |
Share Based Compensation Arrangement By Share Based Payment Award [Line Items] |  |  |
Stock based awards, vested, number of years | 6 years |  |
Restricted Stock and Restricted Stock Units [Member] |  |  |
Share Based Compensation Arrangement By Share Based Payment Award [Line Items] |  |  |
Unrecognized compensation costs | $ 3,000,000 |  |
Expected to be recognized over a weighted average period | 1 year 1 month 6 days |  |
Weighted average grant date fair value, Granted | $ 8.78 | $ 13.42 | $ 10.82
Fair value of shares vested | $ 4,000,000 | $ 12,000,000 | $ 7,000,000
Performance-base restricted stock [Member] |  |  |
Share Based Compensation Arrangement By Share Based Payment Award [Line Items] |  |  |
Stock based awards, vested, number of years | 3 years |  |
Unrecognized compensation costs | $ 1,000,000 |  |
Expected to be recognized over a weighted average period | 1 year 3 months 18 days |  |
Weighted average grant date fair value, Granted | $ 12.12 | $ 17.69 | $ 11.81
Performance-based awards granted, percentage, minimum threshold met | 0.00% |  |
Performance-based awards granted, percentage, maximum threshold met | 200.00% |  |
Performance-base restricted stock [Member] | Maximum [Member] |  |  |
Share Based Compensation Arrangement By Share Based Payment Award [Line Items] |  |  |
Vest-date fair value vested during period | $ 1,000,000 |  |
TSR metric [Member] |  |  |
Share Based Compensation Arrangement By Share Based Payment Award [Line Items] |  |  |
Performance based restricted stock awards granted in percent | 50.00% |  |
Performance based restricted stock awards goals over performance period | 3 years |  |
EBITDA metric [Member] |  |  |
Share Based Compensation Arrangement By Share Based Payment Award [Line Items] |  |  |
Performance based restricted stock awards granted in percent | 25.00% |  |
Performance based restricted stock awards goals over performance period | 3 years |  |
Return on Capital Employed (ROCE) metric [Member] |  |  |
Share Based Compensation Arrangement By Share Based Payment Award [Line Items] |  |  |
Performance based restricted stock awards granted in percent | 25.00% |  |
Performance based restricted stock awards goals over performance period | 3 years |  |

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- Definition The weighted average fair value at grant date for nonvested equity-based awards issued during the period on other than stock (or unit) option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, performance target plan). + 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)(iii)(1) -URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901 + Details
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