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Share-Based Compensation - Summary of Nonvested Stock Option Activity and Related Information (Detail) - Stock Option shares in Thousands | 12 Months Ended
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Dec. 31, 2020 $ / shares shares
Shares |
Non-vested stock options outstanding at the beginning of the year (in shares) | shares | 2,066
Nonvested stock options, granted (in shares) | shares | 963
Nonvested stock options, Vested (in shares) | shares | (1,002)
Nonvested stock options, Forfeited (in shares) | shares | (121)
Non-vested stock options outstanding at the end of the year (in shares) | shares | 1,906
Weighted Average Grant Date Fair Value |
Non-vested stock options outstanding at the beginning of the year, weighted average grant date fair value (in USD per share) | $ / shares | $ 14.17
Weighted average grant date fair value, Granted (in USD per share) | $ / shares | 11.01
Weighted average grant date fair value, Vested (in USD per share) | $ / shares | 12.90
Weighted average grant date fair value, Forfeited (in USD per share) | $ / shares | 12.45
Non-vested stock options outstanding at the the end of the year, weighted average grant date fair value (in USD per share) | $ / shares | $ 13.34

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- Definition The number of grants made 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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- 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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- Definition Number of non-vested options outstanding. + References No definition available. + Details
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- Definition A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period. + 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 Weighted average grant-date fair value of non-vested options forfeited. + References No definition available. + Details
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- Definition Weighted average grant-date fair value of non-vested options outstanding. + References No definition available. + Details
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- Definition Number of options vested. + References No definition available. + Details
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