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Employee Benefits - Summary of Equity-Based Awards for Employees (Details) | 3 Months Ended
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Mar. 31, 2021 $ / shares shares
Common Stock Awards |
Awards |
Nonvested common stock awards, Beginning balance (in shares) | shares | 231,280
Granted (in shares) | shares | 5,190
Forfeited/Cancelled (in shares) | shares | (274)
Nonvested common stock awards, Ending balance (in shares) | shares | 236,196
Weighted Average Grant Date Fair Value Per Share |
Nonvested performance-based stock awards, Beginning balance (in USD per share) | $ / shares | $ 48.05
Granted (in USD per share) | $ / shares | 123.32
Forfeited/Cancelled (in USD per share) | $ / shares | 36.51
Nonvested performance-based stock awards, Ending balance (in USD per share) | $ / shares | $ 49.72
Performance-Based Stock Awards |
Awards |
Nonvested performance-based stock awards/units, Beginning balance (in shares) | shares | 166,961
Share-based awards granted (in shares) | shares | 42,449
Forfeited/Cancelled (in shares) | shares | 0
Nonvested performance-based stock awards/units, Ending balance (in shares) | shares | 209,410
Weighted Average Grant Date Fair Value Per Share |
Nonvested performance-based stock awards/units, Beginning balance (in USD per share) | $ / shares | $ 59.97
Granted (in USD per share) | $ / shares | 123.32
Forfeited/Cancelled (in USD per share) | $ / shares | 0
Nonvested performance-based stock awards/units, Ending balance (in USD per share) | $ / shares | $ 72.81
Performance-Based Restricted Stock Units |
Awards |
Nonvested performance-based stock awards/units, Beginning balance (in shares) | shares | 13,273
Share-based awards granted (in shares) | shares | 0
Forfeited/Cancelled (in shares) | shares | (99)
Nonvested performance-based stock awards/units, Ending balance (in shares) | shares | 13,174
Weighted Average Grant Date Fair Value Per Share |
Nonvested performance-based stock awards/units, Beginning balance (in USD per share) | $ / shares | $ 36.51
Granted (in USD per share) | $ / shares | 0
Forfeited/Cancelled (in USD per share) | $ / shares | 36.51
Nonvested performance-based stock awards/units, Ending balance (in USD per share) | $ / shares | $ 36.51

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- Definition The number of equity-based payment instruments, excluding stock (or unit) options, that were forfeited during the reporting period. + 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)(1)(iv)(3) -URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901 + Details
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- Definition Weighted average fair value as of the grant date of equity-based award plans other than stock (unit) option plans that were not exercised or put into effect as a result of the occurrence of a terminating event. + 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)(3) -URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901 + Details
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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 The number of non-vested equity-based payment instruments, excluding stock (or unit) options, that validly exist and are outstanding as of the balance sheet date. + 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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- 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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- Definition Gross number of share options (or share units) granted during the period. + References No definition available. + Details
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- Definition The weighted average grant-date fair value of options granted during the reporting period as calculated by applying the disclosed option pricing methodology. + 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 (d)(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 Number of non-vested options forfeited. + References No definition available. + Details
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