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Stock-Based Compensation (Details) | 6 Months Ended
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Jun. 30, 2021 plan $ / shares shares
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
Number of equity compensation plans (plan) | plan | 2
Long-Term Incentive Plan | Time Vested Stock Awards |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
Shares granted (in shares) | shares | 57,196
Shares granted, weighted average grant date fair value (in dollars per share) | $ / shares | $ 66.80
Shares vested (in shares) | shares | 87,584
Shares vested, weighted average grant date fair value (in dollars per share) | $ / shares | $ 29.20
Long-Term Incentive Plan | Time Vested Stock Awards | Employees |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
Award vesting period | 3 years
Service period | 3 years
Long-Term Incentive Plan | Time Vested Stock Awards | Non-employee Directors |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
Award vesting period | 1 year
Long-Term Incentive Plan | Performance Awards | Employees |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
Shares granted (in shares) | shares | 42,091
Shares granted, weighted average grant date fair value (in dollars per share) | $ / shares | $ 80.11
Service period | 2 years 9 months 18 days
Long-Term Incentive Plan | Performance Awards | Employees | Minimum |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
Percentage of potential target shares awarded | 0.00%
Long-Term Incentive Plan | Performance Awards | Employees | Maximum |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
Percentage of potential target shares awarded | 200.00%
Long-Term Incentive Plan | Stock Options | Employees |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
Shares exercised (in shares) | shares | 18,640
Shares exercised, weighted average exercise price (in dollars per share) | $ / shares | $ 23.02

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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 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=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 equity-based payment instruments, excluding stock (or unit) options, that vested 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)(2)(iii)(2) -URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901 + Details
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- Definition The weighted average fair value as of grant date pertaining to an equity-based award plan other than a stock (or unit) option plan for which the grantee gained the right during the reporting period, by satisfying service and performance requirements, to receive or retain shares or units, other instruments, or cash in accordance with the terms of the 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 (c)(2)(iii)(2) -URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901 + Details
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