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Basis of Presentation and Summary of Significant Accounting Policies - Share-Based Compensation (Details) | 12 Months Ended
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Dec. 31, 2020 plan
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
Number of share-based compensation plans | 1
Minimum | Performance Shares |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
Share-based compensation arrangement, vesting percentage | 0.00%
Maximum | Performance Shares |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
Share-based compensation arrangement, vesting percentage | 100.00%

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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
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- Definition Percentage of vesting of award under share-based payment 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 (a)(1) -URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901 + Details
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