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Summary of Activity Related To Time-based Restricted Stock Units (RSUs) and Performance-based Restricted Stock Units (PSUs) (Parenthetical) (Details) - Performance Stock Units (PSUs) [Member] - shares |  | 3 Months Ended
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Jan. 01, 2020 | Mar. 31, 2020
2015 Plan [Member] |  |
Share Based Compensation Arrangement By Share Based Payment Award [Line Items] |  |
Actual number of PSUs granted to each recipient, eligible to vest |  | 62,791
Percentage of target number of PSU's eligible to vest at "maximum" performance level |  | 200.00%
2018 Plan [Member] |  |
Share Based Compensation Arrangement By Share Based Payment Award [Line Items] |  |
Actual number of PSUs granted to each recipient, eligible to vest | 108,957 | 76,722
Percentage of target number of PSU's eligible to vest at "maximum" performance level |  | 70.40%
Decrease in number of PSUs granted, eligible to vest |  | (32,235)

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- Definition Share-based compensation arrangement by share-based payment award, equity instruments other than options, grants in period, eligible to vest upon condition. + References No definition available. + Details
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- Definition Share-based compensation arrangement by share-based payment award, equity instruments other than options, grants in period, eligible to vest upon condition, increase decrease. + References No definition available. + Details
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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=116856206&loc=d3e5070-113901 + Details
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