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Compensation Plans - Expense Recognition of Deferred Compensation (Detail) - Restricted Stock Units (RSUs) | Sep. 30, 2018 USD ($)
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Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
2018 (Remaining Period) | $ 1,850,410
2019 | 6,863,879
2020 | 5,399,940
2021 | 4,087,381
2022 | 3,100,248
Thereafter | 1,200,348
Total | $ 22,502,206

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- Definition Employee service share based compensation nonvested awards compensation cost not yet recognized in year five. + References No definition available. + Details
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- Definition Unrecognized cost of unvested share-based compensation awards. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (i) -URI http://asc.fasb.org/extlink&oid=96867065&loc=d3e5070-113901 + Details
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