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Compensation Plans - Expense Recognition of Deferred Compensation (Detail) - Restricted stock | Jun. 30, 2019 USD ($)
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Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
2019 (Remaining Period) | $ 3,639,099
2020 | 6,169,469
2021 | 4,888,910
2022 | 3,906,761
2023 | 1,674,718
Thereafter | 1,640,745
Total | $ 21,919,702

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