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Income Taxes - Additional Information (Detail) - USD ($) | 6 Months Ended |  |
--- | --- | --- | ---
Jun. 30, 2021 | Dec. 31, 2020 | Mar. 31, 2020
Operating Loss Carryforwards [Line Items] |  |  |
Other deferred tax assets, net | $ 27,600,000 | $ 26,700,000 |
Income taxes receivable | 4,018,210 | $ 3,089,369 | $ 1,600,000
Parent Company [Member] |  |  |
Operating Loss Carryforwards [Line Items] |  |  |
Valuation allowance related to the portion of operating loss carryforwards | $ 7,900,000 |  |
Earliest Tax Year [Member] |  |  |
Operating Loss Carryforwards [Line Items] |  |  |
Tax years open for examination | 2016 |  |
Latest Tax Year [Member] |  |  |
Operating Loss Carryforwards [Line Items] |  |  |
Tax years open for examination | 2020 |  |

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