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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