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Notes Payable - Additional Information (Detail) - USD ($)
12 Months Ended
Dec. 07, 2020
Dec. 31, 2020
Notes Payable, Other Payables | Promissory Note    
Debt Instrument [Line Items]    
Principal amount   $ 12,500,000
Medium-term Notes    
Debt Instrument [Line Items]    
Principal amount   $ 170,000,000.0
Debt instrument, LIBOR floor rate   1.00%
Debt instrument, effective interest rate   7.50%
Debt instrument, covenant, net leverage ratio, maximum   4.75
Debt instrument, covenant, decrease net leverage ratio, minimum   2.5
Debt instrument, accordion feature $ 37,500,000  
Debt instrument, interest rate during period   8.90%
Medium-term Notes | London Interbank Offered Rate (LIBOR)    
Debt Instrument [Line Items]    
Debt instrument, basis spread on variable rate   6.50%
Medium-term Notes | Base Rate    
Debt Instrument [Line Items]    
Debt instrument, basis spread on variable rate   5.50%