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Long-Term Debt - Term Loan Agreement - Additional Information (Detail) - Term Loan Agreement - USD ($)
6 Months Ended
Dec. 24, 2020
Dec. 16, 2019
Aug. 22, 2019
Jun. 30, 2021
Debt Instrument [Line Items]        
Credit agreement date       Aug. 22, 2019
Credit facility, maximum borrowing capacity     $ 150,000,000  
Debt maturity date     Jun. 10, 2022  
Maturity date       2022-06
Percentage of net cash proceeds from issuance of new senior indebtedness       100.00%
Minimum        
Debt Instrument [Line Items]        
Debt service coverage ratio       150.00%
Maximum        
Debt Instrument [Line Items]        
Debt to capitalization ratio, percentage the Company must not exceed at any time       50.00%
Revolving Credit Facility        
Debt Instrument [Line Items]        
Revolving credit facility description       Our revolving credit facility matures in two increments in 2024 and 2025.
London Interbank Offered Rate (LIBOR)        
Debt Instrument [Line Items]        
Debt instrument, basis spread on variable rate       1.375%
London Interbank Offered Rate (LIBOR) | Minimum        
Debt Instrument [Line Items]        
Debt instrument, basis spread on variable rate       1.00%
London Interbank Offered Rate (LIBOR) | Maximum        
Debt Instrument [Line Items]        
Debt instrument, basis spread on variable rate       1.375%
Base Rate        
Debt Instrument [Line Items]        
Debt instrument, basis spread on variable rate       0.375%
Base Rate | Minimum        
Debt Instrument [Line Items]        
Debt instrument, basis spread on variable rate       0.00%
Base Rate | Maximum        
Debt Instrument [Line Items]        
Debt instrument, basis spread on variable rate       0.375%
Subject To Customary Conditions        
Debt Instrument [Line Items]        
Credit facility, maximum borrowing capacity     $ 225,000,000  
Credit facility, additional borrowing capacity     $ 75,000,000  
Repayments of borrowings $ 50,000,000 $ 50,000,000    
Term Loan, amount outstanding       $ 50,000,000
Subject To Customary Conditions | London Interbank Offered Rate (LIBOR)        
Debt Instrument [Line Items]        
LIBOR-based interest rate       1.48%