Quarterly report pursuant to Section 13 or 15(d)

Commitments and Contingencies - Additional Information Credit Agreement (Detail)

v3.20.1
Commitments and Contingencies - Additional Information Credit Agreement (Detail) - USD ($)
 3 Months Ended
Mar. 31, 2020
Mar. 31, 2019
Line of Credit Facility [Line Items]    
Senior secured revolving credit facility maximum borrowing capacity $ 60,000,000.0  
Standby letters of credit borrowing capacity 10,000,000.0  
Standby letters of credit, utilized amount $ 533,000  
Credit agreement, unused capacity, commitment fee percentage 0.10%  
Interest expense $ 283,000 $ 349,000
Minimum EBITDAR coverage ratio 1.25%  
Maximum Total Funded Debt to EBITDA ratio 2.00%  
Credit agreement, pledge percentage 100.00%  
Fluctuating rate per annum 2.00%  
LIBOR [Member]    
Line of Credit Facility [Line Items]    
Base spread on variable rate 1.50%  
Federal Funds Rate [Member]    
Line of Credit Facility [Line Items]    
Base spread on variable rate 1.50%  
Credit Agreement [Member]    
Line of Credit Facility [Line Items]    
Interest expense $ 22,000 $ 26,000
Credit agreement, amount outstanding $ 0  
Minimum [Member] | LIBOR [Member]    
Line of Credit Facility [Line Items]    
Base spread on variable rate 0.875%