Quarterly report pursuant to Section 13 or 15(d)

Debt - Additional Information (Detail)

v3.19.3.a.u2
Debt - Additional Information (Detail) - USD ($)
Dec. 31, 2019
Oct. 01, 2019
Sep. 30, 2019
BBVA Revolving Credit Facility      
Subsequent Event [Line Items]      
Line of credit, maximum borrowing capacity $ 30,000,000.0    
BBVA Revolving Credit Facility | BBVA Credit Agreement      
Subsequent Event [Line Items]      
Line of credit, maximum borrowing capacity   $ 54,700,000 $ 10,000,000.0
BBVA Term Loan      
Subsequent Event [Line Items]      
Debt instrument, face amount $ 82,000,000.0    
BBVA Term Loan | BBVA Credit Agreement      
Subsequent Event [Line Items]      
Debt instrument, face amount   10,000,000.0  
BBVA Term Loan | BBVA Credit Agreement | Interest Rate Swap      
Subsequent Event [Line Items]      
Notional amount   $ 5,900,000  
Fixed percentage rate   158.00%