• Filing Date: 2019-03-08
  • Form Type: 10-K
  • Description: Annual report
v3.10.0.1
Long-Term Debt (3.95% Promissory Note) - Additional Information (Detail)
$ in Thousands
12 Months Ended
Feb. 27, 2017
USD ($)
Dec. 31, 2018
USD ($)
Dec. 31, 2017
USD ($)
Dec. 31, 2016
USD ($)
Debt Instrument [Line Items]        
Outstanding balance under revolving credit facility     $ 9,441  
Additional borrowings from revolving credit facility   $ 6,000 $ 143,859 $ 18,200
3.95% Promissory Note [Member]        
Debt Instrument [Line Items]        
Outstanding balance under revolving credit facility $ 9,441      
Additional borrowings from revolving credit facility 109      
Maximum borrowing limit $ 9,550      
Fixed annual interest rate 3.95% 3.95%    
Debt instrument periodic payment $ 50      
Debt instrument, payment frequency description Monthly      
Number of installment payments 35      
Date of initial payment Mar. 17, 2017      
Debt instrument, balloon payment to be paid $ 8,891      
Debt instruments, payment terms description The promissory note may be repaid in part or in full at any time without penalty.      
Outstanding principal and interest payment due date Feb. 17, 2020