• Filing Date: 2020-03-06
  • Form Type: 10-K
  • Description: Annual report
Long-Term Debt (4% Promissory Note) - Additional Information (Detail) - 4% Promissory Note [Member]
$ in Thousands
Jan. 14, 2016
USD ($)
Dec. 31, 2019
Debt Instrument [Line Items]    
Fixed annual interest rate 4.00% 4.00%
Debt instrument, payment frequency description monthly  
Number of installment payments 180  
Debt instrument periodic payment $ 68  
Debt instruments, payment terms description The promissory note may be repaid in full as long as the Company provides at least 60 days’ written notice and pays a prepayment premium as specified in the loan agreement.