• Filing Date: 2018-03-07
  • Form Type: 10-K
  • Description: Annual report
v3.8.0.1
Long-Term Debt (4% Promissory Note) - Additional Information (Detail) - USD ($)
$ in Thousands
12 Months Ended
Jan. 14, 2016
Dec. 31, 2017
Dec. 31, 2016
Debt Instrument [Line Items]      
Proceeds from the issuance of long-term debt   $ 143,859 $ 18,200
4% Promissory Note [Member]      
Debt Instrument [Line Items]      
Secured loan agreement period 15 years    
Proceeds from the issuance of long-term debt $ 9,200    
Fixed annual interest rate 4.00% 4.00%  
Debt instrument, payment frequency description 180 monthly    
Debt instrument periodic payment $ 68    
Debt instruments, payment terms description   The promissory note may be repaid in full after February 1, 2017 as long as the Company provides at least 60 days' written notice and pays a prepayment premium as specified in the loan agreement. The proceeds were used for real estate development projects or other general business purposes.