Annual report pursuant to Section 13 and 15(d)

Debt - Lines Of Credit (Details)

v3.8.0.1
Debt - Lines Of Credit (Details) - USD ($)
Dec. 31, 2017
Dec. 31, 2016
Line of Credit Facility [Line Items]    
Credit line capacity $ 197,320,000  
Line of credit $ 114,664,000 $ 47,321,000
JP Morgan Chase    
Line of Credit Facility [Line Items]    
Interest rate on borrowings, period end 3.27%  
Credit line capacity $ 175,000,000  
Line of credit $ 104,152,000 38,809,000
Itau Bank    
Line of Credit Facility [Line Items]    
Interest rate on borrowings, period end 5.50%  
Credit line capacity $ 1,810,000  
Line of credit $ 446,000 419,000
Bank of Chile    
Line of Credit Facility [Line Items]    
Interest rate on borrowings, period end 6.60%  
Credit line capacity $ 3,800,000  
Line of credit $ 1,598,000 1,619,000
BICE Bank    
Line of Credit Facility [Line Items]    
Interest rate on borrowings, period end 5.50%  
Credit line capacity $ 2,500,000  
Line of credit $ 1,819,000 1,538,000
BBVA Bank    
Line of Credit Facility [Line Items]    
Interest rate on borrowings, period end 5.50%  
Credit line capacity $ 3,250,000  
Line of credit $ 1,665,000 1,063,000
Security Bank    
Line of Credit Facility [Line Items]    
Interest rate on borrowings, period end 5.50%  
Credit line capacity $ 501,000  
Line of credit $ 501,000 0
Estado Bank    
Line of Credit Facility [Line Items]    
Interest rate on borrowings, period end 5.50%  
Credit line capacity $ 3,500,000  
Line of credit $ 2,111,000 1,870,000
Santander Bank    
Line of Credit Facility [Line Items]    
Interest rate on borrowings, period end 5.50%  
Credit line capacity $ 4,500,000  
Line of credit $ 1,988,000 1,196,000
Scotiabank    
Line of Credit Facility [Line Items]    
Interest rate on borrowings, period end 5.00%  
Credit line capacity $ 1,800,000  
Line of credit $ 384,000 789,000
Corpbanca    
Line of Credit Facility [Line Items]    
Interest rate on borrowings, period end 5.00%  
Credit line capacity $ 0  
Line of credit $ 0 18,000
Banco Bilbao Vizcaya    
Line of Credit Facility [Line Items]    
Interest rate on borrowings, period end 2.90%  
Credit line capacity $ 300,000  
Line of credit $ 0 0
Santander Bank    
Line of Credit Facility [Line Items]    
Interest rate on borrowings, period end 2.67%  
Credit line capacity $ 359,000  
Line of credit $ 0 $ 0