Quarterly report pursuant to Section 13 or 15(d)

Debt - Lines Of Credit (Details)

v3.7.0.1
Debt - Lines Of Credit (Details) - USD ($)
Mar. 31, 2017
Dec. 31, 2016
Line of Credit Facility [Line Items]    
Credit line capacity $ 190,717,000  
Balance Outstanding $ 47,621,000 $ 47,321,000
JPMorgan Chase    
Line of Credit Facility [Line Items]    
Interest rate on borrowings at March 31, 2017 2.74%  
Credit line capacity $ 175,000,000  
Balance Outstanding $ 39,242,000 38,809,000
Itau Bank    
Line of Credit Facility [Line Items]    
Interest rate on borrowings at March 31, 2017 5.50%  
Credit line capacity $ 1,450,000  
Balance Outstanding $ 395,000 419,000
Bank of Chile    
Line of Credit Facility [Line Items]    
Interest rate on borrowings at March 31, 2017 6.60%  
Credit line capacity $ 2,500,000  
Balance Outstanding $ 1,566,000 1,619,000
BICE Bank    
Line of Credit Facility [Line Items]    
Interest rate on borrowings at March 31, 2017 5.50%  
Credit line capacity $ 2,000,000  
Balance Outstanding $ 592,000 1,538,000
BBVA Bank    
Line of Credit Facility [Line Items]    
Interest rate on borrowings at March 31, 2017 5.50%  
Credit line capacity $ 2,300,000  
Balance Outstanding 686,000 1,063,000
Security Bank    
Line of Credit Facility [Line Items]    
Balance Outstanding $ 0 0
Estado Bank    
Line of Credit Facility [Line Items]    
Interest rate on borrowings at March 31, 2017 5.50%  
Credit line capacity $ 2,400,000  
Balance Outstanding $ 2,010,000 1,870,000
Santander Bank    
Line of Credit Facility [Line Items]    
Interest rate on borrowings at March 31, 2017 5.50%  
Credit line capacity $ 3,000,000  
Balance Outstanding $ 2,266,000 1,196,000
Scotiabank    
Line of Credit Facility [Line Items]    
Interest rate on borrowings at March 31, 2017 5.00%  
Credit line capacity $ 1,300,000  
Balance Outstanding $ 864,000 789,000
Corpbanca    
Line of Credit Facility [Line Items]    
Interest rate on borrowings at March 31, 2017 5.00%  
Credit line capacity $ 500,000  
Balance Outstanding $ 0 18,000
Banco Bilbao Vizcaya    
Line of Credit Facility [Line Items]    
Interest rate on borrowings at March 31, 2017 2.90%  
Credit line capacity $ 267,000  
Balance Outstanding $ 0 $ 0