XML 104 R92.htm IDEA: XBRL DOCUMENT v3.19.1
Fair values (Table) (Details) - USD ($)
$ in Thousands
Dec. 31, 2018
Dec. 31, 2017
Disclosure of fair value measurement of assets [line items]    
Financial Liabilities at fair value $ 37,030 $ 41,219
Derivative financial instruments 831 0
Long -term borrowings 37,163 41,660
Long -term borrowings 50,439 50,132
Financial liabilities measured at fair value    
Disclosure of fair value measurement of assets [line items]    
Financial Liabilities at fair value 831  
Derivative financial instruments 831  
Financial liabilities not measured at fair value    
Disclosure of fair value measurement of assets [line items]    
Long -term borrowings 37,163 41,538
Long -term borrowings 37,163 41,538
Level 2    
Disclosure of fair value measurement of assets [line items]    
Financial Liabilities at fair value 37,030 $ 41,219
Level 3    
Disclosure of fair value measurement of assets [line items]    
Derivative financial instruments $ 831