XML 155 R140.htm IDEA: XBRL DOCUMENT v3.8.0.1
Financial assets and financial liabilities (Details Narrative)
S/ in Thousands, $ in Thousands
12 Months Ended
Dec. 31, 2017
PEN (S/)
Dec. 31, 2016
PEN (S/)
Dec. 31, 2017
USD ($)
Feb. 01, 2013
USD ($)
Disclosure of financial assets [line items]        
Gains (loss) and losses on derivatives held as cash flow hedges | S/ S/ 38,230 S/ 39,511    
Senior Notes [Member] | USD        
Disclosure of financial assets [line items]        
Notional amount       $ 300,000
Currency swap contract [Member] | Senior Notes [Member] | Hedging instruments [Member] | USD        
Disclosure of financial assets [line items]        
Notional amount     $ 300,000