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Loans and Borrowings - Additional Information (Detail)
₺ in Thousands, € in Thousands, ¥ in Thousands, $ in Thousands
 12 Months Ended
Dec. 31, 2018
TRY (₺)
Dec. 31, 2018
TRY (₺)
Dec. 31, 2019
TRY (₺)
Dec. 31, 2018
USD ($)
Dec. 31, 2018
EUR (€)
Dec. 31, 2018
CNY (¥)
Apr. 11, 2018
USD ($)
Mar. 31, 2018
TRY (₺)
Dec. 31, 2017
EUR (€)
Disclosure Of Loans And Borrowings [line items]                  
Bond issuance, principal amount | $             $ 500,000    
Bond issuance, maturity period   10 years              
Bond issuance, redemption date   Apr. 11, 2028              
Bond issuance, re-offer price   97.80%              
Bonds purchased, nominal value | $       $ 15,500          
Issuance of lease certificate ₺ 75,000 ₺ 75,000           ₺ 125,000  
Top of range [member] | Private placement or institutional investors [member]                  
Disclosure Of Loans And Borrowings [line items]                  
Issuance of lease certificate ₺ 300,000 300,000              
Top of range [member] | Private placement or institutional investors [member] | Lease certificate issuance [member]                  
Disclosure Of Loans And Borrowings [line items]                  
Issuance of lease certificate     ₺ 500,000            
China Development Bank [member]                  
Disclosure Of Loans And Borrowings [line items]                  
Borrowings, unutilized portion | €                 € 690,000
Borrowings, committed line | €         € 750,000        
Borrowings, utilized portion       $ 140,000 € 100,000 ¥ 251,089      
China Development Bank [member] | Other foreign currency (RMB) [member]                  
Disclosure Of Loans And Borrowings [line items]                  
Borrowings, interest rate description 5.5                
China Development Bank [member] | USD [member]                  
Disclosure Of Loans And Borrowings [line items]                  
Borrowings, interest rate description LIBOR + 2.2                
China Development Bank [member] | RMB equivalent to TL [member]                  
Disclosure Of Loans And Borrowings [line items]                  
Borrowings, utilized portion ₺ 191,337 191,337              
China Development Bank [member] | USD equivalent to TL [member]                  
Disclosure Of Loans And Borrowings [line items]                  
Borrowings, utilized portion 736,526 736,526              
China Development Bank [member] | EUR equivalent to TL [member]                  
Disclosure Of Loans And Borrowings [line items]                  
Borrowings, utilized portion ₺ 602,800 ₺ 602,800              
LIBOR [member] | China Development Bank [member] | USD [member]                  
Disclosure Of Loans And Borrowings [line items]                  
Borrowings, variable interest rate 2.20% 2.20%   2.20% 2.20% 2.20%      
EURIBOR [member] | China Development Bank [member] | Other foreign currency (RMB) [member]                  
Disclosure Of Loans And Borrowings [line items]                  
Borrowings, fixed interest rate 5.50%                
EURIBOR [member] | China Development Bank [member] | EUR [member]                  
Disclosure Of Loans And Borrowings [line items]                  
Borrowings, variable interest rate 2.20% 2.20%   2.20% 2.20% 2.20%      
Fixed rate instruments [member]                  
Disclosure Of Loans And Borrowings [line items]                  
Bond issuance, fixed coupon rate   5.80%