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Employee Benefits - Additional Information (Detail) - TRY (₺)
₺ in Thousands
12 Months Ended
Dec. 31, 2018
Dec. 31, 2017
Dec. 31, 2016
Classes of employee benefits expense [abstract]      
Provision for annual leave ₺ 64,134 ₺ 48,217  
Defined contribution retirement plan 9,361 8,107 ₺ 7,722
Expense from share-based payments ₺ 26,224 ₺ 29,413