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Financial Instruments - Summary of Cash Flow Sensitivity Analysis for Variable Rate Instruments (Detail) - Liquidity risk [member] - TRY (₺)
₺ in Thousands
 12 Months Ended
Dec. 31, 2019
Dec. 31, 2018
Disclosure of detailed information about financial instruments [line items]    
100 bps increase in Profit or Loss ₺ (225,528) ₺ (234,196)
100 bps decrease in Profit or Loss 225,528 234,196
100 bps increase in Equity 0  
100 bps decrease in Equity 0  
Variable rate instruments [member]    
Disclosure of detailed information about financial instruments [line items]    
100 bps increase in Profit or Loss (225,528) (234,196)
100 bps decrease in Profit or Loss 225,528 ₺ 234,196
100 bps increase in Equity 0  
100 bps decrease in Equity ₺ 0