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Derivative Financial Instruments - Summary of Fair Value of Financial Assets and Financial Liabilities (Detail) - TRY (₺) ₺ in Thousands | 12 Months Ended |
--- | --- | ---
Dec. 31, 2018 | Dec. 31, 2017
Disclosure of detailed information about financial instruments [line items] |  |
Fair value assets | ₺ 709,617 | ₺ 961,665
Fair value liabilities | 131,097 | 17,724
Fair value assets | 730,924 | 0
Level 2 [member] | Currency swap contracts [member] |  |
Disclosure of detailed information about financial instruments [line items] |  |
Fair value assets | ₺ 656,302 |
Fair value liabilities |  | (4,675)
Valuation Techniques | Present value of the estimated future cash flows based on observable yield curves and end period FX rates |
Level 2 [member] | Currency swap contracts [member] | Held for trading [member] |  |
Disclosure of detailed information about financial instruments [line items] |  |
Fair value assets | ₺ 602,719 |
Fair value liabilities |  | (4,675)
Level 2 [member] | Currency swap contracts [member] | Derivatives assets used for hedging [member] |  |
Disclosure of detailed information about financial instruments [line items] |  |
Fair value assets | ₺ 53,583 |
Level 2 [member] | Currency forward contracts [member] |  |
Disclosure of detailed information about financial instruments [line items] |  |
Fair value liabilities |  | (2,246)
Valuation Techniques | Forward exchange rates at the balance sheet date |
Level 2 [member] | Currency forward contracts [member] | Held for trading [member] |  |
Disclosure of detailed information about financial instruments [line items] |  |
Fair value liabilities |  | (2,246)
Level 3 [member] | Participating cross currency swap contracts [member] |  |
Disclosure of detailed information about financial instruments [line items] |  |
Fair value assets | ₺ 653,142 | 950,862
Valuation Techniques | Pricing models based on discounted cash Present value of the estimated future cash flows based on unobservable yield curves and end period FX rates |
Level 3 [member] | Participating cross currency swap contracts [member] | Held for trading [member] |  |
Disclosure of detailed information about financial instruments [line items] |  |
Fair value assets |  | ₺ 950,862
Fair value liabilities | ₺ (24,199) |
Level 3 [member] | Participating cross currency swap contracts [member] | Derivatives assets used for hedging [member] |  |
Disclosure of detailed information about financial instruments [line items] |  |
Fair value assets | ₺ 677,341 |

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- Definition The amount of derivative financial assets held for hedging. [Refer: Derivative financial assets] + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name IAS -Number 1 -IssueDate 2018-01-01 -Paragraph 55 -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=1&date=2018-03-01&anchor=para_55&doctype=Standard -URIDate 2018-03-16 + Details
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- Definition The amount of derivative financial assets held for trading. [Refer: Derivative financial assets; Financial assets at fair value through profit or loss, classified as held for trading] + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name IAS -Number 1 -IssueDate 2018-01-01 -Paragraph 55 -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=1&date=2018-03-01&anchor=para_55&doctype=Standard -URIDate 2018-03-16 + Details
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- Definition The description of the valuation techniques (for example, the market approach, cost approach and income approach) used for the fair value measurement of the entity's own equity instruments. [Refer: Valuation techniques [member]; Cost approach [member]; Income approach [member]; Market approach [member]] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 13 -IssueDate 2018-01-01 -Paragraph 93 -Subparagraph d -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IFRS&num=13&date=2018-03-01&anchor=para_93_d&doctype=Standard -URIDate 2018-03-16 + Details
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