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Employee Benefits - Additional Information (Detail) - TRY (₺)	12 Months Ended
	Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2015
Classes of employee benefits expense [abstract]
Provision for annual leave	₺ 48,217,000	₺ 43,798,000
Defined contribution retirement plan	8,107,000	7,722,000	₺ 8,364,000
Expense from share-based payments	₺ 29,413,000	₺ 0

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- References

No definition available.

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- Definition

The amount of expense from share-based payment transactions with employees.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition

The amount of post-employment benefit expense relating to defined contribution plans. Defined contribution plans are post-employment benefit plans under which an entity pays fixed contributions into a separate entity (a fund) and will have no legal or constructive obligation to pay further contributions if the fund does not hold sufficient assets to pay all employee benefits relating to employee service in the current and prior periods.

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Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition

Provision for annual leave.

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No definition available.

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