Foreign currency exchange rate for Us dollar.

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- Definition

Number of Days Flights Between Panama and Venezuela Cancelled

+ References

No definition available.

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- Definition

Percentage of consolidated revenues.

+ References

No definition available.

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- Definition

The description of the vesting requirements for a type of share-based payment arrangement that existed at any time during the period. An entity with substantially similar types of share-based payment arrangements may aggregate this information. [Refer: Share-based payment arrangements [member]]

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- Definition

Line items represent concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes of the table.

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- Definition

The amount of expense arising from share-based payment transactions in which the goods or services received did not qualify for recognition as assets.

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- Definition

The number of instruments granted in share-based payment arrangement.

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- Definition

The number of share options granted in a share-based payment arrangement.

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- Definition

The weighted average fair value at the measurement date of granted equity instruments other than share options. [Refer: Weighted average [member]]

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Subsequent Events - Additional Information (Detail) $ in Millions		3 Months Ended	12 Months Ended
	Apr. 05, 2018	Mar. 31, 2018 USD ($)	Dec. 31, 2017	Feb. 05, 2018
Revenue from Copa Airlines' flights to Venezuela [member]
Disclosure of non-adjusting events after reporting period [line items]
Percentage of consolidated revenue			5.00%
Subsequent event [member]
Disclosure of non-adjusting events after reporting period [line items]
Number of days flights between Panama and Venezuela cancelled	90 days
Subsequent event [member] \| Central Bank of Venezuela [member]
Disclosure of non-adjusting events after reporting period [line items]
Foreign exchange rate on first auction				25,000.0
Major ordinary share transactions [member]
Disclosure of non-adjusting events after reporting period [line items]
Non-vested stock, number of awards approved		3
Non-vested stock, grant		39,761
Estimated compensation cost		$ 5.4
Estimated compensation cost for next year		$ 2.5
Non-vested stock, vesting period		Vest over a period of three to five years