Earnings Per Share (Details)	12 Months Ended
Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
Weighted-average shares:
Common shares outstanding	80,389,349	73,652,996	70,716,963
Restricted common shares	588,077	593,616	587,813
Total weighted average shares	80,977,426ayr_TotalWeightedAverageShares	74,246,612ayr_TotalWeightedAverageShares	71,304,776ayr_TotalWeightedAverageShares
Percentage of weighted-average shares:
Common shares outstanding	99.27%	99.20%	99.18%
Restricted common shares	0.73%	0.80%	0.82%
Total	100.00%	100.00%	100.00%

Represents total expressed as a percentage of weighted average number of diluted shares outstanding.

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Represents incremental Common Shares Attributable to Participating unvested Shares with Non-forfeitable Dividend Rights expressed as a percentage of weighted average number of diluted shares outstanding.

+ References

No definition available.

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Total of basic weighted-average shares outstanding and nonvested share-based payment awards for the period.

+ References

No definition available.

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Represents basic weighted average number of shares outstanding expressed as a percentage of total weighted average number of diluted shares outstanding.

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No definition available.

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This element represents nonvested share-based payment awards that contain non-forfeitable rights to dividends or dividend equivalents (whether paid or unpaid). Basic and dilutive earnings per share are generally disclosed for such shares using the two-class method.

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Number of [basic] shares or units, after adjustment for contingently issuable shares or units and other shares or units not deemed outstanding, determined by relating the portion of time within a reporting period that common shares or units have been outstanding to the total time in that period.

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