Long-Term Debt - Summary of scheduled principal repayments on long-term debt including capital lease obligations (Details 2) $ in Thousands	Dec. 31, 2015 USD ($)
Long Term Debt Maturities Repayments Of Principal [Line Items]
2016	$ 629,840
2017	591,270
2018	1,383,186
2019	1,051,847
2020	963,797
Thereafter	1,882,894
Total	$ 6,502,834

Represents Long-term debt balance prior to the adoption of ASU as of balance sheet date.

No definition available.

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- Definition

Long Term Debt Maturities Repayments Of Principal [Line Items]

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No definition available.

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- Definition

Principal amount of long-term debt and capital lease obligation maturing after the fifth fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.

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No definition available.

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Data Type:	xbrli:monetaryItemType
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- Definition

Principal amount of long-term debt and capital lease obligation maturing in the fifth fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.

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No definition available.

+ Details

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- Definition

Principal amount of long-term debt and capital lease obligation maturing in the fourth fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.

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No definition available.

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- Definition

Principal amount of long-term debt and capital lease obligation maturing in the third fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.

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No definition available.

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- Definition

Principal amount of long-term debt and capital lease obligation maturing in the second fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.

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No definition available.

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- Definition

Principal amount of long-term debt and capital lease obligation maturing in the next fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.

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No definition available.

+ Details

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