DEBT OBLIGATIONS - Schedule of Repayments Maturities of Long-term Debt (Details) - USD ($) $ in Thousands	Jun. 30, 2016	Dec. 31, 2015
Debt Disclosure [Abstract]
2016 (last 6 months)	$ 1,648,775
2017	1,087,058
2018	279,016
2019	57,468
2020	113,802
Thereafter	1,208,225
Subtotal	4,394,344
Debt issuance costs included in senior unsecured notes	(5,172)
Premiums included in mortgage loan financing	5,797
Debt Obligations	$ 4,394,969	$ 4,274,723

Debt Obligations

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Sum of the carrying values as of the balance sheet date of all debt, including all short-term borrowings, long-term debt, and capital lease obligations.

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The amount of debt premium that was originally recognized at the issuance of the instrument that has yet to be amortized.

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For an unclassified balance sheet, the carrying amount (net of accumulated amortization) as of the balance sheet date of capitalized costs associated with the issuance of debt instruments (for example, legal, accounting, underwriting, printing, and registration costs) that will be charged against earnings over the life of the debt instruments to which such costs pertain.

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Amount of long-term debt payable, sinking fund requirements, and other securities issued that are redeemable by holder at fixed or determinable prices and dates 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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Amount of long-term debt payable, sinking fund requirements, and other securities issued that are redeemable by holder at fixed or determinable prices and dates 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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