Amount of outstanding long-term debt or borrowing associated with any securities or credit agreement for which there has been a default in principal, interest, sinking fund, or redemption provisions, or any breach of covenant that existed at the end of the period and subsequently has not been cured.

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Amount, before unamortized (discount) premium and debt issuance costs, of long-term debt. Includes, but is not limited to, notes payable, bonds payable, commercial loans, mortgage loans, convertible debt, subordinated debt and other types of debt.

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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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Reference 1: http://www.xbrl.org/2003/role/presentationRef
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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 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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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 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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Debt - Aggregate Principal Repayments on Mortgage Notes (Details) - Mortgage Notes Payable [Member] $ in Thousands	Sep. 30, 2017 USD ($) note_payable	Aug. 31, 2017 USD ($)	Aug. 29, 2017 USD ($)	Jun. 27, 2017 USD ($)	Dec. 31, 2016 USD ($)	Dec. 30, 2016 USD ($)
Debt Instrument [Line Items]
October 1, 2017 - December 31, 2017	$ 33,981
2018	67,603
2019	223,171
2020	265,582
2021	353,274
Thereafter	1,145,314
Total	2,088,925				$ 2,629,949
Mortgage notes in connection with default from non-recourse loan	$ 16,200	$ 41,600	$ 20,500	$ 38,300		$ 11,600
Number of mortgage notes payable in default \| note_payable	1