Debt - Schedule of Mortgages Payable (Details) - Mortgages Payable - USD ($) $ in Thousands	Sep. 30, 2020	Dec. 31, 2019
Debt Instrument [Line Items]
Variable interest rate	2.18%
Variable rate amount	$ 679,446	$ 2,200
Fixed interest rate	4.37%
Fixed rate amount	$ 1,021,825	1,125,648
Mortgages payable	1,701,271	1,127,848
Unamortized deferred financing costs and premium/ discount, net	(10,548)	(2,071)
Long-term debt, net	$ 1,690,723	$ 1,125,777

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 unamortized debt discount (premium) and debt issuance costs.

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Amount, after unamortized (discount) premium and debt issuance costs, of long-term debt. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations.

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Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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The interest rate applicable to the portion of the carrying amount of long-term borrowings outstanding as of the balance sheet date, including current maturities, which accrues interest at a set, unchanging rate.

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The portion of the carrying amount of long-term borrowings outstanding as of the balance sheet date, including current maturities, which accrues interest at a set, unchanging rate.

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