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.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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-Name Accounting Standards Codification
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Name:	us-gaap_DebtInstrumentCarryingAmount
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

Notes Payable - Secured Mortgage Notes (Details) $ in Thousands	Jun. 30, 2021 USD ($) debt_instrument	Dec. 31, 2020 USD ($)	Feb. 03, 2020 USD ($)
Debt Instrument [Line Items]
Long-term debt	$ 2,051,791	$ 2,160,293
Secured Mortgage Notes
Debt Instrument [Line Items]
Long-term debt	$ 669,791	$ 677,893
Number of non-recourse mortgage loans \| debt_instrument	7
Assets pledged as security	$ 1,200,000
Meridian Mark Plaza Atlanta \| Secured Mortgage Notes
Debt Instrument [Line Items]
Long-term debt			$ 23,000