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Mortgage and Other Indebtedness, Net - Senior Unsecured Notes, Unsecured Lines of Credit and Unsecured Term Loans (Details) - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2020	Dec. 31, 2019
Debt Instrument [Line Items]
Weighted average interest rate (as a percent)	4.41%	5.02%
Minimum
Debt Instrument [Line Items]
Notice required to redeem debt	30 days
Maximum
Debt Instrument [Line Items]
Notice required to redeem debt	60 days
Fixed Rate Interest
Debt Instrument [Line Items]
Weighted average interest rate (as a percent)	5.31%	5.35%
Senior unsecured notes due 2023
Debt Instrument [Line Items]
Balance of Non-recourse Debt	$ 450,000
Senior unsecured notes due 2023 | Fixed Rate Interest
Debt Instrument [Line Items]
Weighted average interest rate (as a percent)	5.25%	5.25%
Senior unsecured notes due 2023 | Treasury Rate
Debt Instrument [Line Items]
Basis spread on variable interest rate (as a percent)	0.50%
Senior unsecured notes due 2024
Debt Instrument [Line Items]
Balance of Non-recourse Debt	$ 300,000
Senior unsecured notes due 2024 | Fixed Rate Interest
Debt Instrument [Line Items]
Weighted average interest rate (as a percent)	4.60%	4.60%
Senior unsecured notes due 2024 | Treasury Rate
Debt Instrument [Line Items]
Basis spread on variable interest rate (as a percent)	0.35%
Senior unsecured notes due 2026
Debt Instrument [Line Items]
Balance of Non-recourse Debt	$ 625,000
Senior unsecured notes due 2026 | Fixed Rate Interest
Debt Instrument [Line Items]
Weighted average interest rate (as a percent)	5.95%	5.95%
Senior unsecured notes due 2026 | Treasury Rate
Debt Instrument [Line Items]
Basis spread on variable interest rate (as a percent)	0.40%

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- Definition

Notice Required to Redeem Debt, Term

+ References

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- Definition

Face (par) amount of debt instrument at time of issuance.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 835
-SubTopic 30
-Section 45
-Paragraph 2
-URI http://asc.fasb.org/extlink&oid=119993939&loc=d3e28551-108399

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 835
-SubTopic 30
-Section 55
-Paragraph 8
-URI http://asc.fasb.org/extlink&oid=114775985&loc=d3e28878-108400

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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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- Definition

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- Definition

Weighted average interest rate of long-term debt outstanding calculated at point in time.

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