Disclosure about Fair Value of Financial Instruments (Summary of Items Measured at Fair Value on Recurring Basis) (Details) $ in Thousands	Dec. 31, 2019 USD ($)
Investments under fair value option
Equity securities	$ 15,685
Foreign currency forward contracts, interest rate swaps and cross currency swaps, net asset (liability)	(35,047)
Redeemable OP unitholder interests	121,440
Totals	102,078
Level 1
Investments under fair value option
Equity securities	15,685
Foreign currency forward contracts, interest rate swaps and cross currency swaps, net asset (liability)	0
Redeemable OP unitholder interests	0
Totals	15,685
Level 2
Investments under fair value option
Equity securities	0
Foreign currency forward contracts, interest rate swaps and cross currency swaps, net asset (liability)	(35,047)
Redeemable OP unitholder interests	121,440
Totals	86,393
Level 3
Investments under fair value option
Equity securities	0
Foreign currency forward contracts, interest rate swaps and cross currency swaps, net asset (liability)	0
Redeemable OP unitholder interests	0
Totals	$ 0

Amount of investment in equity security measured at fair value with change in fair value recognized in net income (FV-NI).

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 825
-SubTopic 10
-Section 45
-Paragraph 1A
-URI http://asc.fasb.org/extlink&oid=99377092&loc=SL75136599-209740

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Fair value as of the balance sheet date of all derivatives designated as foreign currency fair value hedging instruments.

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Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 815
-SubTopic 10
-Section 45
-Paragraph 5
-URI http://asc.fasb.org/extlink&oid=117331979&loc=d3e41228-113958

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