Commitments and Contingencies (Narrative) (Details) $ in Thousands	12 Months Ended
Dec. 31, 2020 USD ($) obligation	Dec. 31, 2019 USD ($)
Commitments and Contingencies Disclosure [Abstract]
Number of outstanding letters of credit \| obligation	9
Outstanding letter of credit	$ 19,476
Outstanding construction financings for leased properties	487,742	$ 507,931
Additional financing to complete construction	622,108
Loans related to development and construction of certain properties	333,934
Additional fund obligated related to investments	120,004
Total contingent purchase obligations	$ 42,685

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- Definition

The current amount of expenditures for a real estate project that has not yet been completed.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 944
-SubTopic 210
-Section S99
-Paragraph 1
-Subparagraph (SX 210.7-03.10)
-URI http://asc.fasb.org/extlink&oid=120400017&loc=d3e572229-122910

+ Details

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- Definition

The total amount of the contingent obligation under letters of credit outstanding as of the reporting date.

+ References

No definition available.

+ Details

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- Definition

Payments to develop real estate assets is the process of adding improvements on or to a parcel of land. Such improvements may include drainage, utilities, subdividing, access, buildings, and any combination of these elements; and are generally classified as cash flow from investing activities.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 13
-Subparagraph (c)
-URI http://asc.fasb.org/extlink&oid=121586364&loc=d3e3213-108585

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- Definition

Minimum amount of purchase arrangement in which the entity has agreed to expend funds to procure goods or services from a supplier.

+ References

No definition available.

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- Definition

Additional financing to complete construction.

+ References

No definition available.

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- Definition

Expected Additional Payments To Develop Real Estate Assets

+ References

No definition available.

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- Definition

Number Of Outstanding Credit Obligations

+ References

No definition available.

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