Related Party Transactions - Schedule of fees charged to unconsolidated joint ventures (Details) - USD ($) $ in Thousands	3 Months Ended
Mar. 31, 2021	Mar. 31, 2020
Management fees
Related Party Transaction [Line Items]
Revenues	$ 5,568	$ 6,973
Unconsolidated Joint Ventures and Third Party Managed Properties
Related Party Transaction [Line Items]
Revenues	5,247	6,570
Unconsolidated Joint Ventures and Third Party Managed Properties \| Management fees
Related Party Transaction [Line Items]
Revenues	3,817	4,486
Unconsolidated Joint Ventures and Third Party Managed Properties \| Development and leasing fees
Related Party Transaction [Line Items]
Revenues	$ 1,430	$ 2,084

Amount, excluding tax collected from customer, of revenue from satisfaction of performance obligation by transferring promised good or service to customer. Tax collected from customer is tax assessed by governmental authority that is both imposed on and concurrent with specific revenue-producing transaction, including, but not limited to, sales, use, value added and excise.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
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+ Details