Related Party Arrangements (Details) - USD ($) $ in Thousands	3 Months Ended
Mar. 31, 2021	Mar. 31, 2020	Dec. 31, 2020
Related Party Arrangements
Management, development and other fees	$ 877	$ 1,007
Compensation expense	5,247	5,039
Unconsolidated real estate entities
Related Party Arrangements
Outstanding receivables	3,686		$ 5,408
Non Employee Director \| Restricted stock and deferred stock awards
Related Party Arrangements
Compensation expense	465	$ 455
Amount of deferred compensation	$ 227		$ 614

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
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+ Details