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Related Party Arrangements (Details) - USD ($)	12 Months Ended
Related Party Arrangements (Details) - USD ($)	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Related Party Arrangements
Management, development and other fees	$ 7,722,000	$ 6,333,000	$ 3,084,000
Compensation expense	27,417,000	34,131,000	25,100,000
Property and construction management roles
Related Party Arrangements
Contract with customer, receivable, net	7,946,000	2,855,000
Non-employee directors \| Restricted stock and deferred stock awards
Related Party Arrangements
Compensation expense	2,446,000	2,228,000	1,981,000
Amount of deferred compensation	799,000	$ 794,000	$ 696,000
Non-employee directors \| Director Compensation, Restricted stock, value \| Restricted stock and deferred stock awards
Related Party Arrangements
Related party transactions	175,000
Non-employee directors \| Cash Payment
Related Party Arrangements
Related party transactions	100,000
Non-employee directors \| Quarterly Installment
Related Party Arrangements
Related party transactions	25,000
Lead Independent Director \| Annual Fee
Related Party Arrangements
Related party transactions	35,000
Lead Independent Director \| Quarterly Installment
Related Party Arrangements
Related party transactions	8,750
Non Executive Chairman \| Annual Fee
Related Party Arrangements
Related party transactions	250,000
Non Executive Chairman \| Quarterly Installment
Related Party Arrangements
Related party transactions	62,500
Non-employee director serving as the chairperson of the Audit Committee \| Annual Fee
Related Party Arrangements
Related party transactions	30,000
Non-employee director serving as the chairperson of the Audit Committee \| Quarterly Installment
Related Party Arrangements
Related party transactions	7,500
Non-employee director serving as a chairperson of the Compensation Committee \| Annual Fee
Related Party Arrangements
Related party transactions	25,000
Non-employee director serving as a chairperson of the Compensation Committee \| Quarterly Installment
Related Party Arrangements
Related party transactions	6,250
Non-employee director serving as a chairperson of the Nominating and Corporate Governance and Investment and Finance Committees \| Annual Fee
Related Party Arrangements
Related party transactions	20,000
Non-employee director serving as a chairperson of the Nominating and Corporate Governance and Investment and Finance Committees \| Quarterly Installment
Related Party Arrangements
Related party transactions	$ 5,000