Segments - Summary of Assets by Segment and Reconciliation of Segment Assets to Total Assets (Details) - USD ($) $ in Thousands	3 Months Ended	12 Months Ended
	Sep. 30, 2023	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Reconciliation of total segment assets to total assets
Assets		$ 9,575,612	$ 9,603,463
Total Seaport		0	0	$ 30,741
Seaport Segment
Reconciliation of total segment assets to total assets
Total Seaport	$ 709,500	709,493	0	$ 0
Operating Segments
Reconciliation of total segment assets to total assets
Assets		9,061,368	9,247,608
Operating Segments | Operating Assets
Reconciliation of total segment assets to total assets
Assets		3,577,694	3,448,823
Operating Segments | Master Planned Communities
Reconciliation of total segment assets to total assets
Assets		3,358,821	3,272,655
Operating Segments | Seaport
Reconciliation of total segment assets to total assets
Assets		485,898	1,166,950
Operating Segments | Strategic Developments
Reconciliation of total segment assets to total assets
Assets		1,638,955	1,359,180
Corporate income, expenses, and other items
Reconciliation of total segment assets to total assets
Assets		$ 514,244	$ 355,855