Revenues (Schedule of Disaggregation of Revenue) (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2021	Sep. 30, 2020	Sep. 30, 2021	Sep. 30, 2020
Disaggregation of Revenue [Line Items]
Rental revenue	$ 95,215	$ 70,072	$ 269,590	$ 241,522
Total revenues	219,188	154,440	622,225	485,788
Recognized at a point in time:
Disaggregation of Revenue [Line Items]
Revenues from contracts with customers	67,623	48,620	231,653	162,174
Operating Assets revenues
Disaggregation of Revenue [Line Items]
Total revenues	125,072	81,667	334,933	280,201
Master Planned Communities revenues
Disaggregation of Revenue [Line Items]
Total revenues	72,061	52,158	194,926	171,517
Seaport revenues
Disaggregation of Revenue [Line Items]
Total revenues	21,143	4,204	39,494	16,170
Strategic Developments revenues
Disaggregation of Revenue [Line Items]
Total revenues	809	16,365	52,575	17,749
Corporate revenues
Disaggregation of Revenue [Line Items]
Total revenues	103	46	297	151
Condominium rights and unit sales
Disaggregation of Revenue [Line Items]
Revenues from contracts with customers	163	142	50,191	185
Condominium rights and unit sales | Recognized at a point in time:
Disaggregation of Revenue [Line Items]
Revenues from contracts with customers	163	142	50,191	185
Master Planned Communities land sales
Disaggregation of Revenue [Line Items]
Revenues from contracts with customers	56,305	39,248	152,124	136,053
Master Planned Communities land sales | Recognized at a point in time:
Disaggregation of Revenue [Line Items]
Revenues from contracts with customers	56,305	39,248	152,124	136,053
Builder price participation
Disaggregation of Revenue [Line Items]
Revenues from contracts with customers	11,155	9,230	29,338	25,936
Builder price participation | Recognized at a point in time:
Disaggregation of Revenue [Line Items]
Revenues from contracts with customers	11,155	9,230	29,338	25,936
Other land, rental and property revenues
Disaggregation of Revenue [Line Items]
Revenues from contracts with customers	56,350	35,748	120,982	82,092
Other land, rental and property revenues | Recognized at a point in time or over time:
Disaggregation of Revenue [Line Items]
Revenues from contracts with customers	$ 56,350	$ 35,748	$ 120,982	$ 82,092