REVENUES (Schedule of Disaggregation of Revenue) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Disaggregation of Revenue [Line Items]
Rental revenue	$ 323,182	$ 278,806
Rental revenue			$ 257,308
Total revenues	699,489	1,300,539	1,064,537
Recognized at a point in time
Disaggregation of Revenue [Line Items]
Revenues from contracts with customers	271,259	814,767	646,710
Operating Assets
Disaggregation of Revenue [Line Items]
Total revenues	372,057	400,131	348,242
Master Planned Communities
Disaggregation of Revenue [Line Items]
Total revenues	283,953	386,781	309,451
Seaport District
Disaggregation of Revenue [Line Items]
Total revenues	23,814	55,645	32,632
Strategic Developments
Disaggregation of Revenue [Line Items]
Total revenues	19,407	457,948	374,212
Corporate
Disaggregation of Revenue [Line Items]
Total revenues	258	34	0
Condominium rights and unit sales
Disaggregation of Revenue [Line Items]
Revenues from contracts with customers	1,143	448,940	357,720
Condominium rights and unit sales | Recognized at a point in time
Disaggregation of Revenue [Line Items]
Revenues from contracts with customers	1,143	448,940	357,720
Master Planned Communities land sales
Disaggregation of Revenue [Line Items]
Revenues from contracts with customers	233,044	330,146	261,905
Master Planned Communities land sales | Recognized at a point in time
Disaggregation of Revenue [Line Items]
Revenues from contracts with customers	233,044	330,146	261,905
Builder price participation
Disaggregation of Revenue [Line Items]
Revenues from contracts with customers	37,072	35,681	27,085
Builder price participation | Recognized at a point in time
Disaggregation of Revenue [Line Items]
Revenues from contracts with customers	37,072	35,681	27,085
Other land, rental and property revenues
Disaggregation of Revenue [Line Items]
Revenues from contracts with customers	105,048	206,966	160,519
Other land, rental and property revenues | Recognized at a point in time and/or over time
Disaggregation of Revenue [Line Items]
Revenues from contracts with customers	$ 105,048	$ 206,966	$ 160,519