REVENUES (Schedule of Disaggregation of Revenue) (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2020	Jun. 30, 2019
Disaggregation of Revenue [Line Items]
Minimum rents	$ 61,469	$ 54,718	$ 132,456	$ 108,804
Tenant recoveries	17,202	13,512	38,077	27,020
Interest income from sales-type leases	35	0	917	0
Total rental income	78,706	68,230	171,450	135,824
Total revenues	156,173	431,316	331,348	785,206
Recognized at a point in time
Disaggregation of Revenue [Line Items]
Revenues	66,020	303,312	113,554	548,129
Total revenues	156,173	431,316	331,348	785,206
Recognized at a point in time and/or over time
Disaggregation of Revenue [Line Items]
Revenues	11,447	59,774	46,344	101,253
Operating Assets revenues
Disaggregation of Revenue [Line Items]
Total revenues	84,277	109,219	198,534	201,172
Master Planned Communities revenues
Disaggregation of Revenue [Line Items]
Total revenues	68,913	72,859	119,359	123,755
Seaport District revenues
Disaggregation of Revenue [Line Items]
Total revenues	2,272	12,891	11,966	19,921
Strategic Developments revenues
Disaggregation of Revenue [Line Items]
Total revenues	624	236,347	1,384	440,358
Corporate revenues
Disaggregation of Revenue [Line Items]
Total revenues	87	0	105	0
Condominium rights and unit sales
Disaggregation of Revenue [Line Items]
Revenues	0	235,622	43	433,932
Condominium rights and unit sales | Recognized at a point in time
Disaggregation of Revenue [Line Items]
Revenues	0	235,622	43	433,932
Master Planned Communities land sales
Disaggregation of Revenue [Line Items]
Revenues	57,073	58,321	96,805	99,633
Master Planned Communities land sales | Recognized at a point in time
Disaggregation of Revenue [Line Items]
Revenues	57,073	58,321	96,805	99,633
Builder price participation
Disaggregation of Revenue [Line Items]
Revenues	8,947	9,369	16,706	14,564
Builder price participation | Recognized at a point in time
Disaggregation of Revenue [Line Items]
Revenues	8,947	9,369	16,706	14,564
Other rental and property revenues | Recognized at a point in time and/or over time
Disaggregation of Revenue [Line Items]
Revenues	$ 11,447	$ 59,774	$ 46,344	$ 101,253