REVENUE (Schedule of Disaggregation of Revenue) (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2019	Jun. 30, 2018	Jun. 30, 2019	Jun. 30, 2018
Disaggregation of Revenue [Line Items]
Minimum rents	$ 54,718		$ 108,804
Minimum rents		$ 50,509		$ 99,912
Tenant recoveries	13,512		27,020
Tenant recoveries		12,250		25,002
Total rental income	68,230		135,824
Total rental income		62,759		124,914
Total revenues	431,316	181,005	785,206	342,684
Recognized at a point in time:
Disaggregation of Revenue [Line Items]
Revenue	328,888	101,514	596,634	187,058
Recognized at a point in time and/or over time:
Disaggregation of Revenue [Line Items]
Revenue	34,198	16,732	52,748	30,712
Operating Assets
Disaggregation of Revenue [Line Items]
Total revenues	109,219	88,808	201,172	176,555
Master Planned Communities
Disaggregation of Revenue [Line Items]
Total revenues	12,891	4,500	19,921	8,011
Seaport District
Disaggregation of Revenue [Line Items]
Total revenues	72,859	62,765	123,755	118,530
Strategic Developments
Disaggregation of Revenue [Line Items]
Total revenues	236,347	24,932	440,358	39,588
Condominium rights and unit sales
Disaggregation of Revenue [Line Items]
Revenue	235,622	20,885	433,932	31,722
Condominium rights and unit sales | Recognized at a point in time:
Disaggregation of Revenue [Line Items]
Revenue	235,622	20,885	433,932	31,722
Master Planned Communities land sales
Disaggregation of Revenue [Line Items]
Revenue	58,321	52,432	99,633	98,997
Master Planned Communities land sales | Recognized at a point in time:
Disaggregation of Revenue [Line Items]
Revenue	58,321	52,432	99,633	98,997
Hospitality revenues
Disaggregation of Revenue [Line Items]
Revenue	25,576	22,569	48,505	45,630
Hospitality revenues | Recognized at a point in time:
Disaggregation of Revenue [Line Items]
Revenue	25,576	22,569	48,505	45,630
Builder price participation
Disaggregation of Revenue [Line Items]
Revenue	9,369	5,628	14,564	10,709
Builder price participation | Recognized at a point in time:
Disaggregation of Revenue [Line Items]
Revenue	9,369	5,628	14,564	10,709
Other land revenues
Disaggregation of Revenue [Line Items]
Revenue	5,569	4,712	10,298	8,843
Other land revenues | Recognized at a point in time and/or over time:
Disaggregation of Revenue [Line Items]
Revenue	5,569	4,712	10,298	8,843
Other rental and property revenues
Disaggregation of Revenue [Line Items]
Revenue	28,629	12,020	42,450	21,869
Other rental and property revenues | Recognized at a point in time and/or over time:
Disaggregation of Revenue [Line Items]
Revenue	$ 28,629	$ 12,020	$ 42,450	$ 21,869