OTHER ASSETS AND LIABILITIES (Details) - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2015	Dec. 31, 2014
Prepaid Expenses and Other Assets
Condominium receivables	$ 95,521
Condominium deposits	71,507	$ 151,592
Special Improvement District receivable	30,843	33,318
Equipment, net of accumulated depreciation of $3.5 million and $2.4 million, respectively	19,150	20,284
Tenant incentives and other receivables	23,240	14,264
Security and escrow deposits	12,556	9,829
Prepaid expenses	9,997	9,196
Federal income tax receivable	8,268	8,629
Intangibles	3,880	3,593
Uncertain tax position asset	443	383
Other	751	2,014
Total prepaid expenses and other assets	323,596	310,136
Accounts Payable and Accrued Expenses
Construction payables	184,966	170,935
Deferred income	101,390	65,675
Condominium deposits	29,718	82,150
Tenant and other deposits	31,688	12,756
Accounts payable and accrued expenses	34,318	34,154
Accrued interest	28,282	14,791
Accrued payroll and other employee liabilities	22,856	25,838
Accrued real estate taxes	14,830	9,903
Interest rate swap	3,651	3,144
Membership deposits		21,023
Other	35,183	23,376
Total accounts payable and accrued expenses	489,035	466,017
Prepaid Expenses and Other Current Assets
Prepaid Expenses and Other Assets
Increase in prepaid expenses and other assets	13,500
Increase in condominium receivables	95,500
Increase in tenant and other receivables	9,000
Ward Village | Prepaid Expenses and Other Current Assets
Prepaid Expenses and Other Assets
Increase (decrease) in condominium deposits	(80,100)
Leases, Acquired-in-Place
Prepaid Expenses and Other Assets
Net carrying amount	24,225	32,715
Leases, Acquired-in-Place | 10-60 Columbia Corporate Center
Prepaid Expenses and Other Assets
Increase (decrease) in acquired in-place leases	8,500
Ground Leases below Market
Prepaid Expenses and Other Assets
Net carrying amount	19,409	19,663
Tenant Leases above Market
Prepaid Expenses and Other Assets
Net carrying amount	3,806	4,656
Ground Leases above Market
Accounts Payable and Accrued Expenses
Net carrying amount	$ 2,153	$ 2,272