OTHER ASSETS AND LIABILITIES (Details) $ in Thousands	12 Months Ended
	Dec. 31, 2015 USD ($) item	Dec. 31, 2014 USD ($)
Prepaid Expenses and Other Assets
Condominium receivables	$ 191,037
Condominium deposits	55,749	$ 151,592
Special Improvement District receivable	72,558	33,318
Equipment, net of accumulated depreciation of $3.5 million and $2.4 million, respectively	18,772	20,284
Security and escrow deposits	17,599	9,829
Tenant incentives and other receivables	10,480	14,264
Prepaid expenses	8,474	9,196
Federal income tax receivable	11,972	8,629
Intangibles	4,045	3,593
Uncertain tax position asset	112	383
Other	5,347	2,014
Total prepaid expenses and other assets	441,190	310,136
Accumulated depreciation on other equipment	3,900	2,400
2016	168,300
2017	22,700
Increase in security and escrow deposits	7,800
Increase (decrease) in acquired in-place leases	10,600
Accounts Payable and Accrued Expenses
Construction payables	185,731	170,935
Condominium deposits	50,192	82,150
Accounts payable and accrued expenses	33,928	34,154
Accrued payroll and other employee liabilities	31,271	25,838
Tenant and other deposits	31,193	12,756
Accrued interest	16,504	14,791
Accrued real estate taxes	15,134	9,903
Interest rate swaps liability	4,217	3,144
Membership deposits		21,023
Other	31,949	23,376
Total accounts payable and accrued expenses	515,354	466,017
Increase in accounts payable and accrued expenses	49,300
Prepaid Expenses and Other Current Assets
Prepaid Expenses and Other Assets
Increase in prepaid expenses and other assets	131,100
Increase (decrease) in condominium deposits	191,000
Increase in tenant and other receivables	39,200
Accounts Payable and Accrued Liabilities
Accounts Payable and Accrued Expenses
Increase in tenant and other deposits	$ 18,400
Ward Village
Accounts Payable and Accrued Expenses
Number of new market rate towers | item	2
Increase in construction payable	$ 14,800
Increase in condominium deposits	32,000
Ward Village | Prepaid Expenses and Other Current Assets
Prepaid Expenses and Other Assets
Increase (decrease) in condominium deposits	95,800
Accounts Payable and Accrued Expenses
Increase in deferred income	47,400
The Club at Carlton Woods
Accounts Payable and Accrued Expenses
Increase in membership deposits	21,000
Leases, Acquired-in-Place
Prepaid Expenses and Other Assets
Net carrying amount	22,139	32,715
Ground Leases below Market
Prepaid Expenses and Other Assets
Net carrying amount	19,325	19,663
Tenant Leases above Market
Prepaid Expenses and Other Assets
Net carrying amount	3,581	4,656
Ground Leases above Market | Accounts Payable and Accrued Liabilities
Accounts Payable and Accrued Expenses
Deferred income	113,122	65,675
Above-market ground leases	$ 2,113	$ 2,272