OTHER ASSETS AND LIABILITIES (Details) (USD $)	6 Months Ended
	Jun. 30, 2014	Jun. 30, 2013	Dec. 31, 2013
Prepaid Expenses and Other Assets
Total prepaid expenses and other assets	$ 282,902,000		$ 173,940,000
Increase in uncertain tax position asset	7,100,000
Accounts Payable and Accrued Expenses
Total accounts payable and accrued expenses	451,228,000		283,991,000
Increase in accounts payable and accrued expenses	(5,740,000)	(5,918,000)
Prepaid expenses and other assets
Prepaid Expenses and Other Assets
Special Improvement District receivable	39,750,000		39,688,000
Equipment, net of accumulated depreciation of $1.6 and $0.7 million, respectively	21,041,000		21,978,000
Tenant incentives and other receivables	5,490,000		6,757,000
Federal income tax receivable	6,099,000		6,053,000
Prepaid expenses	6,832,000		4,744,000
Condominium deposits	115,645,000		12,405,000
Security and escrow deposits	30,838,000		28,082,000
Uncertain tax position asset	20,616,000		13,528,000
Intangibles	3,654,000		3,714,000
Other	3,887,000		6,588,000
Total prepaid expenses and other assets	282,902,000		173,940,000
Accumulated depreciation on other equipment	1,600,000		700,000
Increase in prepaid expenses and other assets	109,000,000
Increase in restricted condominium deposits	103,200,000
Accounts payable and accrued expenses
Accounts Payable and Accrued Expenses
Construction payables	177,539,000		106,741,000
Accounts payable and accrued expenses	34,511,000		46,998,000
Condominium deposits	115,645,000		12,405,000
Membership deposits	22,063,000		24,830,000
Deferred income	31,084,000		18,963,000
Accrued interest	14,916,000		17,463,000
Accrued real estate taxes	6,247,000		8,581,000
Tenant and other deposits	11,548,000		9,490,000
Insurance reserve	1,000,000		1,417,000
Accrued payroll and other employee liabilities	12,707,000		15,666,000
Special Assessment	2,603,000		2,603,000
Interest rate swap	4,076,000		4,164,000
Other	14,938,000		12,239,000
Total accounts payable and accrued expenses	451,228,000		283,991,000
Increase in accounts payable and accrued expenses	167,200,000
Increase in condominium deposits	103,200,000
Increase in construction payable	70,800,000
Ward Village
Prepaid Expenses and Other Assets
Number of new market rate towers	2
Below-market ground leases | Prepaid expenses and other assets
Prepaid Expenses and Other Assets
Net carrying amount	19,833,000		20,002,000
Above-market tenant leases | Prepaid expenses and other assets
Prepaid Expenses and Other Assets
Net carrying amount	991,000		1,095,000
In-place value tenant leases | Prepaid expenses and other assets
Prepaid Expenses and Other Assets
Net carrying amount	8,226,000		9,306,000
Above-market ground leases | Accounts payable and accrued expenses
Accounts Payable and Accrued Expenses
Net carrying amount	$ 2,351,000		$ 2,431,000