OTHER ASSETS AND LIABILITIES (Details) (USD $)	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012
Prepaid Expenses and Other Assets
Special Improvement District receivable	$ 39,688,000	$ 39,659,000
Equipment, net of accumulated depreciation of $0.7 million.	2,913,105,000	2,634,105,000
Tenant incentives and other receivables	6,757,000	2,346,000
Federal income tax receivable	6,053,000	5,367,000
Prepaid expenses	4,744,000	4,757,000
Condominium deposits	12,405,000	19,616,000
Security and escrow deposits	28,082,000	12,865,000
Uncertain tax position asset	13,528,000	12,801,000
Intangibles	3,714,000	3,714,000
Other	6,588,000	8,592,000
Total prepaid expenses and other assets	173,940,000	143,470,000
Accumulated depreciation	111,728,000	112,491,000
Increase in prepaid expenses and other assets	30,500,000
Decrease in condominium deposits	7,200,000
Increase in tenant and other receivables	4,400,000
Increase in security and escrow deposits	15,200,000
Increase in escrow deposits	14,700,000
Increase in equipment related to the airplane purchase	22,000,000
Accounts Payable and Accrued Expenses
Construction payables	106,741,000	17,501,000
Accounts payable and accrued expenses	46,998,000	39,634,000
Condominium deposits	12,405,000	19,616,000
Membership deposits	24,830,000	20,248,000
Deferred income	18,963,000	7,767,000
Accrued interest	17,463,000	2,425,000
Accrued real estate taxes	8,581,000	6,622,000
Tenant and other deposits	9,490,000	8,096,000
Insurance reserve	1,417,000	9,037,000
Accrued payroll and other employee liabilities	15,666,000	11,514,000
Interest rate swap	4,164,000	7,183,000
Special Assessment	2,603,000	2,868,000
Other	12,239,000	15,420,000
Total accounts payable and accrued expenses	283,991,000	170,521,000
Increase in accounts payable and accrued expenses	113,500,000
Increase in construction payables	89,200,000
Increase in deferred income	11,200,000
Increase in accrued interest	15,000,000
Decrease in condominium deposits	7,200,000
Airplane
Prepaid Expenses and Other Assets
Equipment, net of accumulated depreciation of $0.7 million.	21,978,000
Accumulated depreciation	700,000
Below-market ground leases
Prepaid Expenses and Other Assets
Net carrying amount	20,002,000	20,341,000
Above-market tenant leases
Prepaid Expenses and Other Assets
Net carrying amount	1,095,000	1,896,000
In-place value tenant leases
Prepaid Expenses and Other Assets
Net carrying amount	9,306,000	11,516,000
Above-market ground leases
Accounts Payable and Accrued Expenses
Net carrying amount	$ 2,431,000	$ 2,590,000