OTHER ASSETS AND LIABILITIES (Accounts Payable and Accrued Expenses) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019
Other Assets and Liabilities [Line Items]
Condominium deposit liabilities	$ 309,884	$ 194,794
Condominium deposit liabilities, Change	115,090
Construction payables	253,626	261,523
Construction payables, Change	(7,897)
Deferred income	66,656	63,483
Deferred Income, Change	3,173
Interest rate derivative liabilities	51,920	40,135
Interest rate swap liabilities, Change	11,785
Accrued real estate taxes	38,863	27,559
Accrued real estate taxes, Change	11,304
Accrued interest	37,007	23,838
Accrued interest, Change	13,169
Accounts payable and accrued expenses	28,589	37,480
Accounts payable and accrued expenses, Change	(8,891)
Accrued payroll and other employee liabilities	27,419	44,082
Accrued payroll and other employee liabilities, Change	(16,663)
Tenant and other deposits	25,801	24,080
Tenant and other deposits, Change	1,721
Other	12,493	16,173
Other, Change	(3,680)
Accounts payable and accrued expenses	852,258	$ 733,147
Accounts Payable And Accrued Expenses, Change	119,111
110 North Wacker
Other Assets and Liabilities [Line Items]
Construction payables, Change	(39,500)
Interest rate swap liabilities, Change	(15,200)
Various properties
Other Assets and Liabilities [Line Items]
Construction payables, Change	(63,300)
Waiea
Other Assets and Liabilities [Line Items]
Construction payables, Change	$ 97,900