Other Assets and Liabilities (Accounts Payable and Accrued Expenses) (Details) - USD ($)	3 Months Ended
	Mar. 31, 2021	Feb. 28, 2021	Dec. 31, 2020
Other Assets and Liabilities [Line Items]
Condominium deposit liabilities	$ 325,413,000		$ 309,884,000
Condominium deposit liabilities, Change	15,529,000
Construction payables	276,213,000		253,626,000
Construction payables, Change	22,587,000
Deferred income	67,885,000		66,656,000
Deferred income, Change	1,229,000
Interest rate swap liabilities	43,015,000		51,920,000
Interest rate swap liabilities, Change	(8,905,000)
Accounts payable and accrued expenses	26,989,000		28,589,000
Accounts payable and accrued expenses, Change	(1,600,000)
Tenant and other deposits	26,384,000		25,801,000
Tenant and other deposits, Change	583,000
Accrued interest	21,993,000		37,007,000
Accrued interest, Change	(15,014,000)
Accrued real estate taxes	17,610,000		38,863,000
Accrued real estate taxes, Change	(21,253,000)
Accrued payroll and other employee liabilities	15,545,000		27,419,000
Accrued payroll and other employee liabilities, Change	(11,874,000)
Other	12,326,000		12,493,000
Other, Change	(167,000)
Accounts payable and accrued expenses	833,373,000		$ 852,258,000
Accounts payable and accrued expenses, Change	$ (18,885,000)
Senior Notes due 2025 | Senior Notes
Other Assets and Liabilities [Line Items]
Repurchased, face amount		$ 1,000,000,000.0
Interest rate (as a percent)		5.375%	5.375%
Senior Notes due 2029 | Senior Notes
Other Assets and Liabilities [Line Items]
Interest rate (as a percent)	4.125%	4.125%
Face amount		$ 650,000,000
Senior Notes due 2031 | Senior Notes
Other Assets and Liabilities [Line Items]
Interest rate (as a percent)	4.375%	4.375%
Face amount		$ 650,000,000
Ward Village, the Tin Building, and the Summerlin and Bridgeland MPC developments
Other Assets and Liabilities [Line Items]
Construction payables, Change	$ 47,800,000
Waiea
Other Assets and Liabilities [Line Items]
Construction payables, Change	20,500,000
Various projects
Other Assets and Liabilities [Line Items]
Construction payables, Change	$ (25,200,000)