Derivative Instruments and Hedging Activities (Summary of the Notional Amount and Fair Value of Derivatives) (Details)	3 Months Ended	9 Months Ended
	Sep. 30, 2022 USD ($)	Sep. 30, 2022 USD ($)	Mar. 31, 2022 USD ($)	Dec. 31, 2021 USD ($) numberOfLiborRate	Dec. 31, 2019 USD ($)	Dec. 31, 2018 USD ($)	Sep. 30, 2018 USD ($)
Fair value of derivative instruments
Total fair value derivative assets	$ 29,712,000	$ 29,712,000		$ 1,257,000
Total fair value derivative liabilities	0	0		(26,452,000)
Total fair value derivative asset (liability), net	29,712,000	29,712,000		(25,195,000)
$700 Million loan due 2023
Fair value of derivative instruments
Face amount						$ 700,000,000
Construction Loans | 1700 Pavillion
Fair value of derivative instruments
Face amount				75,000,000
Construction Loans | Tanager Echo Development
Fair value of derivative instruments
Face amount				59,500,000
Term loan | $700 Million loan due 2023
Fair value of derivative instruments
Face amount						$ 615,000,000	$ 615,000,000
Victoria Place In Ward Village | Construction Loans
Fair value of derivative instruments
Face amount				$ 368,200,000
Number of new LIBOR interest rate caps | numberOfLiborRate				2
Two Summerlin
Fair value of derivative instruments
Face amount			$ 40,800,000
8770 New Trails | Construction Loans
Fair value of derivative instruments
Face amount					$ 35,500,000
Derivative instruments not designated as hedging instruments
Fair value of derivative instruments
Other Income	5,600,000	13,800,000
Fixed Interest Rate 2.00%, Maturing September 2023 | Interest rate cap | Derivative instruments not designated as hedging instruments | Prepaid expenses and other assets, net
Fair value of derivative instruments
Notional amount, asset	$ 285,000,000	$ 285,000,000
Fixed interest rate	2.00%	2.00%
Total fair value derivative assets	$ 6,268,000	$ 6,268,000		$ 300,000
Fixed Interest Rate 2.00%, Maturing September 2023 | Interest rate cap | Derivative instruments not designated as hedging instruments | Prepaid expenses and other assets, net
Fair value of derivative instruments
Notional amount, asset	$ 83,200,000	$ 83,200,000
Fixed interest rate	2.00%	2.00%
Total fair value derivative assets	$ 1,830,000	$ 1,830,000		87,000
Fixed Interest Rate 5.00 Maturing October 2022 | Interest rate cap | Derivative instruments not designated as hedging instruments | Prepaid expenses and other assets, net
Fair value of derivative instruments
Notional amount, asset	$ 75,000,000	$ 75,000,000
Fixed interest rate	5.00%	5.00%
Total fair value derivative assets	$ 0	$ 0		0
Fixed Interest Rate 2.50 Percent, Maturing September 2025, Notional 75Million | Interest rate cap | Derivative instruments not designated as hedging instruments | Prepaid expenses and other assets, net
Fair value of derivative instruments
Notional amount, asset	$ 75,000,000	$ 75,000,000
Fixed interest rate	2.50%	2.50%
Total fair value derivative assets	$ 3,881,000	$ 3,881,000		485,000
Fixed Interest Rate 2.50 Percent, Maturing September 2025, Notional 59.5 Million | Interest rate cap | Derivative instruments not designated as hedging instruments | Prepaid expenses and other assets, net
Fair value of derivative instruments
Notional amount, asset	$ 59,500,000	$ 59,500,000
Fixed interest rate	2.50%	2.50%
Total fair value derivative assets	$ 3,079,000	$ 3,079,000		385,000
Fixed Interest Rate 2.96%, Maturing September 2023 | Interest rate swap | Derivative instruments designated as hedging instruments: | Prepaid expenses and other assets, net
Fair value of derivative instruments
Notional amount, liability	$ 615,000,000	$ 615,000,000
Fixed interest rate	2.96%	2.96%
Total fair value derivative liabilities	$ 8,008,000	$ 8,008,000		(23,477,000)
Fixed Interest Rate 3.43 Maturing January 2027 | Interest rate swap | Derivative instruments designated as hedging instruments: | Prepaid expenses and other assets, net
Fair value of derivative instruments
Notional amount, liability	$ 40,800,000	$ 40,800,000
Fixed interest rate	1.68%	1.68%
Total fair value derivative assets	$ 3,489,000	$ 3,489,000
Total fair value derivative liabilities				0
Fixed Interest Rate 4.89 Maturing January 2032 | Interest rate swap | Derivative instruments designated as hedging instruments: | Prepaid expenses and other assets, net
Fair value of derivative instruments
Notional amount, liability	$ 35,404,000	$ 35,404,000
Fixed interest rate	4.89%	4.89%
Total fair value derivative liabilities	$ 3,157,000	$ 3,157,000		$ (2,975,000)