Investments - Financial Position of the Entities Accounted for Using the Equity Method (Details 2) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020
ASSETS
Total real estate, net	$ 18,709,584	$ 18,233,781
Total assets	19,902,016	19,199,144
LIABILITIES AND EQUITY
Mortgage notes payable, net	754,153	862,332
Partners' capital	10,932,527	10,751,583
Total liabilities and equity	19,902,016	19,199,144
AVA Arts District
LIABILITIES AND EQUITY
Proceeds from construction loans payable	11,581
Equity Method Investment, Nonconsolidated Investee or Group of Investees
ASSETS
Total real estate, net	1,184,041	1,249,730
Other assets	399,591	255,606
Total assets	1,583,632	1,505,336
LIABILITIES AND EQUITY
Mortgage notes payable, net	645,235	751,257
Other liabilities	168,403	163,808
Partners' capital	769,994	590,271
Total liabilities and equity	$ 1,583,632	$ 1,505,336