Organization, Basis of Presentation and Summary of Significant Accounting Policies - Schedule of Operating Partnership's Equity Interest (Parenthetical) (Details) - USD ($) $ in Millions	1 Months Ended	3 Months Ended
	Aug. 31, 2020	Mar. 31, 2022	Mar. 31, 2021	Apr. 08, 2021
Mervyns II
Variable Interest Entity [Line Items]
Recallable distributions	$ 15.7
Distribution recalled during period		$ 2.6	$ 11.9
Mervyns II | Acadia
Variable Interest Entity [Line Items]
Recallable distributions	$ 4.5
Distribution recalled during period		$ 0.7	$ 3.4
Fund V
Variable Interest Entity [Line Items]
Investment, maturity date				Aug. 25, 2022