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Investments in Unconsolidated Joint Ventures - Narrative (Details) $ in Millions	3 Months Ended
	Mar. 31, 2022 USD ($) property extension joint_venture	Mar. 31, 2021 USD ($)	Sep. 30, 2020 USD ($) extension
Schedule of Equity Method Investments [Line Items]
Ownership percentage	20.00%
Number of joint ventures | joint_venture	3
Institutional Investor JV
Schedule of Equity Method Investments [Line Items]
Ownership percentage	20.00%
J.P. Morgan JV
Schedule of Equity Method Investments [Line Items]
Ownership percentage	20.00%
Joint Venture | Institutional Investor JV
Schedule of Equity Method Investments [Line Items]
Maximum borrowing limit			$ 201.0
Non-recourse guarantee, term			two
Number of extension options | extension			3
Extension period			1 year
Maximum exposure	$ 159.2
Joint Venture | J.P. Morgan JV
Schedule of Equity Method Investments [Line Items]
Maximum borrowing limit	$ 375.0
Non-recourse guarantee, term	three
Number of extension options | extension	1
Extension period	1 year
Maximum exposure	$ 99.0
Joint Venture | SOFR | J.P. Morgan JV
Schedule of Equity Method Investments [Line Items]
Basis spread on variable rate	1.50%
Joint Venture | LIBOR | Institutional Investor JV
Schedule of Equity Method Investments [Line Items]
Basis spread on variable rate			3.50%
Institutional Investor JV Property Acquisition
Schedule of Equity Method Investments [Line Items]
Number of properties acquired | property	200
Total consideration	$ 74.6
Cash paid for asset acquisitions	66.2
Asset acquisition, consideration transferred, other assets	8.4
Property management expenses | Joint Venture
Schedule of Equity Method Investments [Line Items]
Management fee income	$ 2.8	$ 2.1

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