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Investments in Unconsolidated Joint Ventures - Narrative (Details) $ in Millions	3 Months Ended			6 Months Ended
	Jun. 30, 2020 USD ($) joint_venture	Mar. 31, 2020 USD ($)	Jun. 30, 2019 USD ($)	Jun. 30, 2020 USD ($) joint_venture	Jun. 30, 2019 USD ($)
Schedule of Equity Method Investments [Line Items]
Ownership percentage	20.00%			20.00%
Number of joint ventures | joint_venture	3			3
Property management expenses | Joint Venture
Schedule of Equity Method Investments [Line Items]
Management fee income	$ 1.3		$ 0.7	$ 2.2	$ 1.4
J.P. Morgan JV
Schedule of Equity Method Investments [Line Items]
Ownership percentage	20.00%			20.00%
Size of partnership	$ 625.0	$ 253.1

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