Unconsolidated Entities - Additional Information (Detail) ft² in Millions, $ in Millions	1 Months Ended	12 Months Ended
	Jan. 31, 2020 USD ($) ft² Property	Dec. 31, 2019 USD ($)	Jul. 31, 2017 ft² Property
Prologis, Inc. [Member]
Schedule Of Equity Method Investments [Line Items]
Remaining equity commitments | $		$ 379.6
Expiration date for remaining commitments range start		2020
Expiration date for remaining commitments range end		2026
Prologis Targeted U S Logistics Fund [Member]
Schedule Of Equity Method Investments [Line Items]
Number of operating properties acquired | Property			190
Square feet of properties | ft²			37.1
Subsequent Events [Member] | Industrial Property Trust, Inc. [Member] | Prologis Targeted U S Logistics Fund [Member]
Schedule Of Equity Method Investments [Line Items]
Number of operating properties acquired | Property	108
Square feet of properties | ft²	18.3
Business acquisition consideration transferred | $	$ 500.0