Organization and Business Purpose - Additional Information (Detail)							3 Months Ended				6 Months Ended
	Jun. 30, 2020 property shares	Mar. 20, 2020 USD ($)	Dec. 31, 2019 shares	May 18, 2017 USD ($)	Oct. 17, 2016 USD ($)	Feb. 02, 2016 USD ($) shares	Jun. 30, 2020 USD ($) property shares	Mar. 31, 2020 USD ($) shares	Jun. 30, 2019 USD ($) shares	Mar. 31, 2019 USD ($) shares	Jun. 30, 2020 USD ($) Segment property
Schedule Of Organization And Basis Of Presentation [Line Items]
Date of incorporation											Feb. 02, 2016
State of incorporation											MD
Number of reportable segment | Segment											1
Stock issued during period, new issues, value							$ 7,116,579	$ 11,039,819	$ 12,364,156	$ 13,604,281
Stock issued during period, new issues, shares | shares	5,994,996		5,332,169
Investment in Operating Partnership by subsidiary of Sponsor, Rodin Global Property Trust OP Holdings, LLC (the "OP")											$ 1,000
Number of real estate properties owned | property	13						13				13
DST Properties [Member]
Schedule Of Organization And Basis Of Presentation [Line Items]
Number of real estate properties owned | property	7						7				7
Distribution Reinvestment Plan [Member]
Schedule Of Organization And Basis Of Presentation [Line Items]
Common stock, shares authorized amount		$ 250,000,000
Maximum [Member] | Distribution Reinvestment Plan [Member]
Schedule Of Organization And Basis Of Presentation [Line Items]
Common stock, shares authorized amount					$ 250,000,000	$ 250,000,000
Maximum [Member] | Offering [Member]
Schedule Of Organization And Basis Of Presentation [Line Items]
Common stock, shares authorized amount					1,250,000,000	1,250,000,000
Maximum [Member] | Primary Offering [Member]
Schedule Of Organization And Basis Of Presentation [Line Items]
Common stock, shares authorized amount					1,000,000,000	1,000,000,000
Class A [Member]
Schedule Of Organization And Basis Of Presentation [Line Items]
Stock issued during period, new issues, value						$ 200,001	$ 1,447	$ 1,512	$ 2,745	$ 2,636
Stock issued during period, new issues, shares | shares	3,402,643		3,150,616			8,180	144,689	150,441	274,447	263,629
Class I [Member]
Schedule Of Organization And Basis Of Presentation [Line Items]
Stock issued during period, new issues, value				$ 2,000,000			$ 892	$ 2,151	$ 1,115	$ 1,483
Stock issued during period, new issues, shares | shares	1,151,593		853,734				89,113	215,102	111,436	148,278
Class I [Member] | Primary Offering [Member]
Schedule Of Organization And Basis Of Presentation [Line Items]
Stock issued during period, new issues, value					$ 2,000,000