Organization and Business Purpose	12 Months Ended
Dec. 31, 2022
Organization Consolidation And Presentation Of Financial Statements [Abstract]
Organization and Business Purpose	1. Organization and Business Purpose J.P. Morgan Real Estate Income Trust, Inc. (the "Company" or "JPMREIT") was formed on November 5, 2021 as a Maryland corporation and intends to qualify as a real estate investment trust ("REIT") for U.S. federal income tax purposes. The Company was organized to invest primarily in stabilized, income-generating real estate properties, and to a lesser extent, real estate debt and real estate-related securities. The Company is the sole general partner of J.P. Morgan REIT Operating Partnership, L.P., a Delaware limited partnership ("JPMREIT OP" or "Operating Partnership"). J.P. Morgan REIT OP Special Limited Partner, L.P. (the "Special Limited Partner"), an affiliate of J.P. Morgan Investment Management Inc. (the "Adviser" or "JPMIM" and together with its affiliates "J.P. Morgan"), owns a special limited partner interest in JPMREIT OP. Substantially all of the Company’s business is conducted through JPMREIT OP. The Company and JPMREIT OP are externally managed by JPMIM. As of December 31, 2022, the Company owned four real estate properties consisting of three multifamily properties, one industrial property, one position in a real estate debt investment and an investment in real estate-related securities. The Company currently operates in three reportable segments: multifamily, industrial and investments in real estate debt. See Note 15 for a description of the Company's segment reporting.

Organization and Business Purpose

12 Months Ended

Dec. 31, 2022

Organization Consolidation And Presentation Of Financial Statements [Abstract]

1. Organization and Business Purpose

J.P. Morgan Real Estate Income Trust, Inc. (the "Company" or "JPMREIT") was formed on November 5, 2021 as a Maryland corporation and intends to qualify as a real estate investment trust ("REIT") for U.S. federal income tax purposes. The Company was organized to invest primarily in stabilized, income-generating real estate properties, and to a lesser extent, real estate debt and real estate-related securities. The Company is the sole general partner of J.P. Morgan REIT Operating Partnership, L.P., a Delaware limited partnership ("JPMREIT OP" or "Operating Partnership"). J.P. Morgan REIT OP Special Limited Partner, L.P. (the "Special Limited Partner"), an affiliate of J.P. Morgan Investment Management Inc. (the "Adviser" or "JPMIM" and together with its affiliates "J.P. Morgan"), owns a special limited partner interest in JPMREIT OP. Substantially all of the Company’s business is conducted through JPMREIT OP. The Company and JPMREIT OP are externally managed by JPMIM.

As of December 31, 2022, the Company owned four real estate properties consisting of three multifamily properties, one industrial property, one position in a real estate debt investment and an investment in real estate-related securities. The Company currently operates in three reportable segments: multifamily, industrial and investments in real estate debt. See Note 15 for a description of the Company's segment reporting.