Earnings Per Share - Schedule of Net Loss and Weighted Average Number of Shares Outstanding (Details) - USD ($) shares in Thousands, $ in Thousands	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022
Earnings Per Share [Abstract]
Net loss attributable to JPMREIT stockholders, basic	$ (8,326)	$ (3,732)
Net loss attributable to JPMREIT stockholders, diluted	$ (8,326)	$ (3,732)
Weighted-average shares of common stock outstanding, basic	8,069	715
Weighted-average shares of common stock outstanding, diluted	8,069	715