Equity Investments in Unconsolidated Joint Ventures - Summary of Combined Financial Information of Unconsolidated Entities, Statements of Operations (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2020	Jun. 30, 2019
Schedule of Equity Method Investments [Line Items]
Total revenue	$ 44,627	$ 57,361	$ 97,503	$ 117,069
Total expenses	38,250	43,932	81,961	88,210
NET (LOSS) INCOME	(2,956)	2,962	(2,614)	13,655
RPT's share of earnings from unconsolidated joint ventures	802	26	1,058	80
Equity Method Investment, Nonconsolidated Investee or Group of Investees
Schedule of Equity Method Investments [Line Items]
Total revenue	5,552	688	11,584	1,482
Total expenses	3,984	385	9,540	781
NET (LOSS) INCOME	$ 1,568	$ 303	$ 2,044	$ 701