Equity Investments in Unconsolidated Joint Ventures - Schedule of Combined Financial Information of Unconsolidated Entities, Balance Sheets (Details) - USD ($) $ in Thousands	Sep. 30, 2023	Dec. 31, 2022
ASSETS
Investment in real estate, net	$ 1,310,880	$ 1,330,806
Other assets	111,694	109,443
TOTAL ASSETS	1,909,177	1,946,439
LIABILITIES AND OWNERS’ EQUITY
Notes payable	847,732	854,596
Other liabilities	968,921	967,786
Owners’ equity	922,830	960,513
TOTAL LIABILITIES AND SHAREHOLDERS’ EQUITY	1,909,177	1,946,439
RPT’s equity investments in unconsolidated joint ventures	414,404	423,089
R2G
LIABILITIES AND OWNERS’ EQUITY
RPT’s equity investments in unconsolidated joint ventures	408,063	416,487
RGMZ
LIABILITIES AND OWNERS’ EQUITY
RPT’s equity investments in unconsolidated joint ventures	6,341	6,602
R2G
ASSETS
Investment in real estate, net	816,659	822,707
Other assets	96,444	102,355
TOTAL ASSETS	913,103	925,062
LIABILITIES AND OWNERS’ EQUITY
Notes payable	80,149	80,053
Other liabilities	47,021	43,054
Owners’ equity	785,933	801,955
TOTAL LIABILITIES AND SHAREHOLDERS’ EQUITY	913,103	925,062
RGMZ
ASSETS
Investment in real estate, net	215,689	215,059
Other assets	78,771	80,094
TOTAL ASSETS	294,460	295,153
LIABILITIES AND OWNERS’ EQUITY
Notes payable	187,484	185,227
Other liabilities	7,312	6,172
Owners’ equity	99,664	103,754
TOTAL LIABILITIES AND SHAREHOLDERS’ EQUITY	294,460	295,153
Total
ASSETS
Investment in real estate, net	1,032,348	1,037,766
Other assets	175,215	182,449
TOTAL ASSETS	1,207,563	1,220,215
LIABILITIES AND OWNERS’ EQUITY
Notes payable	267,633	265,280
Other liabilities	54,333	49,226
Owners’ equity	885,597	905,709
TOTAL LIABILITIES AND SHAREHOLDERS’ EQUITY	$ 1,207,563	$ 1,220,215