Earnings Per Common Share - Computation of Basic Earnings Per Share (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended
	Mar. 31, 2020	Mar. 31, 2019
Earnings Per Share [Abstract]
Net income	$ 342	$ 10,693
Net income attributable to noncontrolling interest	(8)	(250)
Allocation of income to restricted share awards	(136)	(132)
Income attributable to RPT	198	10,311
Preferred share dividends	(1,675)	(1,675)
Net income available to common shareholders - Basic and Diluted	$ (1,477)	$ 8,636
Weighted average shares outstanding, Basic (in shares)	79,909	79,744
Restricted stock awards using the treasury method (in shares)	0	187
Weighted average shares outstanding, Diluted (in shares)	79,909	79,931
Income per common share, Basic (in usd per share)	$ (0.02)	$ 0.11
Income per common share, Diluted (in usd per share)	$ (0.02)	$ 0.11