Earnings Per Common Share - Computation of Diluted Earnings Per Share ("EPS") (Detail) (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended				6 Months Ended
	Jun. 30, 2014		Jun. 30, 2013		Jun. 30, 2014		Jun. 30, 2013
Earnings Per Share, Diluted, by Common Class, Including Two Class Method [Line Items]
Income from continuing operations	$ 1,120		$ 4,092		$ 3,881		$ 8,919
Net income from continuing operations attributable to noncontrolling interest	(34)		(147)		(123)		(357)
Preferred share dividends	(1,813)		(1,813)		(3,625)		(3,625)
Allocation of continuing income to restricted share awards	(44)		(38)		(94)		(76)
Allocation of over distributed continuing income to restricted share awards	0		(4)		0		(8)
Income from discontinued operations	0		1,690		0		2,137
Net income from discontinued operations attributable to noncontrolling interest	0		(61)		0		(76)
NET (LOSS) INCOME AVAILABLE TO COMMON SHAREHOLDERS	(727)		3,761		133		6,998
Weighted average shares outstanding, Basic (in shares)	68,853		59,911		67,966		55,867
Stock options and restricted stock awards using the treasury method (in shares)	244		408		243		410
Dilutive effect of securities (in shares)	0	[1]	0	[1]	0	[1]	0	[1]
Weighted average shares outstanding, Diluted (in shares)	69,097		60,319		68,209		56,277
(Loss) income per common share, Basic
Continuing operations (in usd per share)	$ (0.01)		$ 0.03		$ 0.00		$ 0.08
Discontinued operations (in usd per share)	$ 0.00		$ 0.03		$ 0.00		$ 0.04
Net (loss) income available to common shareholders (in usd per share)	$ (0.01)		$ 0.06		$ 0.00		$ 0.12
Diluted EPS
Earnings Per Share, Diluted, by Common Class, Including Two Class Method [Line Items]
(Loss) income from continuing operations attributable to RPT	(771)		2,090		39		4,853
Allocation of discontinued income to restricted share awards	0		(2)		0		(2)
Income from discontinued operations attributable to RPT	0		1,627		0		2,059
NET (LOSS) INCOME AVAILABLE TO COMMON SHAREHOLDERS	$ (771)		$ 3,717		$ 39		$ 6,912

[1] The assumed conversion of preferred shares are anti-dilutive for all periods presented and accordingly, have been excluded from the weighted average common shares used to compute diluted EPS.