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
	Mar. 31, 2014		Mar. 31, 2013
Class of Stock [Line Items]
Income from continuing operations	$ 2,761		$ 4,827
Net income from continuing operations attributable to noncontrolling interest	(89)		(209)
Preferred share dividends	(1,812)		(1,812)
Allocation of continuing income to restricted share awards	(50)		(35)
Allocation of over distributed continuing income to restricted share awards	0		(4)
NET INCOME AVAILABLE TO COMMON SHAREHOLDERS	860		3,237
Weighted average shares outstanding, Basic (in shares)	67,070		51,780
Stock options and restricted stock awards using the treasury method (in shares)	244		432
Dilutive effect of securities (in shares)	0	[1]	0	[1]
Weighted average shares outstanding, Diluted (in shares)	67,314		52,212
Income (loss) per common share, Diluted
Continuing operations (in usd per share)	$ 0.01		$ 0.05
Discontinued operations (in usd per share)	$ 0.00		$ 0.01
Net income (loss) available to common shareholders (in usd per share)	$ 0.01		$ 0.06
Diluted Shares
Class of Stock [Line Items]
Income from continuing operations attributable to RPT	810		2,767
Income from discontinued operations	0		447
Net income from discontinued operations attributable to noncontrolling interest	0		(16)
Allocation of discontinued income to restricted share awards	0		(1)
Income from discontinued operations attributable to RPT	0		430
NET INCOME AVAILABLE TO COMMON SHAREHOLDERS	$ 810		$ 3,197

[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.