Equity Investments in Unconsolidated Joint Ventures - Summary of Combined Financial Information of Unconsolidated Entities, Statements of Operations (Detail) (USD $) In Thousands, unless otherwise specified	3 Months Ended				6 Months Ended
	Jun. 30, 2014		Jun. 30, 2013		Jun. 30, 2014		Jun. 30, 2013
Equity Method Investments and Joint Ventures [Abstract]
Total revenue	$ 10,578		$ 10,736		$ 21,502		$ 21,729
Total expenses	7,035	[1]	7,251	[1]	24,961	[1]	14,872	[1]
Income (loss) before other income, expense, and discontinued operations	3,543		3,485		(3,459)		6,857
Gain on sale of land	740	[2]	0	[2]	740	[2]	0	[2]
Interest expense	(1,816)		(2,302)		(3,691)		(4,967)
Gain on extinguishment of debt	0	[3]	0	[3]	529	[3]	0	[3]
Amortization of deferred financing fees	(77)		(66)		(152)		(129)
Income (loss) from continuing operations	2,390		1,117		(6,033)		1,761
Discontinued operations
Loss on sale of real estate	0	[4]	(295)	[4]	0	[4]	(21,512)	[4]
Income from discontinued operations	0		(8)		0		1,146
Loss from discontinued operations	0		(303)		0		(20,366)
Net income (loss)	2,390		814		(6,033)		(18,605)
RPT's share of gain (loss) from unconsolidated joint ventures	$ 816	[5]	$ 260	[5]	$ (719)	[5]	$ (5,414)	[5]

[1] The increase for the six months ended June 30, 2014 is due to depreciation expense related to a redevelopment project.

[2] The gain on sale relates to a joint venture property that was sold in 2011 and additional proceeds received in June 2014. Our share of the gain was approximately $0.4 million.

[3] As a result of a property conveyance, a joint venture recognized a gain on extinguishment of debt of which our share was approximately $0.1 million.

[4] In March 2013, Ramco/Lion Venture LP sold 12 shopping centers to us resulting in a loss on the sale of $21.5 million to the joint venture.

[5] For the six months ended June 30, 2014, we recognized additional loss of $72 thousand to write-off costs related to our Ramco 191 LLC joint venture increasing our total loss from unconsolidated joint ventures.