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Investment in Real Estate Joint Ventures - Additional Information (Detail) (USD $)				3 Months Ended
	May 13, 2013 Subsequent Event	May 13, 2013 Smith's Landing Subsequent Event	May 13, 2013 Bermuda Crossroads Subsequent Event	Mar. 31, 2013 Predecessor	Mar. 31, 2012 Predecessor	Mar. 31, 2013 Predecessor Smith's Landing	Mar. 31, 2012 Predecessor Smith's Landing	Dec. 31, 2012 Predecessor Smith's Landing	May 13, 2013 Predecessor Smith's Landing Subsequent Event	May 13, 2013 Predecessor Bermuda Crossroads Subsequent Event
Investments In Affiliates Subsidiaries Associates And Joint Ventures [Line Items]
Equity method investment						$ (700,000)		$ (700,000)
Equity in earnings (losses) of equity method investment				93,000	59,000	100,000	100,000
Ownership interest after acquisition		100.00%	100.00%
Fair value of net assets acquired		12,500,000	6,100,000
Debt assumed in acquisition		25,000,000	11,100,000
Equity interest acquired in acquisition		60.00%	50.00%
Consideration paid to acquire interest		7,400,000	3,000,000
Equity method investment, ownership percentage									40.00%	50.00%
Fair value of equity interests									5,000,000	3,000,000
Gain recognized on remeasuresment	$ 8,700,000