Contingent Purchase Price Consideration - Additional Information (Detail) (USD $)
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3 Months Ended | 12 Months Ended | |||||||||||||||||
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Dec. 31, 2013
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Sep. 30, 2013
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Jun. 30, 2013
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Mar. 31, 2013
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Dec. 31, 2012
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Sep. 30, 2012
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Jun. 30, 2012
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Mar. 31, 2012
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Dec. 31, 2013
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Dec. 31, 2012
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Dec. 31, 2011
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Oct. 31, 2013
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Business Acquisition, Contingent Consideration [Line Items] | |||||||||||||||||||
Contingent purchase consideration | $ 507,000 | [1] | |||||||||||||||||
Operating income (loss) | (5,515,000) | (5,307,000) | (2,302,000) | (866,000) | (4,508,000) | (192,000) | (396,000) | (1,739,000) | (13,990,000) | (6,043,000) | (1,762,000) | ||||||||
Present value of yield guaranty | 2,664,000 | [2] | 2,664,000 | [2] | |||||||||||||||
Amount held in escrow | 3,700,000 | ||||||||||||||||||
Fair value of Contingent consideration | 4,488,000 | 4,488,000 | |||||||||||||||||
Change in fair value | 1,824,000 | ||||||||||||||||||
Capital Health Communities
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Business Acquisition, Contingent Consideration [Line Items] | |||||||||||||||||||
Contingent purchase consideration | 7,000,000 | ||||||||||||||||||
Present value of yield guaranty | 2,700,000 | 2,700,000 | |||||||||||||||||
Proceeds from escrow | 2,600,000 | ||||||||||||||||||
Amount held in escrow | 7,000,000 | 7,000,000 | |||||||||||||||||
Capital Health Communities | 2013
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Business Acquisition, Contingent Consideration [Line Items] | |||||||||||||||||||
Operating income (loss) | 6,900,000 | ||||||||||||||||||
Capital Health Communities | 2014
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Business Acquisition, Contingent Consideration [Line Items] | |||||||||||||||||||
Operating income (loss) | 7,000,000 | ||||||||||||||||||
Capital Health Communities | 2015
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Business Acquisition, Contingent Consideration [Line Items] | |||||||||||||||||||
Operating income (loss) | 7,100,000 | ||||||||||||||||||
Medical Portfolio I
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Business Acquisition, Contingent Consideration [Line Items] | |||||||||||||||||||
Contingent purchase consideration | $ 500,000 | ||||||||||||||||||
Expandable lease space under earn-out agreement | 10,000 | 10,000 | |||||||||||||||||
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