Reit Conversion - Additional Information (Detail) (USD $)	1 Months Ended	3 Months Ended
	Oct. 31, 2012	Mar. 31, 2014	Mar. 31, 2013
Real Estate Properties [Line Items]
Sales price of management rights and intellectual property	$ 210,000,000
Purchase price to the Management Rights	190,000,000
Purchase price IP Rights	20,000,000
Term of management rights for income amortization		65 years
REIT conversion costs			14,992,000
REIT Conversion [Member]
Real Estate Properties [Line Items]
REIT conversion costs		0	15,000,000
Employment severance and retention costs			11,200,000
Professional fees			1,100,000
Various other transition costs			$ 2,700,000