Property and Equipment (Detail) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2013	Dec. 31, 2012
Property, Plant and Equipment [Line Items]
Land and improvements	$ 127,246	$ 121,209
Buildings and improvements	3,058,748	3,034,019
Equipment and software	316,696	315,391
Office furniture and fixtures	30,969	30,678
Construction in progress	93,187	60,492
Property and equipment, gross	3,626,846	3,561,789
Less: Accumulated depreciation	(1,080,233)	(995,307)
Property, and Equipment, total	$ 2,546,613	$ 2,566,482