Total Revenues and Net Income (Loss) of Hotels Acquired (Detail) (USD $)	3 Months Ended		7 Months Ended	9 Months Ended	3 Months Ended		9 Months Ended		3 Months Ended	9 Months Ended
	Sep. 30, 2012	Sep. 30, 2011	Sep. 30, 2011	Sep. 30, 2012	Sep. 30, 2012 Business Acquisitions Twenty Eleven	Sep. 30, 2011 Business Acquisitions Twenty Eleven	Sep. 30, 2012 Business Acquisitions Twenty Eleven	Sep. 30, 2011 Business Acquisitions Twenty Eleven	Sep. 30, 2012 Business Acquisitions Twenty Twelve	Sep. 30, 2012 Business Acquisitions Twenty Twelve
Business Combination, Separately Recognized Transactions [Line Items]
Revenue	$ 51,233,907	$ 40,436,576	$ 95,571,055	$ 138,424,861	$ 4,338,000	$ 4,022,000	$ 12,496,000	$ 6,222,000	$ 5,808,000	$ 11,457,000
Net income	$ 1,562,378	$ 30,238	$ (707,252)	$ (253,953)	$ 748,000	$ 913,000	$ 2,070,000	$ 1,474,000	$ 448,000	$ 1,055,000