Noncontrolling Interests - Additional Information (Detail) (SUMMIT HOTEL OP, LP)	3 Months Ended		9 Months Ended
	Sep. 30, 2012	Jun. 30, 2012	Sep. 30, 2012	Dec. 31, 2011
SUMMIT HOTEL OP, LP
Redeemable Noncontrolling Interest [Line Items]
Common units owned by Operating Partnership	6,084,808		6,084,808	10,100,000
Percentage of limited partnership interest in Operating Partnership			16.00%
Common Units redeemed	745,130	3,270,062