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Selected Consolidated Quarterly Financial Data (Detail) (USD $) In Thousands, except Per Share data, unless otherwise specified	1 Months Ended	3 Months Ended							11 Months Ended	12 Months Ended		1 Months Ended	12 Months Ended	1 Months Ended	3 Months Ended							11 Months Ended	12 Months Ended
	Mar. 31, 2011	Dec. 31, 2012	Sep. 30, 2012	Jun. 30, 2012	Mar. 31, 2012	Dec. 31, 2011	Sep. 30, 2011	Jun. 30, 2011	Dec. 31, 2011	Dec. 31, 2012	Dec. 31, 2011	Feb. 13, 2011 Predecessor	Dec. 31, 2010 Predecessor	Mar. 31, 2011 SUMMIT HOTEL OP, LP	Dec. 31, 2012 SUMMIT HOTEL OP, LP	Sep. 30, 2012 SUMMIT HOTEL OP, LP	Jun. 30, 2012 SUMMIT HOTEL OP, LP	Mar. 31, 2012 SUMMIT HOTEL OP, LP	Dec. 31, 2011 SUMMIT HOTEL OP, LP	Sep. 30, 2011 SUMMIT HOTEL OP, LP	Jun. 30, 2011 SUMMIT HOTEL OP, LP	Dec. 31, 2011 SUMMIT HOTEL OP, LP	Dec. 31, 2012 SUMMIT HOTEL OP, LP	Dec. 31, 2011 SUMMIT HOTEL OP, LP
Quarterly Financial Information [Line Items]
Total revenues	$ 18,105	$ 51,423	$ 50,804	$ 47,213	$ 40,102	$ 33,568	$ 40,033	$ 36,815	$ 128,521	$ 189,542		$ 14,142	$ 128,592	$ 18,105	$ 51,423	$ 50,804	$ 47,213	$ 40,102	$ 33,568	$ 40,033	$ 36,815	$ 128,521	$ 189,542
Net income (loss) from continuing operations	(1,683)	(3,495)	1,033	444	(1,609)	(2,956)	(941)	474	(5,106)	(3,627)	(5,106)	(5,784)	(21,045)	(1,683)	(3,495)	1,033	444	(1,609)	(2,956)	(941)	474	(5,106)	(3,627)	(5,106)
Net income (loss) from discontinued operations	69	2,746	608	(801)	(1,196)	(252)	982	130	929	1,357		(423)	125	69	2,746	608	(801)	(1,196)	(252)	982	130	929	1,357
Net income (loss) attributable to common stockholders	$ (1,178)	$ (1,978)	$ 406	$ (1,238)	$ (2,891)	$ (2,641)	$ 30	$ 441	$ (3,348)	$ (5,701)		$ (6,207)	$ (20,920)	$ (1,614)	$ (1,906)	$ 485	$ (1,513)	$ (3,961)	$ (3,619)	$ 41	$ 604	$ (4,588)	$ (6,895)
Earnings per share - basic and diluted:
Net income (loss) from continuing operations	$ (0.04)	$ (0.12)	$ 0.01	$ (0.01)	$ (0.08)	$ (0.12)	$ (0.01)	$ 0.01	$ (0.15)	$ (0.20)	$ (0.15)			$ (0.04)	$ (0.12)	$ 0.01	$ (0.01)	$ (0.08)	$ (0.11)	$ (0.01)	$ 0.01	$ (0.15)	$ (0.20)	$ (0.15)
Net income (loss) from discontinued operations		$ 0.09		$ (0.03)	$ (0.03)	$ 0.02	$ 0.01	$ 0.01	$ 0.03	$ 0.03	$ 0.03				$ 0.09		$ (0.03)	$ (0.03)	$ 0.01	$ 0.01	$ 0.01	$ 0.03	$ 0.03	$ 0.03
Net income (loss) attributable to common stockholders	$ (0.04)	$ (0.03)	$ 0.01	$ (0.04)	$ (0.11)	$ (0.10)		$ 0.02	$ (0.12)	$ (0.17)	$ (0.12)			$ (0.04)	$ (0.03)	$ 0.01	$ (0.04)	$ (0.11)	$ (0.10)		$ 0.02	$ (0.12)	$ (0.17)	$ (0.12)

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