SELECTED QUARTERLY FINANCIAL DATA (UNAUDITED) (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended								12 Months Ended
	Dec. 31, 2016	Sep. 30, 2016	Jun. 30, 2016	Mar. 31, 2016	Dec. 31, 2015	Sep. 30, 2015	Jun. 30, 2015	Mar. 31, 2015	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
Quarterly Financial Information Disclosure [Abstract]
Total revenues	$ 110,322	$ 118,336	$ 127,195	$ 118,082	$ 110,039	$ 125,091	$ 120,677	$ 107,648	$ 473,935	$ 463,455	$ 403,466
Income from continuing operations	10,374	27,198	21,955	48,734	84,758	13,606	16,301	10,591	108,261	125,256	20,431
Net income	10,374	27,198	21,955	48,734	84,758	13,606	16,301	10,591	108,261	125,256	20,923
Net income attributable to Summit Hotel Properties, Inc.	$ 10,372	$ 27,083	$ 21,865	$ 48,485	$ 84,159	$ 13,540	$ 16,204	$ 10,534	$ 107,805	$ 124,437	$ 20,871
Earnings per share - Basic and diluted	$ 0.04	$ 0.25	$ 0.20	$ 0.51
Basic (in dollars per share)					$ 0.93	$ 0.11	$ 0.14	$ 0.07	$ 1.00	$ 1.25	$ 0.05
Diluted (in dollars per share)					$ 0.92	$ 0.11	$ 0.14	$ 0.07	$ 1.00	$ 1.24	$ 0.05