Equity (Details 2) (USD $)	9 Months Ended		12 Months Ended	0 Months Ended
	Sep. 30, 2014	Sep. 30, 2014 Non-controlling interests SUMMIT HOTEL OP, LP	Dec. 31, 2013 Non-controlling interests SUMMIT HOTEL OP, LP	Jun. 30, 2014 Non-controlling interests Joint venture	Mar. 31, 2014 Non-controlling interests Joint venture
Number of shares of common stock issuable upon conversion of common units		1
Number of common units of operating partnership owned by unaffiliated third parties		1,025,307	811,425
Approximate percentage of limited partnership interest in operating partnership		1.00%	1.00%
Ownership interest in joint venture (as a percent)					81.00%
Ownership interest in joint venture by partners (as a percent)					19.00%
Remaining non-controlling interest acquired	$ 8,232,000			$ 8,200,000