Consolidated Statements of Comprehensive Income (Loss) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Statement of Comprehensive Income [Abstract]
Net (loss) income	$ (149,245)	$ 82,348	$ 91,126
Other comprehensive (loss) income, net of tax:
Changes in fair value of derivative financial instruments	(14,673)	(14,596)	(2,900)
Comprehensive (loss) income	(163,918)	67,752	88,226
Comprehensive loss (income) attributable to non-controlling interests:
Operating Partnership	296	(123)	(197)
Joint venture	5,635	419	0
Comprehensive (loss) income attributable to Summit Hotel Properties, Inc.	(157,987)	68,048	88,029
Preferred dividends	(14,838)	(14,838)	(16,671)
Premium on redemption of preferred stock	0	0	(3,277)
Comprehensive (loss) income attributable to common stockholders	$ (172,825)	$ 53,210	$ 68,081