Consolidated Statements of Comprehensive Income - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Statement of Comprehensive Income [Abstract]
Net income	$ 82,348	$ 91,126	$ 99,521
Other comprehensive income, net of tax:
Changes in fair value of derivative financial instruments	(14,596)	(2,900)	2,437
Comprehensive income	67,752	88,226	101,958
Comprehensive (income) loss attributable to non-controlling interests:
Operating Partnership	(123)	(197)	(316)
Joint venture	419	0	0
Comprehensive income attributable to Summit Hotel Properties, Inc.	68,048	88,029	101,642
Preferred dividends	(14,838)	(16,671)	(17,408)
Premium on redemption of preferred stock	0	(3,277)	(2,572)
Comprehensive income attributable to common stockholders	$ 53,210	$ 68,081	$ 81,662