Condensed Consolidated Statements of Comprehensive Income (Unaudited) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2019	Mar. 31, 2018
Statement of Comprehensive Income [Abstract]
Net income	$ 12,900	$ 9,691
Other comprehensive income, net of tax:
Changes in fair value of derivative financial instruments	(5,558)	3,744
Comprehensive income	7,342	13,435
Comprehensive income attributable to non-controlling interests:
Less - Comprehensive income attributable to non-controlling interest in Operating Partnership	(9)	(15)
Comprehensive income attributable to Summit Hotel Properties, Inc.	7,333	13,420
Preferred dividends	(3,709)	(5,543)
Premium on redemption of preferred stock	0	(3,277)
Comprehensive income attributable to common stockholders	$ 3,624	$ 4,600