NON-CONTROLLING INTERESTS AND REDEEMABLE NON-CONTROLLING INTERESTS (Details) $ / shares in Units, $ in Millions		1 Months Ended		3 Months Ended	12 Months Ended
	Oct. 26, 2022 a unit	Oct. 31, 2022 USD ($) a	Jan. 31, 2022 $ / shares shares	Mar. 31, 2022 shares	Dec. 31, 2023 USD ($) room state hotel Rate shares	Dec. 31, 2022 USD ($) shares	May 19, 2023 hotel room	Jun. 30, 2022
Class of Stock [Line Items]
Number of joint ventures entered into					3
Guestrooms					123		467
Number of states in which hotel properties are located | state					24
Redeemable common unit, conversion ratio | Rate					100.00%
Onera Joint Venture
Class of Stock [Line Items]
Guestrooms | unit	11
Percentage of equity interest in a joint venture (as percent)		90.00%
Cash payments to acquire businesses | $		$ 5.2
Acquired property | $		$ 2.0
Joint venture, fee simple interest (as percent)	100.00%	100.00%
Area of land acquired (in acre) | a	6.4	6.4
Onera Joint Venture | Maximum
Class of Stock [Line Items]
Contingent consideration, liability | $		$ 1.8
Summit Hotel Operating Partnership | Non-Controlling Interests
Class of Stock [Line Items]
Limited partner, ownership percentage					13.00%	13.00%
Joint Venture with GIC | Joint Venture with GIC
Class of Stock [Line Items]
General partner, ownership interest (as percent)					51.00%
Incentive fee earned | $					$ 0.1	$ 0.8
Series Z Preferred Units
Class of Stock [Line Items]
Preferred stock, dividend rate					5.25%
Preferred stock, redemption price (in dollars per share) | $ / shares			$ 25
Preferred stock, redemption term, period			90 days
Hotels
Class of Stock [Line Items]
Guestrooms | hotel					100		4
Guestrooms					14,912
Hotels | Brickell Joint Venture
Class of Stock [Line Items]
Guestrooms | hotel					2
Hotels | Hotels Owned Through Joint Venture | Partially Owned Properties
Class of Stock [Line Items]
Guestrooms					41
AC/Element Hotel | Brickell Joint Venture
Class of Stock [Line Items]
Initial purchase option, ownership percentage								90.00%
Summit Hotel OP, LP | Hotels | Portfolio Purchase Through Contribution And Purchase Agreement | Operating Partnership Units
Class of Stock [Line Items]
Number of shares issued in asset acquisition (in shares) | shares				15,864,674
Summit Hotel OP, LP | Hotels | Portfolio Purchase Through Contribution And Purchase Agreement | Series Z Preferred Units
Class of Stock [Line Items]
Number of shares issued in asset acquisition (in shares) | shares			2,000,000
Temporary equity, shares issued (in shares) | shares					2,000,000
GIC | Joint Venture with GIC | Joint Venture with GIC
Class of Stock [Line Items]
Limited partner, ownership percentage					49.00%
Joint Venture with GIC | Hotels | Joint Venture with GIC
Class of Stock [Line Items]
Guestrooms					5,581
Number of states in which hotel properties are located | state					9
Brickell Joint Venture | Brickell Joint Venture
Class of Stock [Line Items]
Initial purchase option, ownership percentage								10.00%
Unaffiliated Third Parties | Summit Hotel Operating Partnership
Class of Stock [Line Items]
Limited partner capital account units conversion ratio					1
Number of common units owned (in shares) | shares					15,948,628	15,976,807