NON-CONTROLLING INTERESTS AND REDEEMABLE NON-CONTROLLING INTERESTS (Details) $ / shares in Units, $ in Millions	1 Months Ended		3 Months Ended	12 Months Ended
	Oct. 31, 2022 USD ($)	Jan. 31, 2022 $ / shares shares	Mar. 31, 2022 shares	Dec. 31, 2024 USD ($) a hotel jointventure state room property unit Rate shares	Dec. 31, 2023 USD ($) shares	Apr. 30, 2024 hotel	May 31, 2023 hotel room	Jun. 30, 2022
Class of Stock [Line Items]
Number of joint ventures entered into | jointventure				3
Number of units in real estate property | room							467
Number of states in which hotel properties are located | state				25
Redeemable common unit, conversion ratio | Rate				100.00%
Onera Joint Venture
Class of Stock [Line Items]
Number of units in real estate property | 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%
Area of land acquired (in acre) | a				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 | $				$ 0.6	$ 0.1
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				97		2	4
Number of units in real estate property | room				14,553
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 | property				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]
Number of units in real estate property | room				5,733
Number of states in which hotel properties are located | state				11
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				15,933,073	15,948,628