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	Jan. 13, 2022 $ / shares shares	Oct. 31, 2022 USD ($)	Mar. 31, 2024 USD ($) jointventure room hotel state Rate shares	Mar. 31, 2022 shares	Dec. 31, 2023	Jun. 30, 2022
Class of Stock [Line Items]
Number of joint ventures entered into | jointventure				3
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]
Number of guestrooms | unit	11
Percentage of equity interest in a joint venture			90.00%
Cash payments to acquire businesses | $			$ 5.2
Acquired property | $			2.0
Joint venture, fee simple interest in property and investments	100.00%
Area of land acquired | a	6.4
Joint venture, development cost | $				$ 0.9
Onera Joint Venture | Maximum
Class of Stock [Line Items]
Additional contingent consideration | $			$ 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				51.00%
Series E Preferred Units
Class of Stock [Line Items]
Preferred stock, dividend rate				6.25%
Series F Preferred Units
Class of Stock [Line Items]
Preferred stock, dividend rate				5.875%
Series Z Preferred Units
Class of Stock [Line Items]
Preferred stock, dividend rate				5.25%
Preferred stock, liquidation preference (in dollars per share) | $ / shares		$ 25,000
Preferred stock, redemption term, period		90 days
Hotels
Class of Stock [Line Items]
Guestrooms | hotel				99
Number of guestrooms | room				14,785
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]
General partner, ownership interest				51.00%
Guestrooms | room				40
AC/Element Hotel | Brickell Joint Venture
Class of Stock [Line Items]
Initial purchase option, ownership percentage							90.00%
Operating partnership | 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
Operating partnership | 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 guestrooms | room				5,454
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