NON-CONTROLLING INTERESTS AND REDEEMABLE NON-CONTROLLING INTERESTS (Details) $ / shares in Units, $ in Millions			1 Months Ended	2 Months Ended	9 Months Ended	12 Months Ended
	Oct. 26, 2022 USD ($) room	Jan. 13, 2022 $ / shares shares	Oct. 31, 2022 USD ($)	Mar. 23, 2022 shares	Sep. 30, 2023 room state hotel Rate shares	Dec. 31, 2022 shares	Sep. 27, 2023 room	May 19, 2023 hotel room	Oct. 26, 2022	Oct. 26, 2022 USD ($)	Oct. 26, 2022 a	Oct. 26, 2022 unit	Jun. 30, 2022	Jun. 10, 2022
Class of Stock [Line Items]
Number of joint ventures entered into					3
Number of guestrooms							123	467
Number of states in which hotel properties are located | state					24
Initial purchase option, ownership percentage														90.00%
Redeemable common unit, conversion ratio | Rate					100.00%
Onera Joint Venture
Class of Stock [Line Items]
Number of guestrooms	11											11
Percentage of equity interest in a joint venture			90.00%						90.00%
Cash payments to acquire businesses | $	$ 5.2		$ 5.2
Acquired property | $			2.0
Joint venture, fee simple interest in property and investments	100.00%
Area of land acquired | a											6.4
Onera Joint Venture | Maximum
Class of Stock [Line Items]
Additional contingent consideration | $			$ 1.8							$ 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					101			4
Number of guestrooms					15,035
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					41
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					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					15,969,807	15,976,807