NON-CONTROLLING INTERESTS AND REDEEMABLE NON-CONTROLLING INTERESTS (Details)		1 Months Ended	3 Months Ended		9 Months Ended		12 Months Ended
	Jan. 13, 2022 $ / shares shares	Jun. 30, 2025 unit	Sep. 30, 2025 hotel room state property Rate shares	Sep. 30, 2024 shares	Sep. 30, 2025 hotel jointventure room state property Rate shares	Sep. 30, 2024 shares	Dec. 31, 2024 shares	Oct. 31, 2022	Jun. 30, 2022	Mar. 31, 2022 shares	Jan. 31, 2022 shares
Class of Stock [Line Items]
Common stock redemption of common units (in shares)					2,923,797	5,310
Number of joint ventures entered into | jointventure					3
Number of states in which hotel properties are located | state			25		25
Redeemable common unit, conversion ratio | Rate			100.00%		100.00%
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
Preferred stock, redemption term, period	90 days
6.25% Series E Preferred Stock
Class of Stock [Line Items]
Preferred stock, dividend rate					6.25%		6.25%
5.875% Series F Preferred Stock
Class of Stock [Line Items]
Preferred stock, dividend rate					5.875%		5.875%
Onera Joint Venture
Class of Stock [Line Items]
Initial purchase option, ownership percentage									10.00%
Percentage of equity interest in a joint venture								90.00%
Joint venture, fee simple interest in property and investments					100.00%
Number of property lodging unit | unit		35
Onera Joint Venture | Fredericksburg, TX
Class of Stock [Line Items]
Number of property lodging unit | unit		23
Hotel
Class of Stock [Line Items]
Number of Real Estate Properties | hotel			97		97
Number of units in real estate property | room			14,577		14,577
Brickell Joint Venture | Hotel
Class of Stock [Line Items]
Number of Real Estate Properties | hotel			2		2
Joint Venture with GIC | Joint Venture with GIC
Class of Stock [Line Items]
General partner, ownership interest					51.00%
Hotels Owned Through Joint Venture | Hotel | Partially Owned Properties
Class of Stock [Line Items]
Number of Real Estate Properties | property			41		41
Common Stock
Class of Stock [Line Items]
Common stock redemption of common units (in shares)				5,000	2,923,797	5,310
Non-controlling Interests | Summit Hotel Operating Partnership
Class of Stock [Line Items]
Limited partner, ownership percentage					11.00%		13.00%
GIC | Joint Venture with GIC | Joint Venture with GIC
Class of Stock [Line Items]
Limited partner, ownership percentage					49.00%
Joint Venture with GIC | Joint Venture with GIC | Hotel
Class of Stock [Line Items]
Number of units in real estate property | room			5,732		5,732
Number of states in which hotel properties are located | state			11		11
Brickell Joint Venture | Brickell Joint Venture
Class of Stock [Line Items]
Initial purchase option, ownership percentage									10.00%
Operating partnership | Hotel | 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)	2,000,000
Temporary equity, shares issued (in shares)										2,000,000	2,000,000
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)			13,009,276		13,009,276		15,933,073