DEBT - Narrative (Details)	Sep. 30, 2024 property loan	Dec. 31, 2023
Debt Disclosure [Abstract]
Number of secured loans \| loan	2
Number of properties that served as collateral for loans \| property	3
Weighted average interest rate for all borrowings	5.25%	5.31%

The number of real estate properties pledged to secure a debt instrument.

No definition available.

Name:	inn_DebtInstrumentCollateralNumberOfRealEstateProperties
Namespace Prefix:	inn_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	instant