- Definition

The deposits required under the agreement as a percentage of the hotel property's gross revenue, into a reserve fund for capital expenditures.

+ References

No definition available.

+ Details

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- Definition

The amount of fees expensed during the reporting period related to the agreement.

+ References

No definition available.

+ Details

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Data Type:	xbrli:monetaryItemType
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- Definition

The franchise fees received by each franchisor as a percentage of each real estate property's gross revenue under the agreement.

+ References

No definition available.

+ Details

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- Definition

The marketing fees payable by the entity as a percentage of gross revenue under the agreement.

+ References

No definition available.

+ Details

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Namespace Prefix:	inn_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

Period the contract is outstanding, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

+ References

No definition available.

+ Details

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Namespace Prefix:	inn_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

+ Details

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Data Type:	xbrli:stringItemType
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- Details

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- Details

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- Details

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COMMITMENTS AND CONTINGENCIES - Franchise Agreements and Management Agreements (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Franchise Agreements
Commitments and contingencies
Fees related to the agreement	$ 47.8	$ 47.7	$ 41.6
Franchise Agreements \| Minimum
Commitments and contingencies
Agreement term	10 years
Franchise fees received by each franchisor as a percentage of each hotel property's gross revenue	2.00%
Franchise Agreements \| Maximum
Commitments and contingencies
Agreement term	20 years
Franchise fees received by each franchisor as a percentage of each hotel property's gross revenue	6.00%
Marketing fees payable as a percentage of gross revenue	4.00%
Deposits required under the agreement as a percentage of the hotel property's gross revenue, into a reserve fund for capital expenditures	5.00%
Management Agreements
Commitments and contingencies
Fees related to the agreement	$ 16.6	$ 18.5	$ 18.2
Management Agreements \| Maximum
Commitments and contingencies
Agreement term	25 years