XML 42 R31.htm IDEA: XBRL DOCUMENT
v3.10.0.1

BASIS OF PRESENTATION AND SIGNIFICANT ACCOUNTING POLICIES - Schedule of estimated useful lives of hotel properties (Details) | 6 Months Ended
--- | ---
Jun. 30, 2018
Buildings and improvements | Minimum |
Property, Plant and Equipment [Abstract] |
Estimated Useful Lives | 6 years
Buildings and improvements | Maximum |
Property, Plant and Equipment [Abstract] |
Estimated Useful Lives | 40 years
Furniture, fixtures and equipment | Minimum |
Property, Plant and Equipment [Abstract] |
Estimated Useful Lives | 2 years
Furniture, fixtures and equipment | Maximum |
Property, Plant and Equipment [Abstract] |
Estimated Useful Lives | 15 years

X
- References No definition available. + Details
Name: | us-gaap_PropertyPlantAndEquipmentAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Useful life of long lived, physical assets used in the normal conduct of business and not intended for resale, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. Examples include, but not limited to, land, buildings, machinery and equipment, office equipment, furniture and fixtures, and computer equipment. + References No definition available. + Details
Name: | us-gaap_PropertyPlantAndEquipmentUsefulLife
Namespace Prefix: | us-gaap_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | us-gaap_PropertyPlantAndEquipmentByTypeAxis=us-gaap_BuildingAndBuildingImprovementsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_RangeAxis=us-gaap_MinimumMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_RangeAxis=us-gaap_MaximumMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_PropertyPlantAndEquipmentByTypeAxis=inn_FurnitureFixturesAndEquipmentMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |