XML 107 R51.htm IDEA: XBRL DOCUMENT
v2.4.0.6

Estimated Useful Lives (Detail) | 12 Months Ended
--- | ---
Dec. 31, 2012
Buildings and improvements | Minimum |
Significant Accounting Policies [Line Items] |
Estimated useful life of property, plant, and equipment | 25 years
Buildings and improvements | Maximum |
Significant Accounting Policies [Line Items] |
Estimated useful life of property, plant, and equipment | 40 years
Furniture and Fixtures | Minimum |
Significant Accounting Policies [Line Items] |
Estimated useful life of property, plant, and equipment | 2 years
Furniture and Fixtures | Maximum |
Significant Accounting Policies [Line Items] |
Estimated useful life of property, plant, and equipment | 15 years

X
- Details
Name: | inn_SignificantAccountingPoliciesLineItems
Namespace Prefix: | inn_
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