XML 47 R49.htm IDEA: XBRL DOCUMENT
v2.4.0.8

Real estate (Details 9) (USD $) In Millions, unless otherwise specified | Jun. 30, 2013 | Dec. 31, 2012
--- | --- | ---
Real Estate [Abstract] |  |
Allowance for doubtful accounts related to real estate tenant receivables | $ 6.0 | $ 5.6

X
- Definition Represents the allowance for doubtful accounts related to tenant receivables, including deferred operating lease income receivable. + References No definition available. + Details
Name: | sfi_AllowanceForDoubtfulAccountsRelatedToTenantReceivables
Namespace Prefix: | sfi_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Details
Name: | us-gaap_RealEstateAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration