XML 93 R51.htm IDEA: XBRL DOCUMENT v3.3.0.814

Real Estate (Allowance for doubtful accounts) (Details) - USD ($) $ in Millions	Sep. 30, 2015	Dec. 31, 2014
Real Estate Tenant Receivables
Schedule of Operating Lease Allowance for Doubtful Accounts [Line Items]
Allowance for Doubtful Accounts Receivable	$ 2.0	$ 1.3
Deferred Operating Lease
Schedule of Operating Lease Allowance for Doubtful Accounts [Line Items]
Allowance for Doubtful Accounts Receivable	$ 2.4	$ 2.4

X

- Definition

[Line Items] for Schedule of Operating Lease Allowance for Doubtful Accounts [Table]

+ References

No definition available.

+ Details

Name:	star_ScheduleofOperatingLeaseAllowanceforDoubtfulAccountsLineItems
Namespace Prefix:	star_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

X

- Definition

For an unclassified balance sheet, a valuation allowance for receivables due a company that are expected to be uncollectible.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef



-Publisher FASB



-Name Accounting Standards Codification



-Topic 310



-SubTopic 10



-Section 50



-Paragraph 4



-URI http://asc.fasb.org/extlink&oid=49124121&loc=d3e5074-111524



Reference 2: http://www.xbrl.org/2003/role/presentationRef



-Publisher FASB



-Name Accounting Standards Codification



-Topic 210



-SubTopic 10



-Section S99



-Paragraph 1



-Subparagraph (SX 210.5-02.4)



-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

+ Details

Name:	us-gaap_AllowanceForDoubtfulAccountsReceivable
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

X

- Details

Name:	us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis=star_RealEstateTenantReceivablesMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis=star_DeferredOperatingLeaseMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: