XML 104 R90.htm IDEA: XBRL DOCUMENT
v3.10.0.1

Debt Obligations, net (Debt Covenants) (Details) | Dec. 31, 2018
--- | ---
Unsecured Debt |
Debt Instrument [Line Items] |
Unencumbered assets to unsecured indebtedness ratio | 1.2
Consolidated fixed charge coverage ratio | 1.5
Secured Debt | 2016 Senior Term Loan |
Debt Instrument [Line Items] |
Collateral coverage ratio | 1.25
Secured Debt | 2015 $325 Million Revolving Credit Facility |
Debt Instrument [Line Items] |
Borrowing base asset value ratio | 1.5
Cash flow to fixed charges ratio | 1.5

X
- Definition Debt Instrument Covenant Borrowing Base Asset Value Ratio + References No definition available. + Details
Name: | star_DebtInstrumentCovenantBorrowingBaseAssetValueRatio
Namespace Prefix: | star_
Data Type: | xbrli:pureItemType
Balance Type: | na
Period Type: | instant

X
- Definition Debt Instrument, Covenant, Cash Flow To Fixed Charges Ratio + References No definition available. + Details
Name: | star_DebtInstrumentCovenantCashFlowToFixedChargesRatio
Namespace Prefix: | star_
Data Type: | xbrli:pureItemType
Balance Type: | na
Period Type: | instant

X
- Definition Represents the multiple of the minimum collateral coverage on outstanding borrowings required under the terms of the debt covenant. + References No definition available. + Details
Name: | star_DebtInstrumentCovenantMultipleofMinimumCollateralCoverageonOutstandingBorrowings
Namespace Prefix: | star_
Data Type: | xbrli:pureItemType
Balance Type: | na
Period Type: | instant

X
- Definition Debt Instrument, Covenant, Multiple of Minimum Fixed Charges on Outstanding Borrowings + References No definition available. + Details
Name: | star_DebtInstrumentCovenantMultipleofMinimumFixedChargesonOutstandingBorrowings
Namespace Prefix: | star_
Data Type: | xbrli:pureItemType
Balance Type: | na
Period Type: | instant

X
- Definition Represents the minimum ratio of encumbered assets to unsecured indebtedness required under the terms of the debt covenant. + References No definition available. + Details
Name: | star_DebtInstrumentCovenantRatioOfUnencumberedAssetsToUnsecuredIndebtedness
Namespace Prefix: | star_
Data Type: | xbrli:pureItemType
Balance Type: | na
Period Type: | instant

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

X
- Details
Name: | us-gaap_LongtermDebtTypeAxis=us-gaap_UnsecuredDebtMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_LongtermDebtTypeAxis=us-gaap_SecuredDebtMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DebtInstrumentAxis=star_A2016SeniorSecuredCreditFacilityMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DebtInstrumentAxis=star_SecuredRevolvingCreditFacilityDueSeptember2020Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |