XML 81 R71.htm IDEA: XBRL DOCUMENT
v3.7.0.1

Debt Obligations, net (Secured Credit Facility Narrative) (Details) | 1 Months Ended | 6 Months Ended | 7 Months Ended |  |
--- | --- | --- | --- | --- | ---
Mar. 31, 2017 USD ($) lease property | Jan. 31, 2017 USD ($) | Dec. 31, 2016 USD ($) property | Mar. 31, 2015 USD ($) | Jun. 30, 2017 USD ($) | Dec. 31, 2016 USD ($) | Apr. 14, 2017 USD ($) | Aug. 31, 2016 USD ($)
2017 Secured Financing |  |  |  |  |  |  |  |
Line of Credit Facility [Line Items] |  |  |  |  |  |  |  |
Debt instrument, face amount | $ 227,000,000.0 |  |  |  | $ 227,000,000.0 |  | $ 227,000,000.0 |
Stated interest rates (as a percent) | 3.795% |  |  |  |  |  |  |
Number of properties collateralizing loan | property | 12 |  |  |  |  |  |  |
Number of ground net leases collateralizing loan | lease | 7 |  |  |  |  |  |  |
Number of master lease collateralizing loan | lease | 1 |  |  |  |  |  |  |
Number of properties covered under master lease agreement | property | 5 |  |  |  |  |  |  |
Deferred financing costs | $ 7,300,000 |  |  |  |  |  |  |
2016 Senior Secured Credit Facility |  |  |  |  |  |  |  |
Line of Credit Facility [Line Items] |  |  |  |  |  |  |  |
Debt instrument, face amount |  |  | $ 450,000,000.0 |  |  | $ 450,000,000.0 |  | $ 500,000,000.0
Percentage of par credit facilities were issued at |  |  |  |  | 99.00% |  |  |
Basis point spread on variable interest rate (as a percent) |  |  |  |  | 1.00% |  |  |
Multiple of the minimum collateral coverage on outstanding borrowings (at least) |  |  |  |  | 1.25 |  |  |
Required quarterly principal payment (as a percent) |  |  |  |  | 0.25% |  |  |
Deferred finance costs, gross |  |  |  |  |  | 4,500,000 |  |
Debt instrument, thirst party fees, amount recognized |  |  |  |  |  | 6,200,000 |  |
Debt issuance fees |  | $ 800,000 |  |  |  |  |  |
Debt instrument, third party fees, amount capitalized |  |  |  |  |  | 4,300,000 |  |
2016 Senior Secured Credit Facility | Other Expense |  |  |  |  |  |  |  |
Line of Credit Facility [Line Items] |  |  |  |  |  |  |  |
Debt instrument, thirst party fees, amount recognized |  |  |  |  |  | $ 1,900,000 |  |
2016 Senior Secured Credit Facility | London Interbank Offered Rate (LIBOR) |  |  |  |  |  |  |  |
Line of Credit Facility [Line Items] |  |  |  |  |  |  |  |
Basis point spread on variable interest rate (as a percent) |  |  |  |  | 3.75% | 4.50% |  |
2016 Senior Secured Credit Facility | London Interbank Offered Rate (LIBOR) | Minimum |  |  |  |  |  |  |  |
Line of Credit Facility [Line Items] |  |  |  |  |  |  |  |
Basis point spread on variable interest rate (as a percent) |  |  |  |  | 1.00% | 1.00% |  |
2016 Senior Secured Credit Facility | London Interbank Offered Rate (LIBOR) | Maximum |  |  |  |  |  |  |  |
Line of Credit Facility [Line Items] |  |  |  |  |  |  |  |
Basis point spread on variable interest rate (as a percent) |  |  |  |  | 2.75% |  |  |
2015 $250 Million Secured Revolving Credit Facility |  |  |  |  |  |  |  |
Line of Credit Facility [Line Items] |  |  |  |  |  |  |  |
Debt instrument, face amount |  |  |  |  | $ 250,000,000 |  |  |
Multiple of the minimum collateral coverage on outstanding borrowings (at least) |  |  |  |  | 1.5 |  |  |
Line of credit facility, maximum borrowing capacity |  |  |  | $ 250,000,000.0 | $ 234,600,000.0 |  |  |
Converted term loan, term |  |  |  |  | 1 year |  |  |
2015 $250 Million Secured Revolving Credit Facility | Minimum |  |  |  |  |  |  |  |
Line of Credit Facility [Line Items] |  |  |  |  |  |  |  |
Commitment fee percentage |  |  |  | 0.375% |  |  |  |
2015 $250 Million Secured Revolving Credit Facility | Maximum |  |  |  |  |  |  |  |
Line of Credit Facility [Line Items] |  |  |  |  |  |  |  |
Commitment fee percentage |  |  |  | 0.50% |  |  |  |
2015 $250 Million Secured Revolving Credit Facility | London Interbank Offered Rate (LIBOR) |  |  |  |  |  |  |  |
Line of Credit Facility [Line Items] |  |  |  |  |  |  |  |
Basis point spread on variable interest rate (as a percent) |  |  |  |  | 2.75% |  |  |
2015 $250 Million Secured Revolving Credit Facility | London Interbank Offered Rate (LIBOR) | Minimum |  |  |  |  |  |  |  |
Line of Credit Facility [Line Items] |  |  |  |  |  |  |  |
Basis point spread on variable interest rate (as a percent) |  |  |  |  | 1.00% |  |  |
2016 Secured Term Loan | Secured Debt |  |  |  |  |  |  |  |
Line of Credit Facility [Line Items] |  |  |  |  |  |  |  |
Debt instrument, face amount |  |  | $ 170,000,000.0 |  |  | $ 170,000,000.0 |  |
Number of properties collateralizing loan | property |  |  | 12 |  |  |  |  |
Safety, Income and Growth, Inc. | 2017 Secured Financing |  |  |  |  |  |  |  |
Line of Credit Facility [Line Items] |  |  |  |  |  |  |  |
Equity capitalization amount, at least |  |  |  |  | $ 500,000,000 |  |  |
Net worth, at least |  |  |  |  | $ 250,000,000 |  |  |

X
- Definition Converted Term Loan, Term + References No definition available. + Details
Name: | star_ConvertedTermLoanTerm
Namespace Prefix: | star_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

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, Lender Fees, Amount + References No definition available. + Details
Name: | star_DebtInstrumentLenderFeesAmount
Namespace Prefix: | star_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Debt Instrument, Number of Ground Net Leases Collateralizing Loan + References No definition available. + Details
Name: | star_DebtInstrumentNumberofGroundNetLeasesCollateralizingLoan
Namespace Prefix: | star_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | duration

X
- Definition Debt Instrument, Number of Master Lease Collateralizing Loan + References No definition available. + Details
Name: | star_DebtInstrumentNumberofMasterLeaseCollateralizingLoan
Namespace Prefix: | star_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | duration

X
- Definition Debt Instrument, Number of Properties Collateralizing Loan + References No definition available. + Details
Name: | star_DebtInstrumentNumberofPropertiesCollateralizingLoan
Namespace Prefix: | star_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | duration

X
- Definition Debt Instrument, Number of Properties Covered Under Master Lease Agreement + References No definition available. + Details
Name: | star_DebtInstrumentNumberofPropertiesCoveredUnderMasterLeaseAgreement
Namespace Prefix: | star_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | duration

X
- Definition Debt Instrument, Periodic Principal Payment, Percent + References No definition available. + Details
Name: | star_DebtInstrumentPeriodicPrincipalPaymentPercent
Namespace Prefix: | star_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition Debt Instrument, Third Party Fees, Amount Capitalized + References No definition available. + Details
Name: | star_DebtInstrumentThirdPartyFeesAmountCapitalized
Namespace Prefix: | star_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Debt Instrument, Third Party Fees, Amount Recognized + References No definition available. + Details
Name: | star_DebtInstrumentThirdPartyFeesAmountRecognized
Namespace Prefix: | star_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Guarantor Obligations, Recourse Triggering Event, Equity Capitalization Amount + References No definition available. + Details
Name: | star_GuarantorObligationsRecourseTriggeringEventEquityCapitalizationAmount
Namespace Prefix: | star_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Guarantor Obligations, Recourse Triggering Event, Net Assets + References No definition available. + Details
Name: | star_GuarantorObligationsRecourseTriggeringEventNetAssets
Namespace Prefix: | star_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Represents the percentage of principal amount used in the computation of issue price for the line of credit facility. + References No definition available. + Details
Name: | star_LineOfCreditFacilityIssuePriceAsPercentageOfPrincipalAmount
Namespace Prefix: | star_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | instant

X
- Definition Percentage points added to the reference rate to compute the variable rate on the debt instrument. + References No definition available. + Details
Name: | us-gaap_DebtInstrumentBasisSpreadOnVariableRate1
Namespace Prefix: | us-gaap_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition Face (par) amount of debt instrument at time of issuance. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 835 -SubTopic 30 -Section 55 -Paragraph 8 -URI http://asc.fasb.org/extlink&oid=64930739&loc=d3e28878-108400 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 835 -SubTopic 30 -Section 45 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=64930785&loc=d3e28551-108399 + Details
Name: | us-gaap_DebtInstrumentFaceAmount
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Contractual interest rate for funds borrowed, under the debt agreement. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.22(a)(1)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
Name: | us-gaap_DebtInstrumentInterestRateStatedPercentage
Namespace Prefix: | us-gaap_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | instant

X
- Definition The amount of debt issuance costs that were incurred during a noncash or partial noncash transaction. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 50 -Paragraph 5 -URI http://asc.fasb.org/extlink&oid=98513485&loc=d3e4332-108586 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 50 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=98513485&loc=d3e4304-108586 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 50 -Paragraph 4 -URI http://asc.fasb.org/extlink&oid=98513485&loc=d3e4313-108586 + Details
Name: | us-gaap_DebtIssuanceCostsIncurredDuringNoncashOrPartialNoncashTransaction
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Amount, before accumulated amortization, of debt issuance costs. Includes, but is not limited to, legal, accounting, underwriting, printing, and registration costs. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 835 -SubTopic 30 -Section 45 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=64930785&loc=d3e28555-108399 + Details
Name: | us-gaap_DeferredFinanceCostsGross
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
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_LineOfCreditFacilityLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.19(b),22(b)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
Name: | us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition The fee, expressed as a percentage of the line of credit facility, for available but unused credit capacity under the credit facility. + References No definition available. + Details
Name: | us-gaap_LineOfCreditFacilityUnusedCapacityCommitmentFeePercentage
Namespace Prefix: | us-gaap_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | us-gaap_LongtermDebtTypeAxis=star_A2017SecuredFinancingMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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

X
- Details
Name: | us-gaap_IncomeStatementLocationAxis=us-gaap_OtherExpenseMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_VariableRateAxis=us-gaap_LondonInterbankOfferedRateLIBORMember
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_LongtermDebtTypeAxis=star_SecuredCreditFacilityRevolverDueMarch2018Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DebtInstrumentAxis=star_A2016SecuredTermLoanMember
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: | dei_LegalEntityAxis=star_SafetyIncomeandGrowthInc.Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DebtInstrumentAxis=star_A2017SecuredFinancingMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |