XML 34 R1.htm IDEA: XBRL DOCUMENT
v3.22.1

Cover | May 03, 2022
--- | ---
Document Information [Line Items] |
Document Type | 8-K
Document Period End Date | May 03, 2022
Entity File Number | 1-15371
Entity Registrant Name | iStar Inc.
Entity Incorporation, State or Country Code | MD
Entity Tax Identification Number | 95-6881527
Entity Address, Address Line One | 1114 Avenue of the Americas
Entity Address, Address Line Two | 39th Floor
Entity Address, City or Town | New York
Entity Address, State or Province | NY
Entity Address, Postal Zip Code | 10036
City Area Code | 212
Local Phone Number | 930-9400
Written Communications | false
Soliciting Material | false
Pre-commencement Tender Offer | false
Pre-commencement Issuer Tender Offer | false
Entity Emerging Growth Company | false
Entity Central Index Key | 0001095651
Amendment Flag | false
Common Stock |
Document Information [Line Items] |
Title of 12(b) Security | Common Stock, $0.001 par value
Trading Symbol | STAR
Security Exchange Name | NYSE
Series D |
Document Information [Line Items] |
Title of 12(b) Security | 8.00% Series D Cumulative Redeemable Preferred Stock, $0.001 par value
Trading Symbol | STAR-PD
Security Exchange Name | NYSE
Series G |
Document Information [Line Items] |
Title of 12(b) Security | 7.65% Series G Cumulative Redeemable Preferred Stock, $0.001 par value
Trading Symbol | STAR-PG
Security Exchange Name | NYSE
Series I |
Document Information [Line Items] |
Title of 12(b) Security | 7.50% Series I Cumulative Redeemable Preferred Stock, $0.001 par value
Trading Symbol | STAR-PI
Security Exchange Name | NYSE

X
- Definition Boolean flag that is true when the XBRL content amends previously-filed or accepted submission. + References No definition available. + Details
Name: | dei_AmendmentFlag
Namespace Prefix: | dei_
Data Type: | xbrli:booleanItemType
Balance Type: | na
Period Type: | duration

X
- Definition Area code of city + References No definition available. + Details
Name: | dei_CityAreaCode
Namespace Prefix: | dei_
Data Type: | xbrli:normalizedStringItemType
Balance Type: | na
Period Type: | duration

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: | dei_DocumentInformationLineItems
Namespace Prefix: | dei_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition For the EDGAR submission types of Form 8-K: the date of the report, the date of the earliest event reported; for the EDGAR submission types of Form N-1A: the filing date; for all other submission types: the end of the reporting or transition period. The format of the date is YYYY-MM-DD. + References No definition available. + Details
Name: | dei_DocumentPeriodEndDate
Namespace Prefix: | dei_
Data Type: | xbrli:dateItemType
Balance Type: | na
Period Type: | duration

X
- Definition The type of document being provided (such as 10-K, 10-Q, 485BPOS, etc). The document type is limited to the same value as the supporting SEC submission type, or the word 'Other'. + References No definition available. + Details
Name: | dei_DocumentType
Namespace Prefix: | dei_
Data Type: | dei:submissionTypeItemType
Balance Type: | na
Period Type: | duration

X
- Definition Address Line 1 such as Attn, Building Name, Street Name + References No definition available. + Details
Name: | dei_EntityAddressAddressLine1
Namespace Prefix: | dei_
Data Type: | xbrli:normalizedStringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Address Line 2 such as Street or Suite number + References No definition available. + Details
Name: | dei_EntityAddressAddressLine2
Namespace Prefix: | dei_
Data Type: | xbrli:normalizedStringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Name of the City or Town + References No definition available. + Details
Name: | dei_EntityAddressCityOrTown
Namespace Prefix: | dei_
Data Type: | xbrli:normalizedStringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Code for the postal or zip code + References No definition available. + Details
Name: | dei_EntityAddressPostalZipCode
Namespace Prefix: | dei_
Data Type: | xbrli:normalizedStringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Name of the state or province. + References No definition available. + Details
Name: | dei_EntityAddressStateOrProvince
Namespace Prefix: | dei_
Data Type: | dei:stateOrProvinceItemType
Balance Type: | na
Period Type: | duration

X
- Definition A unique 10-digit SEC-issued value to identify entities that have filed disclosures with the SEC. It is commonly abbreviated as CIK. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation 12B -Number 240 -Section 12 -Subsection b-2 + Details
Name: | dei_EntityCentralIndexKey
Namespace Prefix: | dei_
Data Type: | dei:centralIndexKeyItemType
Balance Type: | na
Period Type: | duration

X
- Definition Indicate if registrant meets the emerging growth company criteria. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation 12B -Number 240 -Section 12 -Subsection b-2 + Details
Name: | dei_EntityEmergingGrowthCompany
Namespace Prefix: | dei_
Data Type: | xbrli:booleanItemType
Balance Type: | na
Period Type: | duration

X
- Definition Commission file number. The field allows up to 17 characters. The prefix may contain 1-3 digits, the sequence number may contain 1-8 digits, the optional suffix may contain 1-4 characters, and the fields are separated with a hyphen. + References No definition available. + Details
Name: | dei_EntityFileNumber
Namespace Prefix: | dei_
Data Type: | dei:fileNumberItemType
Balance Type: | na
Period Type: | duration

X
- Definition Two-character EDGAR code representing the state or country of incorporation. + References No definition available. + Details
Name: | dei_EntityIncorporationStateCountryCode
Namespace Prefix: | dei_
Data Type: | dei:edgarStateCountryItemType
Balance Type: | na
Period Type: | duration

X
- Definition The exact name of the entity filing the report as specified in its charter, which is required by forms filed with the SEC. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation 12B -Number 240 -Section 12 -Subsection b-2 + Details
Name: | dei_EntityRegistrantName
Namespace Prefix: | dei_
Data Type: | xbrli:normalizedStringItemType
Balance Type: | na
Period Type: | duration

X
- Definition The Tax Identification Number (TIN), also known as an Employer Identification Number (EIN), is a unique 9-digit value assigned by the IRS. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation 12B -Number 240 -Section 12 -Subsection b-2 + Details
Name: | dei_EntityTaxIdentificationNumber
Namespace Prefix: | dei_
Data Type: | dei:employerIdItemType
Balance Type: | na
Period Type: | duration

X
- Definition Local phone number for entity. + References No definition available. + Details
Name: | dei_LocalPhoneNumber
Namespace Prefix: | dei_
Data Type: | xbrli:normalizedStringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Boolean flag that is true when the Form 8-K filing is intended to satisfy the filing obligation of the registrant as pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Exchange Act -Number 240 -Section 13e -Subsection 4c + Details
Name: | dei_PreCommencementIssuerTenderOffer
Namespace Prefix: | dei_
Data Type: | xbrli:booleanItemType
Balance Type: | na
Period Type: | duration

X
- Definition Boolean flag that is true when the Form 8-K filing is intended to satisfy the filing obligation of the registrant as pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Exchange Act -Number 240 -Section 14d -Subsection 2b + Details
Name: | dei_PreCommencementTenderOffer
Namespace Prefix: | dei_
Data Type: | xbrli:booleanItemType
Balance Type: | na
Period Type: | duration

X
- Definition Title of a 12(b) registered security. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Exchange Act -Number 240 -Section 12 -Subsection b + Details
Name: | dei_Security12bTitle
Namespace Prefix: | dei_
Data Type: | dei:securityTitleItemType
Balance Type: | na
Period Type: | duration

X
- Definition Name of the Exchange on which a security is registered. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Exchange Act -Number 240 -Section 12 -Subsection d1-1 + Details
Name: | dei_SecurityExchangeName
Namespace Prefix: | dei_
Data Type: | dei:edgarExchangeCodeItemType
Balance Type: | na
Period Type: | duration

X
- Definition Boolean flag that is true when the Form 8-K filing is intended to satisfy the filing obligation of the registrant as soliciting material pursuant to Rule 14a-12 under the Exchange Act. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Exchange Act -Section 14a -Number 240 -Subsection 12 + Details
Name: | dei_SolicitingMaterial
Namespace Prefix: | dei_
Data Type: | xbrli:booleanItemType
Balance Type: | na
Period Type: | duration

X
- Definition Trading symbol of an instrument as listed on an exchange. + References No definition available. + Details
Name: | dei_TradingSymbol
Namespace Prefix: | dei_
Data Type: | dei:tradingSymbolItemType
Balance Type: | na
Period Type: | duration

X
- Definition Boolean flag that is true when the Form 8-K filing is intended to satisfy the filing obligation of the registrant as written communications pursuant to Rule 425 under the Securities Act. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Securities Act -Number 230 -Section 425 + Details
Name: | dei_WrittenCommunications
Namespace Prefix: | dei_
Data Type: | xbrli:booleanItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | us-gaap_StatementClassOfStockAxis=us-gaap_CommonStockMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_StatementClassOfStockAxis=us-gaap_SeriesDPreferredStockMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_StatementClassOfStockAxis=us-gaap_SeriesGPreferredStockMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_StatementClassOfStockAxis=star_SeriesIPreferredStockMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |