XML 64 R50.htm IDEA: XBRL DOCUMENT
v3.10.0.1

Subsequent Events (Tables) | 12 Months Ended
--- | ---
Dec. 31, 2018
Subsequent Events [Abstract] |
Schedule of material revised terms of the amended management agreement | The material revised terms of the amended management agreement are summarized in the following table.
Terms |  | Prior Agreement |  | Amended Agreement
Management Fee |  | Annual fee of 1.0% of SAFE total equity (up to $2.5 billion) Annual fee of 0.75% of SAFE total equity (> $2.5 billion) |  | Annual fee of 1.0% of SAFE total equity (up to $1.5 billion) Annual fee of 1.25% of SAFE total equity (for incremental equity of $1.5 billion to $3.0 billion) Annual fee of 1.375% of SAFE total equity (for incremental equity of $3.0 billion to $5.0 billion) and Annual fee of 1.5% of SAFE total equity (for incremental equity over $5.0 billion)
Management Fee Consideration |  | Payment will be made exclusively in shares of the SAFE's common stock (valued at the greater of: (i) the volume weighted average market price during the quarter for which the fee is being paid; or (ii) the initial public offering price of $20.00 per share) |  | At the discretion of the SAFE's independent directors, payment will be made in cash or in shares of SAFE's common stock (valued at the greater of: (i) the volume weighted average market price during the quarter for which the fee is being paid; or (ii) the initial public offering price of $20.00 per share)
Term |  | One year |  | Initial term from January 1, 2019 - June 30, 2022; non-terminable except for cause. Automatic annual renewals thereafter, subject to non-renewal upon certain findings by SAFE's independent directors and payment of termination fee.
Termination Fee |  | None |  | Three times prior year's management fee, subject to the SAFE having raised $820 million of total equity since inception.

X
- Definition Schedule of Material Revised Terms fo the Amended Management Agreement [Table Text Block] + References No definition available. + Details
Name: | star_ScheduleofMaterialRevisedTermsfotheAmendedManagementAgreementTableTextBlock
Namespace Prefix: | star_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- References No definition available. + Details
Name: | us-gaap_SubsequentEventsAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration