Loans Receivable and Other Lending Investments, net (Troubled Debt Restructurings) (Details) (USD $)	12 Months Ended
Dec. 31, 2014 loans	Dec. 31, 2013 loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Number of Loans		6star_FinanceReceivableTroubledLoans
Unfunded commitments, troubled debt restructurings	$ 0
Senior mortgages
Accounts, Notes, Loans and Financing Receivable [Line Items]
Number of Loans	1	6
Pre-Modification Outstanding Recorded Investment	7,040,000	179,030,000
Post-Modification Outstanding Recorded Investment	7,040,000	154,278,000
Performing senior mortgages
Accounts, Notes, Loans and Financing Receivable [Line Items]
Number of Loans		2
Non-performing senior mortgages
Accounts, Notes, Loans and Financing Receivable [Line Items]
Number of Loans	1	2
Recorded investment of loans whose maturity was extended		174,500,000
Financing receivable modifications recorded investment of contracts whose maturity extended and reduced principal		98,300,000
Repayment of debt
Accounts, Notes, Loans and Financing Receivable [Line Items]
Recorded investment of loans whose maturity was extended		15,400,000
One Year Payment Extension \| Performing senior mortgages
Accounts, Notes, Loans and Financing Receivable [Line Items]
Recorded investment of loans whose maturity was extended		4,600,000
Finance receivable, trouble debt restructuring time period		1 year
One Year Payment Extension \| Non-performing senior mortgages
Accounts, Notes, Loans and Financing Receivable [Line Items]
Recorded investment of loans whose maturity was extended	$ 7,000,000
Finance receivable, trouble debt restructuring time period	1 year

Represents the weighted average maturity period of loans.

No definition available.

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- Definition

The number of financing receivables that have been modified by troubled debt restructurings.

+ References

No definition available.

+ Details

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- Definition

Represents the amount of the outstanding recorded investment related to financing receivables for which the maturity was extended and that has been modified by troubled debt restructurings.

+ References

No definition available.

+ Details

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- Definition

Recorded investment of financing Receivable whose maturity was extended and principal was reduced

+ References

No definition available.

+ Details

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- Definition

Represents the amount of the outstanding unfunded commitment related to financing receivables that has been modified by troubled debt restructurings.

+ References

No definition available.

+ Details

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- Definition

The amount of the outstanding recorded investment related to financing receivables that have been modified by troubled debt restructurings after the financing receivable has been modified.

+ References

No definition available.

+ Details

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- Definition

The amount of the outstanding recorded investment related to financing receivables that have been modified by troubled debt restructurings before the financing receivable has been modified.

+ References

No definition available.

+ Details

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- Details

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