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Summary of Significant Accounting Policies (Investment Vehicles) (Details)	2 Months Ended	12 Months Ended
	Feb. 28, 2013	Dec. 31, 2015	Dec. 31, 2014	Feb. 28, 2014	Dec. 31, 2013
Star Asia [Member]
Schedule of Equity Method Investments [Line Items]
Ownership percentage of equity method affiliate		0.00%	0.00%		28.00%
Star Asia Manager [Member]
Schedule of Equity Method Investments [Line Items]
Ownership percentage of equity method affiliate		0.00%	0.00%
Subsidiary or Equity Method Investee, Cumulative Percentage Ownership after All Transactions	50.00%			100.00%
Star Asia SPV [Member]
Schedule of Equity Method Investments [Line Items]
Ownership percentage of equity method affiliate		0.00%	0.00%
Star Asia Opportunity [Member]
Schedule of Equity Method Investments [Line Items]
Ownership percentage of equity method affiliate		0.00%	0.00%		28.00%
Star Asia Capital Management [Member]
Schedule of Equity Method Investments [Line Items]
Ownership percentage of equity method affiliate		0.00%	0.00%		33.00%
Star Asia Special Situations Fund [Member]
Schedule of Equity Method Investments [Line Items]
Ownership percentage of equity method affiliate		0.00%	0.00%		2.00%
SAA Manager [Member]
Schedule of Equity Method Investments [Line Items]
Ownership percentage of equity method affiliate		0.00%	0.00%		33.00%
SAP GP [Member]
Schedule of Equity Method Investments [Line Items]
Ownership percentage of equity method affiliate		0.00%	0.00%		33.00%
EuroDekania [Member]
Schedule of Equity Method Investments [Line Items]
Cost Method Investments, Ownership Percentage		17.00%	17.00%
Tiptree Financial, Inc. [Member]
Schedule of Equity Method Investments [Line Items]
Cost Method Investments, Ownership Percentage			1.00%
Tiptree Financial, Inc. [Member] | Maximum [Member]
Schedule of Equity Method Investments [Line Items]
Cost Method Investments, Ownership Percentage		1.00%

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+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 323
-SubTopic 10
-Section 50
-Paragraph 3
-Subparagraph (a)(1)
-URI http://asc.fasb.org/extlink&oid=6382943&loc=d3e33918-111571

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