Fair Value of Investments (Details) - USD ($) $ in Thousands	Mar. 31, 2016	Dec. 31, 2015
Investments, at fair value
Investments in affiliates	$ 5,182	$ 5,242
Investments, Fair Value Disclosure	42,026	8,169
Consolidated Entities [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Assets, Fair Value Disclosure	47,208	43,920
Investments, at fair value
Investments, Fair Value Disclosure	42,026	38,678
Collateralized Loan Obligations [Member]
Investments, at fair value
Investments, Fair Value Disclosure	42,026	30,509
Fair Value, Inputs, Level 1 [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Assets, Fair Value Disclosure	0	8,169
Investments, at fair value
Investments in affiliates	0	0
Investments, Fair Value Disclosure	0	8,169
Fair Value, Inputs, Level 1 [Member] \| Collateralized Loan Obligations [Member]
Investments, at fair value
Investments, Fair Value Disclosure	0	0
Fair Value, Inputs, Level 2 [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Assets, Fair Value Disclosure	5,182	5,242
Investments, at fair value
Investments in affiliates	5,182	5,242
Investments, Fair Value Disclosure	0	0
Fair Value, Inputs, Level 2 [Member] \| Collateralized Loan Obligations [Member]
Investments, at fair value
Investments, Fair Value Disclosure	0	0
Fair Value, Inputs, Level 3 [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Assets, Fair Value Disclosure	42,026	30,509
Investments, at fair value
Investments in affiliates	0	0
Investments, Fair Value Disclosure	42,026	30,509
Fair Value, Inputs, Level 3 [Member] \| Collateralized Loan Obligations [Member]
Investments, at fair value
Investments, Fair Value Disclosure	$ 42,026	30,509
Funds [Member]
Investments, at fair value
Investments, Fair Value Disclosure		8,169
Funds [Member] \| Fair Value, Inputs, Level 1 [Member]
Investments, at fair value
Investments, Fair Value Disclosure		8,169
Funds [Member] \| Fair Value, Inputs, Level 2 [Member]
Investments, at fair value
Investments, Fair Value Disclosure		0
Funds [Member] \| Fair Value, Inputs, Level 3 [Member]
Investments, at fair value
Investments, Fair Value Disclosure		$ 0

Fair value portion of probable future economic benefits obtained or controlled by an entity as a result of past transactions or events.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 820
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=36462937&loc=d3e19207-110258

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Fair value portion of investment securities, including, but not limited to, marketable securities, derivative financial instruments, and investments accounted for under the equity method.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Glossary Trading Securities
-URI http://asc.fasb.org/extlink&oid=6526789

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 320
-SubTopic 10
-Section 35
-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=27723805&loc=d3e24584-111560

Reference 3: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
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-SubTopic 10
-Section 25
-Paragraph 1
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Reference 4: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Glossary Available-for-Sale Securities
-URI http://asc.fasb.org/extlink&oid=6505594

Reference 5: http://www.xbrl.org/2003/role/presentationRef
-Publisher SEC
-Name Regulation S-X (SX)
-Number 210
-Section 03
-Paragraph 1
-Subparagraph a, f, g
-Article 7

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Value of the investment at close of period. For investment in and advances to affiliates, if operations of any controlled companies are different in character from those of the company, group such affiliates within divisions and by type of activities.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 946
-SubTopic 320
-Section S99
-Paragraph 6
-URI http://asc.fasb.org/extlink&oid=50485924&loc=d3e611322-123010

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher SEC
-Name Regulation S-X (SX)
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