Investments - JCP Fund V - Narrative (Details) - USD ($) $ in Thousands	6 Months Ended
May 31, 2020	Nov. 30, 2019
Schedule of Equity Method Investments [Line Items]
Financial instruments owned, at fair value	$ 18,124,883	$ 16,363,374
JCP Fund V
Schedule of Equity Method Investments [Line Items]
Financial instruments owned, at fair value	14,800	20,600
Equity investments	85,000	85,000
Unfunded portion of equity commitment to subsidiary	$ 9,200	$ 9,400
Percent of financial information presented	100.00%
Ownership percentage	35.20%

Equity commitment to joint venture unfunded portion.

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Committed equity capitalization.

+ References

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Equity Method Investment, Percent of Financial Information Presented

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- Definition

The percentage of ownership of common stock or equity participation in the investee accounted for under the equity method of accounting.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 323
-SubTopic 10
-Section 50
-Paragraph 3
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-URI http://asc.fasb.org/extlink&oid=114001798&loc=d3e33918-111571

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The aggregate fair value as of the balance sheet date of financial instruments and other positions owned by the entity including: (1) mortgages, mortgage-backed and asset backed securities; (2) US government and agency obligations; (3) state and municipal government obligations; (4) other sovereign government debt; (5) corporate obligations; (6) corporate equities; (7) principal investments; (8) derivative contracts; and (9) physical commodities. Includes both pledged and unpledged holdings.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 940
-SubTopic 320
-Section 45
-Paragraph 2
-URI http://asc.fasb.org/extlink&oid=35711157&loc=d3e42546-110969

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- 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.

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