Consolidation of Variable Interest Entities - Consolidated Assets and Liabilities (Details) - Not Primary Beneficiary - USD ($) $ in Thousands	Aug. 31, 2020	Nov. 30, 2019
Variable Interest Entity [Line Items]
Non-consolidated VIE, assets	$ 0	$ 0
Non-consolidated VIE, maximum exposure to loss	0	0
White Eagle
Variable Interest Entity [Line Items]
Non-consolidated VIE, assets	152,450	137,849
Non-consolidated VIE, maximum exposure to loss	$ 152,450	$ 137,849

Amount of investment in equity method investee and investment in and advance to affiliate.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02.12)
-URI http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682

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- Definition

The reporting entity's maximum amount of exposure to loss as a result of its involvement with the Variable Interest Entity (VIE).

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 810
-SubTopic 10
-Section 50
-Paragraph 6
-Subparagraph (c)
-URI http://asc.fasb.org/extlink&oid=121559654&loc=d3e5747-111685

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
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-Name Accounting Standards Codification
-Topic 810
-SubTopic 10
-Section 50
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-Subparagraph b
-URI http://asc.fasb.org/extlink&oid=121559654&loc=d3e5728-111685

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- Definition

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+ References

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