Collateralized Transactions - Summary of Repurchase Agreements and Securities Borrowing and Lending Arrangements (Details) - USD ($) $ in Thousands	Nov. 30, 2019	Nov. 30, 2018
Securities borrowing arrangements
Gross Amounts	$ 7,624,642	$ 6,538,212
Netting in Consolidated Statement of Financial Condition	0	0
Net Amounts in Consolidated Statement of Financial Condition	7,624,642	6,538,212
Additional Amounts Available for Setoff	(361,394)	(468,778)
Available Collateral	(1,479,433)	(1,193,986)
Net Amount	5,783,815	4,875,448
Reverse repurchase agreements
Gross Amounts	15,551,845	11,336,175
Netting in Consolidated Statement of Financial Condition	(11,252,247)	(8,550,417)
Net Amounts in Consolidated Statement of Financial Condition	4,299,598	2,785,758
Additional Amounts Available for Setoff	(291,316)	(609,225)
Available Collateral	(3,929,977)	(2,126,730)
Net Amount	78,305	49,803
Securities lending arrangements
Gross Amounts	1,525,140	1,838,688
Netting in Consolidated Statement of Financial Condition	0	0
Net Amounts in Consolidated Statement of Financial Condition	1,525,140	1,838,688
Additional Amounts Available for Setoff	(361,394)	(468,778)
Available Collateral	(970,799)	(1,343,704)
Net Amount	192,947	26,206
Repurchase agreements
Gross Amounts	18,756,917	17,193,486
Netting in Consolidated Statement of Financial Condition	(11,252,247)	(8,550,417)
Net Amounts in Consolidated Statement of Financial Condition	7,504,670	8,643,069
Additional Amounts Available for Setoff	(291,316)	(609,225)
Available Collateral	(6,663,807)	(7,070,967)
Net Amount	549,547	962,877
Securities borrowing arrangements	5,683,400	4,825,700
Securities borrowing arrangements, collateral	5,523,600	4,711,700
Securities borrowing arrangements, repurchase agreements	439,700	931,700
Securities borrowing arrangements, repurchase agreements, pledged securities collateral	447,500	$ 963,600
Obligation to Return Securities Received as Collateral
Securities lending arrangements
Gross Amounts	9,500
Netting in Consolidated Statement of Financial Condition	0
Net Amounts in Consolidated Statement of Financial Condition	9,500
Additional Amounts Available for Setoff	0
Available Collateral	0
Net Amount	9,500
Securities Received as Collateral
Securities borrowing arrangements
Gross Amounts	9,500
Netting in Consolidated Statement of Financial Condition	0
Net Amounts in Consolidated Statement of Financial Condition	9,500
Additional Amounts Available for Setoff	0
Available Collateral	0
Net Amount	$ 9,500

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Amount, before effects of master netting arrangements, of funds outstanding borrowed in the form of a security repurchase agreement between the entity and another party for the sale and repurchase of identical or substantially the same securities at a date certain for a specified price. Includes liabilities elected not to be offset. Excludes liabilities not subject to a master netting arrangement.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 20
-Section 50
-Paragraph 3
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=51824906&loc=SL20225862-175312

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 20
-Section 55
-Paragraph 7
-URI http://asc.fasb.org/extlink&oid=99393222&loc=SL20226000-175313

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- Definition

Amount of funds outstanding borrowed in the form of a security repurchase agreement between the entity and another party for the sale and repurchase of identical or substantially the same securities at a date certain for a specified price, elected not to be offset, deducted from securities sold under agreements to repurchase.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 20
-Section 55
-Paragraph 13
-URI http://asc.fasb.org/extlink&oid=99393222&loc=SL20226016-175313

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 20
-Section 50
-Paragraph 3
-Subparagraph (d)(1)(i)
-URI http://asc.fasb.org/extlink&oid=51824906&loc=SL20225862-175312

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