Collateralized Transactions - Summary of Repurchase Agreements and Securities Borrowing and Lending Arrangements (Details) - USD ($) $ in Thousands	Nov. 30, 2021	Nov. 30, 2020
Securities borrowing arrangements
Gross Amounts	$ 6,409,420	$ 6,934,762
Netting in Consolidated Statement of Financial Condition	0	0
Net Amounts in Consolidated Statement of Financial Condition	6,409,420	6,934,762
Additional amounts available for setoff	(271,475)	(395,342)
Available collateral	(1,528,206)	(1,706,046)
Net amount	4,609,739	4,833,374
Reverse repurchase agreements
Gross Amounts	15,215,785	11,939,773
Netting in Consolidated Statement of Financial Condition	(7,573,301)	(6,843,004)
Net Amounts in Consolidated Statement of Financial Condition	7,642,484	5,096,769
Additional amounts available for setoff	(540,312)	(412,327)
Available collateral	(7,048,823)	(4,578,560)
Net amount	53,349	105,882
Securities lending arrangements
Gross Amounts	1,525,721	1,810,748
Netting in Consolidated Statement of Financial Condition	0	0
Net Amounts in Consolidated Statement of Financial Condition	1,525,721	1,810,748
Additional amounts available for setoff	(271,475)	(395,342)
Available collateral	(1,213,563)	(1,397,550)
Net amount	40,683	17,856
Repurchase agreements
Gross Amounts	16,019,400	15,159,273
Netting in Consolidated Statement of Financial Condition	(7,573,301)	(6,843,004)
Net Amounts in Consolidated Statement of Financial Condition	8,446,099	8,316,269
Additional amounts available for setoff	(540,312)	(412,327)
Available collateral	(7,136,585)	(7,122,422)
Net amount	769,202	781,520
Securities borrowing arrangements	4,510,000	4,760,000
Securities borrowing arrangements, collateral	4,350,000	4,620,000
Securities borrowing arrangements, repurchase agreements	765,000	720,000
Securities borrowing arrangements, repurchase agreements, pledged securities collateral	781,800	733,900
Obligation to return securities received as collateral, at fair value
Securities lending arrangements
Gross Amounts	7,289	7,517
Netting in Consolidated Statement of Financial Condition	0	0
Net Amounts in Consolidated Statement of Financial Condition	7,289	7,517
Additional amounts available for setoff	0	0
Available collateral	(7,289)	0
Net amount	0	7,517
Securities received as collateral, at fair value
Securities borrowing arrangements
Gross Amounts	7,289	7,517
Netting in Consolidated Statement of Financial Condition	0	0
Net Amounts in Consolidated Statement of Financial Condition	7,289	7,517
Additional amounts available for setoff	0	0
Available collateral	(7,289)	0
Net amount	$ 0	$ 7,517

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