Other revenue from contracts with customer.

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- Definition

Amount of commission revenue from buying and selling securities on behalf of customers.

+ References

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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.

+ References

No definition available.

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Includes (1) underwriting revenue (the spread between the resale price received and the cost of the securities and related expenses) generated through the purchasing, distributing and reselling of new issues of securities (alternatively, could be a secondary offering of a large block of previously issued securities); and (2) fees earned for mergers, acquisitions, divestitures, restructurings, and other types of financial advisory services.

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Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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Amount, excluding tax collected from customer, of revenue from satisfaction of performance obligation by transferring promised good or service to customer. Tax collected from customer is tax assessed by governmental authority that is both imposed on and concurrent with specific revenue-producing transaction, including, but not limited to, sales, use, value added and excise.

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Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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Revenues from Contracts with Customers (Revenues from Contracts with Customers Disaggregated by Major Business Activity and Primary Geographic Regions) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016
Disaggregation Of Revenue [Line Items]
Commissions	$ 657,732
Revenue from contracts with customers	2,187,145
Other	15,568
Capital Raising [Member]
Disaggregation Of Revenue [Line Items]
Investment banking	336,188
Advisory Fees [Member]
Disaggregation Of Revenue [Line Items]
Investment banking	371,482
Asset Management [Member]
Disaggregation Of Revenue [Line Items]
Revenue from contracts with customers	806,175	$ 702,064	$ 582,789
Global Wealth Management [Member]
Disaggregation Of Revenue [Line Items]
Commissions	472,135
Revenue from contracts with customers	1,321,266
Other	11,625
Global Wealth Management [Member] \| Capital Raising [Member]
Disaggregation Of Revenue [Line Items]
Investment banking	31,293
Global Wealth Management [Member] \| Advisory Fees [Member]
Disaggregation Of Revenue [Line Items]
Investment banking	81
Global Wealth Management [Member] \| Asset Management [Member]
Disaggregation Of Revenue [Line Items]
Revenue from contracts with customers	806,132
Institutional Group [Member]
Disaggregation Of Revenue [Line Items]
Commissions	185,597
Revenue from contracts with customers	861,936
Institutional Group [Member] \| Capital Raising [Member]
Disaggregation Of Revenue [Line Items]
Investment banking	304,895
Institutional Group [Member] \| Advisory Fees [Member]
Disaggregation Of Revenue [Line Items]
Investment banking	371,401
Institutional Group [Member] \| Asset Management [Member]
Disaggregation Of Revenue [Line Items]
Revenue from contracts with customers	43
Other Segments [Member]
Disaggregation Of Revenue [Line Items]
Revenue from contracts with customers	3,943
Other	3,943
United States [Member]
Disaggregation Of Revenue [Line Items]
Revenue from contracts with customers	2,050,460
United States [Member] \| Global Wealth Management [Member]
Disaggregation Of Revenue [Line Items]
Revenue from contracts with customers	1,321,266
United States [Member] \| Institutional Group [Member]
Disaggregation Of Revenue [Line Items]
Revenue from contracts with customers	725,251
United States [Member] \| Other Segments [Member]
Disaggregation Of Revenue [Line Items]
Revenue from contracts with customers	3,943
Europe [Member]
Disaggregation Of Revenue [Line Items]
Revenue from contracts with customers	130,979
Europe [Member] \| Institutional Group [Member]
Disaggregation Of Revenue [Line Items]
Revenue from contracts with customers	130,979
Other [Member]
Disaggregation Of Revenue [Line Items]
Revenue from contracts with customers	5,706
Other [Member] \| Institutional Group [Member]
Disaggregation Of Revenue [Line Items]
Revenue from contracts with customers	$ 5,706