XML 114 R103.htm IDEA: XBRL DOCUMENT v3.19.1
Revenues from Contracts with Customers (Revenues from Contracts with Customers Disaggregated by Major Business Activity and Primary Geographic Regions) (Details) - USD ($)
$ in Thousands
3 Months Ended
Mar. 31, 2019
Mar. 31, 2018
Disaggregation Of Revenue [Line Items]    
Commissions $ 155,449 $ 165,775
Investment banking 161,840 176,362
Revenue from contracts with customers 516,338 541,656
Other 3,782 3,718
Capital Raising [Member]    
Disaggregation Of Revenue [Line Items]    
Investment banking [1] 56,945 78,689
Advisory Fees [Member]    
Disaggregation Of Revenue [Line Items]    
Investment banking [1] 104,895 97,673
Asset Management [Member]    
Disaggregation Of Revenue [Line Items]    
Revenue from contracts with customers 195,267 195,801
Global Wealth Management [Member]    
Disaggregation Of Revenue [Line Items]    
Commissions 109,927 119,205
Investment banking 8,223 7,688
Revenue from contracts with customers 315,858 325,368
Other 2,455 2,686
Global Wealth Management [Member] | Capital Raising [Member]    
Disaggregation Of Revenue [Line Items]    
Investment banking [1] 8,223 7,688
Global Wealth Management [Member] | Asset Management [Member]    
Disaggregation Of Revenue [Line Items]    
Revenue from contracts with customers 195,253 195,789
Institutional Group [Member]    
Disaggregation Of Revenue [Line Items]    
Commissions 45,522 46,570
Investment banking 153,617 168,674
Revenue from contracts with customers 199,153 215,256
Institutional Group [Member] | Capital Raising [Member]    
Disaggregation Of Revenue [Line Items]    
Investment banking [1] 48,722 71,001
Institutional Group [Member] | Advisory Fees [Member]    
Disaggregation Of Revenue [Line Items]    
Investment banking [1] 104,895 97,673
Institutional Group [Member] | Asset Management [Member]    
Disaggregation Of Revenue [Line Items]    
Revenue from contracts with customers 14 12
Other [Member]    
Disaggregation Of Revenue [Line Items]    
Revenue from contracts with customers 1,327 1,032
Other 1,327 1,032
United States [Member]    
Disaggregation Of Revenue [Line Items]    
Revenue from contracts with customers 493,925 502,750
United States [Member] | Global Wealth Management [Member]    
Disaggregation Of Revenue [Line Items]    
Revenue from contracts with customers 315,858 325,368
United States [Member] | Institutional Group [Member]    
Disaggregation Of Revenue [Line Items]    
Revenue from contracts with customers 176,740 176,350
United States [Member] | Other [Member]    
Disaggregation Of Revenue [Line Items]    
Revenue from contracts with customers 1,327 1,032
United Kingdom [Member]    
Disaggregation Of Revenue [Line Items]    
Revenue from contracts with customers 21,103 37,879
United Kingdom [Member] | Institutional Group [Member]    
Disaggregation Of Revenue [Line Items]    
Revenue from contracts with customers 21,103 37,879
Other [Member]    
Disaggregation Of Revenue [Line Items]    
Revenue from contracts with customers 1,310 1,027
Other [Member] | Institutional Group [Member]    
Disaggregation Of Revenue [Line Items]    
Revenue from contracts with customers $ 1,310 $ 1,027
[1] Excludes revenues not derived from contracts with customers included in the Other segment.