Business Segment Information (Schedule Of Financial Information About Business Segments) (Details) - USD ($) $ in Thousands |
3 Months Ended | 12 Months Ended | |||||||||
---|---|---|---|---|---|---|---|---|---|---|---|
Dec. 31, 2018 |
Sep. 30, 2018 |
Jun. 30, 2018 |
Mar. 31, 2018 |
Dec. 31, 2017 |
Sep. 30, 2017 |
Jun. 30, 2017 |
Mar. 31, 2017 |
Dec. 31, 2018 |
Dec. 31, 2017 |
Dec. 31, 2016 |
|
Segment Reporting Information [Line Items] | |||||||||||
Revenues | $ 405,057 | $ 408,682 | $ 404,830 | $ 405,598 | $ 408,219 | $ 386,018 | $ 372,331 | $ 359,984 | $ 1,624,167 | $ 1,526,552 | $ 1,401,545 |
Expenses | 1,116,533 | 1,065,774 | 966,534 | ||||||||
Operating profit (loss) | 507,634 | 460,778 | 435,011 | ||||||||
Gain on sale of subsidiary | 2,791 | ||||||||||
Total profit (loss) | 437,802 | ||||||||||
Private Banks | |||||||||||
Segment Reporting Information [Line Items] | |||||||||||
Revenues | 483,097 | 474,272 | 457,886 | ||||||||
Expenses | 457,894 | 455,119 | 421,188 | ||||||||
Operating profit (loss) | 25,203 | 19,153 | 36,698 | ||||||||
Gain on sale of subsidiary | 2,791 | ||||||||||
Total profit (loss) | 39,489 | ||||||||||
Investment Advisors | |||||||||||
Segment Reporting Information [Line Items] | |||||||||||
Revenues | 399,089 | 373,473 | 330,677 | ||||||||
Expenses | 212,439 | 201,833 | 180,140 | ||||||||
Operating profit (loss) | 186,650 | 171,640 | 150,537 | ||||||||
Gain on sale of subsidiary | 0 | ||||||||||
Total profit (loss) | 150,537 | ||||||||||
Institutional Investors | |||||||||||
Segment Reporting Information [Line Items] | |||||||||||
Revenues | 333,299 | 322,457 | 312,584 | ||||||||
Expenses | 163,536 | 161,640 | 153,117 | ||||||||
Operating profit (loss) | 169,763 | 160,817 | 159,467 | ||||||||
Gain on sale of subsidiary | 0 | ||||||||||
Total profit (loss) | 159,467 | ||||||||||
Investment Managers | |||||||||||
Segment Reporting Information [Line Items] | |||||||||||
Revenues | 398,076 | 349,444 | 294,390 | ||||||||
Expenses | 259,693 | 226,504 | 191,127 | ||||||||
Operating profit (loss) | 138,383 | 122,940 | 103,263 | ||||||||
Gain on sale of subsidiary | 0 | ||||||||||
Total profit (loss) | 103,263 | ||||||||||
Investments In New Businesses | |||||||||||
Segment Reporting Information [Line Items] | |||||||||||
Revenues | 10,606 | 6,906 | 6,008 | ||||||||
Expenses | 22,971 | 20,678 | 20,962 | ||||||||
Operating profit (loss) | $ (12,365) | $ (13,772) | (14,954) | ||||||||
Gain on sale of subsidiary | 0 | ||||||||||
Total profit (loss) | $ (14,954) |