Quarterly report pursuant to Section 13 or 15(d)

Basis of Presentation - Impact of Consolidated Statement (Detail)

v3.22.2.2
Basis of Presentation - Impact of Consolidated Statement (Detail) - USD ($)
$ in Thousands
 9 Months Ended
Sep. 30, 2022
Sep. 30, 2021
Total cash flows provided by operating activities $ 150,984 $ 154,375
Total cash flows used for investing activities (11,689) (345,451)
Net change in fiduciary liabilities 54,775 (52,422)
Total cash flows provided by financing activities 260,335 346,116
Effect of changes in foreign exchange rates on cash, cash equivalents, and cash held in a fiduciary capacity (1,274) (1,486)
Net change in cash, cash equivalents, and cash held in a fiduciary capacity 398,356 153,554
Cash, cash equivalents, and cash held in a fiduciary capacity-Beginning balance 1,139,661 895,704
Cash, cash equivalents, and cash held in a fiduciary capacity-Ending balance $ 1,538,017 1,049,258
Scenario Previously Reported [Member]    
Total cash flows provided by operating activities   154,375
Total cash flows used for investing activities   (345,451)
Net change in fiduciary liabilities   0
Other lines   293,694
Total cash flows provided by financing activities   293,694
Effect of changes in foreign exchange rates on cash, cash equivalents, and cash held in a fiduciary capacity   (1,574)
Net change in cash, cash equivalents, and cash held in a fiduciary capacity   101,044
Cash, cash equivalents, and cash held in a fiduciary capacity-Beginning balance   312,651
Cash, cash equivalents, and cash held in a fiduciary capacity-Ending balance   413,695
Effect Of Change [Member]    
Total cash flows provided by operating activities   0
Total cash flows used for investing activities   0
Net change in fiduciary liabilities   52,422
Other lines   0
Total cash flows provided by financing activities   52,422
Effect of changes in foreign exchange rates on cash, cash equivalents, and cash held in a fiduciary capacity   88
Net change in cash, cash equivalents, and cash held in a fiduciary capacity   52,510
Cash, cash equivalents, and cash held in a fiduciary capacity-Beginning balance   583,053
Cash, cash equivalents, and cash held in a fiduciary capacity-Ending balance   635,563
Revision of Prior Period, Adjustment [Member]    
Total cash flows provided by operating activities   154,375
Total cash flows used for investing activities   (345,451)
Net change in fiduciary liabilities   52,422
Other lines   293,694
Total cash flows provided by financing activities   346,116
Effect of changes in foreign exchange rates on cash, cash equivalents, and cash held in a fiduciary capacity   (1,486)
Net change in cash, cash equivalents, and cash held in a fiduciary capacity   153,554
Cash, cash equivalents, and cash held in a fiduciary capacity-Beginning balance   895,704
Cash, cash equivalents, and cash held in a fiduciary capacity-Ending balance   $ 1,049,258