v3.26.1
Revenues from Contracts with Customers (Details) - USD ($)
$ in Thousands
 3 Months Ended 6 Months Ended
Jun. 30, 2026
Jun. 30, 2025
Jun. 30, 2026
Jun. 30, 2025
Disaggregation of Revenue [Line Items]        
Total revenue $ 641,617 $ 559,601 $ 1,263,800 $ 1,110,945
United States        
Disaggregation of Revenue [Line Items]        
Total revenue 545,491 477,021 1,075,393 949,703
United Kingdom        
Disaggregation of Revenue [Line Items]        
Total revenue 44,324 40,859 88,260 79,194
Canada        
Disaggregation of Revenue [Line Items]        
Total revenue 13,780 11,872 26,979 23,269
Ireland        
Disaggregation of Revenue [Line Items]        
Total revenue 26,493 21,368 51,392 42,345
Luxembourg        
Disaggregation of Revenue [Line Items]        
Total revenue 11,529 8,481 21,776 16,434
Investment management fees from pooled investment products        
Disaggregation of Revenue [Line Items]        
Total revenue 111,820 99,081 219,471 197,014
Investment management fees from investment management agreements        
Disaggregation of Revenue [Line Items]        
Total revenue 131,630 112,388 257,182 222,544
Investment operations fees        
Disaggregation of Revenue [Line Items]        
Total revenue 250,488 207,083 494,526 410,043
Investment processing fees - PaaS        
Disaggregation of Revenue [Line Items]        
Total revenue 89,954 82,345 178,227 161,483
Investment processing fees - SaaS        
Disaggregation of Revenue [Line Items]        
Total revenue 26,304 31,602 51,776 62,460
Professional services fees        
Disaggregation of Revenue [Line Items]        
Total revenue 10,120 7,618 20,035 17,227
Account fees and other        
Disaggregation of Revenue [Line Items]        
Total revenue 21,301 19,484 42,583 40,174
Investment Managers        
Disaggregation of Revenue [Line Items]        
Total revenue 227,679 195,067 448,396 387,115
Investment Managers | United States        
Disaggregation of Revenue [Line Items]        
Total revenue 199,061 172,091 392,956 342,127
Investment Managers | United Kingdom        
Disaggregation of Revenue [Line Items]        
Total revenue 2 154 57 154
Investment Managers | Canada        
Disaggregation of Revenue [Line Items]        
Total revenue 0 0 0 0
Investment Managers | Ireland        
Disaggregation of Revenue [Line Items]        
Total revenue 17,087 14,341 33,607 28,400
Investment Managers | Luxembourg        
Disaggregation of Revenue [Line Items]        
Total revenue 11,529 8,481 21,776 16,434
Investment Managers | Investment management fees from pooled investment products        
Disaggregation of Revenue [Line Items]        
Total revenue 213 114 456 222
Investment Managers | Investment management fees from investment management agreements        
Disaggregation of Revenue [Line Items]        
Total revenue 0 0 0 0
Investment Managers | Investment operations fees        
Disaggregation of Revenue [Line Items]        
Total revenue 215,536 184,876 424,597 365,233
Investment Managers | Investment processing fees - PaaS        
Disaggregation of Revenue [Line Items]        
Total revenue 1,436 1,329 2,881 2,616
Investment Managers | Investment processing fees - SaaS        
Disaggregation of Revenue [Line Items]        
Total revenue 0 0 0 0
Investment Managers | Professional services fees        
Disaggregation of Revenue [Line Items]        
Total revenue 2,124 1,116 4,264 2,825
Investment Managers | Account fees and other        
Disaggregation of Revenue [Line Items]        
Total revenue 8,370 7,632 16,198 16,219
Private Banks        
Disaggregation of Revenue [Line Items]        
Total revenue 156,879 141,449 309,141 279,163
Private Banks | United States        
Disaggregation of Revenue [Line Items]        
Total revenue 102,348 93,273 202,994 186,404
Private Banks | United Kingdom        
Disaggregation of Revenue [Line Items]        
Total revenue 36,313 32,643 70,962 62,409
Private Banks | Canada        
Disaggregation of Revenue [Line Items]        
Total revenue 12,227 10,343 23,904 20,326
Private Banks | Ireland        
Disaggregation of Revenue [Line Items]        
Total revenue 5,991 5,190 11,281 10,024
Private Banks | Luxembourg        
Disaggregation of Revenue [Line Items]        
Total revenue 0 0 0 0
Private Banks | Investment management fees from pooled investment products        
Disaggregation of Revenue [Line Items]        
Total revenue 37,058 32,553 72,397 63,295
Private Banks | Investment management fees from investment management agreements        
Disaggregation of Revenue [Line Items]        
Total revenue 1,002 961 1,940 2,020
Private Banks | Investment operations fees        
Disaggregation of Revenue [Line Items]        
Total revenue 632 620 1,257 1,242
Private Banks | Investment processing fees - PaaS        
Disaggregation of Revenue [Line Items]        
Total revenue 86,550 78,925 171,048 154,780
Private Banks | Investment processing fees - SaaS        
Disaggregation of Revenue [Line Items]        
Total revenue 22,981 21,851 45,388 43,666
Private Banks | Professional services fees        
Disaggregation of Revenue [Line Items]        
Total revenue 7,996 5,874 15,771 12,788
Private Banks | Account fees and other        
Disaggregation of Revenue [Line Items]        
Total revenue 660 665 1,340 1,372
Investment Advisors        
Disaggregation of Revenue [Line Items]        
Total revenue 177,897 137,193 347,592 273,769
Investment Advisors | United States        
Disaggregation of Revenue [Line Items]        
Total revenue 177,897 137,193 347,592 273,769
Investment Advisors | United Kingdom        
Disaggregation of Revenue [Line Items]        
Total revenue 0 0 0 0
Investment Advisors | Canada        
Disaggregation of Revenue [Line Items]        
Total revenue 0 0 0 0
Investment Advisors | Ireland        
Disaggregation of Revenue [Line Items]        
Total revenue 0 0 0 0
Investment Advisors | Luxembourg        
Disaggregation of Revenue [Line Items]        
Total revenue 0 0 0 0
Investment Advisors | Investment management fees from pooled investment products        
Disaggregation of Revenue [Line Items]        
Total revenue 59,967 54,075 118,203 109,179
Investment Advisors | Investment management fees from investment management agreements        
Disaggregation of Revenue [Line Items]        
Total revenue 73,799 53,914 141,053 105,991
Investment Advisors | Investment operations fees        
Disaggregation of Revenue [Line Items]        
Total revenue 34,298 20,720 68,619 41,557
Investment Advisors | Investment processing fees - PaaS        
Disaggregation of Revenue [Line Items]        
Total revenue 1,735 1,496 3,451 2,860
Investment Advisors | Investment processing fees - SaaS        
Disaggregation of Revenue [Line Items]        
Total revenue 1,056 1,411 2,156 2,793
Investment Advisors | Professional services fees        
Disaggregation of Revenue [Line Items]        
Total revenue 0 0 0 0
Investment Advisors | Account fees and other        
Disaggregation of Revenue [Line Items]        
Total revenue 7,042 5,577 14,110 11,389
Institutional Investors        
Disaggregation of Revenue [Line Items]        
Total revenue 69,702 69,343 141,218 137,849
Institutional Investors | United States        
Disaggregation of Revenue [Line Items]        
Total revenue 57,799 58,165 116,138 115,174
Institutional Investors | United Kingdom        
Disaggregation of Revenue [Line Items]        
Total revenue 6,935 7,812 15,501 15,811
Institutional Investors | Canada        
Disaggregation of Revenue [Line Items]        
Total revenue 1,553 1,529 3,075 2,943
Institutional Investors | Ireland        
Disaggregation of Revenue [Line Items]        
Total revenue 3,415 1,837 6,504 3,921
Institutional Investors | Luxembourg        
Disaggregation of Revenue [Line Items]        
Total revenue 0 0 0 0
Institutional Investors | Investment management fees from pooled investment products        
Disaggregation of Revenue [Line Items]        
Total revenue 14,130 11,946 27,510 23,522
Institutional Investors | Investment management fees from investment management agreements        
Disaggregation of Revenue [Line Items]        
Total revenue 51,273 52,513 103,191 104,750
Institutional Investors | Investment operations fees        
Disaggregation of Revenue [Line Items]        
Total revenue 20 16 40 27
Institutional Investors | Investment processing fees - PaaS        
Disaggregation of Revenue [Line Items]        
Total revenue 222 585 825 1,208
Institutional Investors | Investment processing fees - SaaS        
Disaggregation of Revenue [Line Items]        
Total revenue 1,693 1,899 3,502 3,736
Institutional Investors | Professional services fees        
Disaggregation of Revenue [Line Items]        
Total revenue 0 0 0 0
Institutional Investors | Account fees and other        
Disaggregation of Revenue [Line Items]        
Total revenue 2,364 2,384 6,150 4,606
Investments In New Businesses        
Disaggregation of Revenue [Line Items]        
Total revenue 9,460 16,549 17,453 33,049
Investments In New Businesses | United States        
Disaggregation of Revenue [Line Items]        
Total revenue 8,386 16,299 15,713 32,229
Investments In New Businesses | United Kingdom        
Disaggregation of Revenue [Line Items]        
Total revenue 1,074 250 1,740 820
Investments In New Businesses | Canada        
Disaggregation of Revenue [Line Items]        
Total revenue 0 0 0 0
Investments In New Businesses | Ireland        
Disaggregation of Revenue [Line Items]        
Total revenue 0 0 0 0
Investments In New Businesses | Luxembourg        
Disaggregation of Revenue [Line Items]        
Total revenue 0 0 0 0
Investments In New Businesses | Investment management fees from pooled investment products        
Disaggregation of Revenue [Line Items]        
Total revenue 452 393 905 796
Investments In New Businesses | Investment management fees from investment management agreements        
Disaggregation of Revenue [Line Items]        
Total revenue 5,556 5,000 10,998 9,783
Investments In New Businesses | Investment operations fees        
Disaggregation of Revenue [Line Items]        
Total revenue 2 851 13 1,984
Investments In New Businesses | Investment processing fees - PaaS        
Disaggregation of Revenue [Line Items]        
Total revenue 11 10 22 19
Investments In New Businesses | Investment processing fees - SaaS        
Disaggregation of Revenue [Line Items]        
Total revenue 574 6,441 730 12,265
Investments In New Businesses | Professional services fees        
Disaggregation of Revenue [Line Items]        
Total revenue 0 628 0 1,614
Investments In New Businesses | Account fees and other        
Disaggregation of Revenue [Line Items]        
Total revenue $ 2,865 $ 3,226 $ 4,785 $ 6,588