v3.26.1
SEGMENT DISCLOSURES - Schedule of Segment Information (Details) - USD ($)
$ in Thousands
 12 Months Ended
Dec. 31, 2025
Dec. 31, 2024
Dec. 31, 2023
Segment Reporting Information [Line Items]      
Revenue $ 2,757,991 $ 1,813,472 $ 1,591,194
Corporate & other:      
General & administrative expenses 121,383 108,753 57,965
Interest expense 107,215 34,379 20,131
Other income, net (33,329) (13,538) (21,019)
Income before income tax expense 160,835 57,807 166,303
Financial Services      
Segment Reporting Information [Line Items]      
Revenue 2,348,358 1,412,424 1,208,589
Benefits and Insurance Services      
Segment Reporting Information [Line Items]      
Revenue 409,633 401,048 382,605
Operating Segments      
Segment Reporting Information [Line Items]      
Revenue 2,757,991 1,813,472 1,591,194
Personnel costs 1,851,440 1,272,809 1,077,080
Facility costs 108,466 67,836 56,890
Other costs, gains, and losses, net 381,410 240,173 190,399
Total segment expense 2,341,316 1,580,818 1,324,369
Corporate & other:      
Income before income tax expense 416,675 232,654 266,825
Operating Segments | Financial Services      
Segment Reporting Information [Line Items]      
Revenue 2,348,358 1,412,424 1,208,589
Personnel costs 1,592,591 1,015,643 834,740
Facility costs 95,239 55,355 44,694
Other costs, gains, and losses, net 319,926 181,697 136,483
Total segment expense 2,007,756 1,252,695 1,015,917
Corporate & other:      
Income before income tax expense 340,602 159,729 192,672
Operating Segments | Benefits and Insurance Services      
Segment Reporting Information [Line Items]      
Revenue 409,633 401,048 382,605
Personnel costs 258,849 257,166 242,340
Facility costs 13,227 12,481 12,196
Other costs, gains, and losses, net 61,484 58,476 53,916
Total segment expense 333,560 328,123 308,452
Corporate & other:      
Income before income tax expense 76,073 72,925 74,153
Corporate And Eliminations      
Corporate & other:      
Unallocated corporate operating expenses 61,000 44,485 39,344
General & administrative expenses 121,383 108,753 57,965
Interest expense 107,215 34,374 20,129
Other income, net $ (33,758) $ (12,765) $ (16,916)