v3.26.1
Significant Accounting Policies - Summary of Operating Revenues (Detail) - USD ($)
$ in Thousands
 3 Months Ended
Mar. 31, 2026
Mar. 31, 2025
Revenue Recognition [Line Items]    
Revenues $ 158,414 $ 107,979
Processing and overdraft service fees, net [Member]    
Revenue Recognition [Line Items]    
Revenues 133,588 83,448
Tips [Member]    
Revenue Recognition [Line Items]    
Revenues 0 7,496
Subscriptions [Member]    
Revenue Recognition [Line Items]    
Revenues 13,945 6,817
Other [Member]    
Revenue Recognition [Line Items]    
Revenues 54 90
Interchange revenue, net [Member]    
Revenue Recognition [Line Items]    
Revenues 6,201 5,885
ATM revenue, net [Member]    
Revenue Recognition [Line Items]    
Revenues 659 794
Transaction based revenue Other, net [Member]    
Revenue Recognition [Line Items]    
Revenues $ 3,967 $ 3,449