v3.26.1
Commitments and Contingencies (Details) - USD ($)
$ in Millions
6 Months Ended
Nov. 03, 2025
Jun. 30, 2026
Dec. 31, 2025
Guarantor Obligations      
Deposit assets   $ 1.2  
Securities Actions      
Guarantor Obligations      
Directors and Officers insurance policy deductible, amount   5.0  
Securities Actions | Settled Litigation      
Guarantor Obligations      
Payments for legal settlements $ 13.0    
Marqeta, Inc. Securities Litigation      
Guarantor Obligations      
Insurance recovery receivable   9.5 $ 9.3
Marqeta, Inc. Securities Litigation | Settled Litigation      
Guarantor Obligations      
Settlement liability   13.0 $ 13.0
Letter of Credit      
Guarantor Obligations      
Letters of credit, amount   0.9  
Letter of Credit | Balance Sheet Location [Axis]: us-gaap:OtherAssetsNoncurrent      
Guarantor Obligations      
Deposit assets   0.9  
Card and E-money Wallet Programs      
Guarantor Obligations      
Restricted cash   260.4  
Card and E-money Wallet Programs | Money market funds      
Guarantor Obligations      
Restricted cash   $ 46.6