v3.26.1
Note 2 - Significant Accounting Policies and Condensed Consolidated Financial Statement Components - Components of Revenue from Contracts with Customer (Details) - USD ($)
$ in Thousands
 3 Months Ended 6 Months Ended
Jun. 30, 2026
Jun. 30, 2025
Jun. 30, 2026
Jun. 30, 2025
Revenue from contracts with customers $ 103,712 $ 85,731 $ 175,622 $ 138,185
Interchange Revenues, Other Revenue [Member]        
Revenue from contracts with customers [1] 15,065 5,973 25,913 10,679
Servicing Income, Other Revenue [Member]        
Revenue from contracts with customers 11,305 5,601 19,999 9,745
Service Charges and Other Customer Related Fees, Other Revenue [Member]        
Revenue from contracts with customers 21,980 11,611 42,098 21,638
Other Revenue [Member]        
Revenue from contracts with customers 48,350 23,185 88,010 42,062
Merchant Fees [Member]        
Revenue from contracts with customers [2] 55,362 62,546 87,612 96,123
Credit and Other Investments [Member]        
Revenue from contracts with customers 103,509 85,558 175,206 137,833
Credit and Other Investments [Member] | Interchange Revenues, Other Revenue [Member]        
Revenue from contracts with customers [1] 15,065 5,973 25,913 10,679
Credit and Other Investments [Member] | Servicing Income, Other Revenue [Member]        
Revenue from contracts with customers 11,110 5,436 19,601 9,410
Credit and Other Investments [Member] | Service Charges and Other Customer Related Fees, Other Revenue [Member]        
Revenue from contracts with customers 21,972 11,603 42,080 21,621
Credit and Other Investments [Member] | Other Revenue [Member]        
Revenue from contracts with customers 48,147 23,012 87,594 41,710
Credit and Other Investments [Member] | Merchant Fees [Member]        
Revenue from contracts with customers [2] 55,362 62,546 87,612 96,123
Auto Finance [Member]        
Revenue from contracts with customers 203 173 416 352
Auto Finance [Member] | Interchange Revenues, Other Revenue [Member]        
Revenue from contracts with customers [1] 0 0 0 0
Auto Finance [Member] | Servicing Income, Other Revenue [Member]        
Revenue from contracts with customers 195 165 398 335
Auto Finance [Member] | Service Charges and Other Customer Related Fees, Other Revenue [Member]        
Revenue from contracts with customers 8 8 18 17
Auto Finance [Member] | Other Revenue [Member]        
Revenue from contracts with customers 203 173 416 352
Auto Finance [Member] | Merchant Fees [Member]        
Revenue from contracts with customers [2] $ 0 $ 0 $ 0 $ 0
[1] Interchange revenue is presented net of customer reward expense and includes network incentives for credit card transactions processed through interchange networks.
[2] Merchant fees are included in Consumer loans, including past due fees on our condensed consolidated statements of income.