v3.26.1
REVENUE FROM CONTRACTS WITH CUSTOMERS - Schedule of Revenue by Segment (Details) - USD ($)
$ in Thousands
 3 Months Ended 9 Months Ended
Jun. 30, 2026
Jun. 30, 2025
Jun. 30, 2026
Jun. 30, 2025
Disaggregation of Revenue [Line Items]        
Net interest income (expense) $ 112,913 $ 122,313 $ 357,375 $ 383,842
(Loss) on sale of securities 0 0 0 (22,899)
Gain (loss) on divestitures 0 0 0 15,044
Secondary market revenue 13,969 7,144 21,700 26,900
Gain (loss) on sale of other (51) 394 1,320 2,007
Other income 6,731 5,496 19,550 18,934
Total noninterest income 76,731 73,442 281,674 269,344
Revenue 189,644 195,755 639,049 653,186
Refund transfer product fees        
Disaggregation of Revenue [Line Items]        
Noninterest income: 11,209 9,846 46,353 42,919
Refund advance and other tax fee income        
Disaggregation of Revenue [Line Items]        
Noninterest income: 696 307 58,341 49,416
Card and deposit fees        
Disaggregation of Revenue [Line Items]        
Noninterest income: 34,570 37,342 102,236 97,201
Rental income        
Disaggregation of Revenue [Line Items]        
Noninterest income: 9,607 12,913 32,174 39,822
Consumer        
Disaggregation of Revenue [Line Items]        
Net interest income (expense) 61,876 67,949 198,951 224,644
(Loss) on sale of securities     0 0
Gain (loss) on divestitures     0 0
Secondary market revenue 1 41 1 56
Gain (loss) on sale of other 0 0 0 0
Other income 2,583 2,383 5,847 8,403
Total noninterest income 48,860 49,748 212,192 197,376
Revenue 110,736 117,697 411,143 422,020
Consumer | Refund transfer product fees        
Disaggregation of Revenue [Line Items]        
Noninterest income: 11,209 9,846 46,353 42,919
Consumer | Refund advance and other tax fee income        
Disaggregation of Revenue [Line Items]        
Noninterest income: 696 307 58,341 49,416
Consumer | Card and deposit fees        
Disaggregation of Revenue [Line Items]        
Noninterest income: 34,371 37,171 101,650 96,582
Consumer | Rental income        
Disaggregation of Revenue [Line Items]        
Noninterest income: 0 0 0 0
Commercial        
Disaggregation of Revenue [Line Items]        
Net interest income (expense) 52,191 51,241 147,386 136,521
(Loss) on sale of securities     0 0
Gain (loss) on divestitures     0 0
Secondary market revenue 13,968 7,103 21,699 13,515
Gain (loss) on sale of other (51) 330 1,320 1,487
Other income 2,742 2,023 10,434 6,878
Total noninterest income 26,214 22,302 65,465 61,659
Revenue 78,405 73,543 212,851 198,180
Commercial | Refund transfer product fees        
Disaggregation of Revenue [Line Items]        
Noninterest income: 0 0 0 0
Commercial | Refund advance and other tax fee income        
Disaggregation of Revenue [Line Items]        
Noninterest income: 0 0 0 0
Commercial | Card and deposit fees        
Disaggregation of Revenue [Line Items]        
Noninterest income: 192 165 561 599
Commercial | Rental income        
Disaggregation of Revenue [Line Items]        
Noninterest income: 9,363 12,681 31,451 39,180
Corporate Services/Other        
Disaggregation of Revenue [Line Items]        
Net interest income (expense) (1,154) 3,123 11,038 22,677
(Loss) on sale of securities     0 (22,899)
Gain (loss) on divestitures     0 15,044
Secondary market revenue 0 0 0 13,329
Gain (loss) on sale of other 0 64 0 520
Other income 1,406 1,090 3,269 3,653
Total noninterest income 1,657 1,392 4,017 10,309
Revenue 503 4,515 15,055 32,986
Corporate Services/Other | Refund transfer product fees        
Disaggregation of Revenue [Line Items]        
Noninterest income: 0 0 0 0
Corporate Services/Other | Refund advance and other tax fee income        
Disaggregation of Revenue [Line Items]        
Noninterest income: 0 0 0 0
Corporate Services/Other | Card and deposit fees        
Disaggregation of Revenue [Line Items]        
Noninterest income: 7 6 25 20
Corporate Services/Other | Rental income        
Disaggregation of Revenue [Line Items]        
Noninterest income: $ 244 $ 232 $ 723 $ 642