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LOANS AND LEASES, NET - Past Due Loans (Details) - USD ($)
$ in Thousands
Jun. 30, 2021
Sep. 30, 2020
Financing Receivable, Past Due [Line Items]    
Loans and leases $ 3,496,670 $ 3,322,765
Accruing and Nonaccruing Loans and Leases    
Financing Receivable, Past Due [Line Items]    
Loans and leases 3,583,144 3,497,717
Accruing and Nonaccruing Loans and Leases | Total loans and leases held for investment    
Financing Receivable, Past Due [Line Items]    
Loans and leases 3,495,239 3,314,140
Accruing and Nonaccruing Loans and Leases | National Lending    
Financing Receivable, Past Due [Line Items]    
Loans and leases 3,191,255 2,828,576
Accruing and Nonaccruing Loans and Leases | National Lending | Loans held for sale    
Financing Receivable, Past Due [Line Items]    
Loans and leases 87,905 183,577
Accruing and Nonaccruing Loans and Leases | National Lending | Term lending    
Financing Receivable, Past Due [Line Items]    
Loans and leases 920,279 805,323
Accruing and Nonaccruing Loans and Leases | National Lending | Asset based lending    
Financing Receivable, Past Due [Line Items]    
Loans and leases 263,237 182,419
Accruing and Nonaccruing Loans and Leases | National Lending | Factoring    
Financing Receivable, Past Due [Line Items]    
Loans and leases 320,629 281,173
Accruing and Nonaccruing Loans and Leases | National Lending | Lease financing    
Financing Receivable, Past Due [Line Items]    
Loans and leases 282,940 281,084
Accruing and Nonaccruing Loans and Leases | National Lending | Insurance premium finance    
Financing Receivable, Past Due [Line Items]    
Loans and leases 417,652 337,940
Accruing and Nonaccruing Loans and Leases | National Lending | SBA/USDA    
Financing Receivable, Past Due [Line Items]    
Loans and leases 263,709 318,387
Accruing and Nonaccruing Loans and Leases | National Lending | Other commercial finance    
Financing Receivable, Past Due [Line Items]    
Loans and leases 118,081 101,658
Accruing and Nonaccruing Loans and Leases | National Lending | Commercial finance    
Financing Receivable, Past Due [Line Items]    
Loans and leases 2,586,527 2,307,984
Accruing and Nonaccruing Loans and Leases | National Lending | Consumer credit products    
Financing Receivable, Past Due [Line Items]    
Loans and leases 207,019 89,809
Accruing and Nonaccruing Loans and Leases | National Lending | Other consumer finance    
Financing Receivable, Past Due [Line Items]    
Loans and leases 20,737 134,342
Accruing and Nonaccruing Loans and Leases | National Lending | Consumer finance    
Financing Receivable, Past Due [Line Items]    
Loans and leases 227,756 224,151
Accruing and Nonaccruing Loans and Leases | National Lending | Tax services    
Financing Receivable, Past Due [Line Items]    
Loans and leases 41,268 3,066
Accruing and Nonaccruing Loans and Leases | National Lending | Warehouse finance    
Financing Receivable, Past Due [Line Items]    
Loans and leases 335,704 293,375
Accruing and Nonaccruing Loans and Leases | Community Banking    
Financing Receivable, Past Due [Line Items]    
Loans and leases 303,984 485,564
Accruing and Nonaccruing Loans and Leases | Community Banking | Commercial real estate and operating    
Financing Receivable, Past Due [Line Items]    
Loans and leases 294,810 457,371
Accruing and Nonaccruing Loans and Leases | Community Banking | Consumer one-to-four family real estate and other    
Financing Receivable, Past Due [Line Items]    
Loans and leases 1,349 16,486
Accruing and Nonaccruing Loans and Leases | Community Banking | Agricultural real estate and operating    
Financing Receivable, Past Due [Line Items]    
Loans and leases 7,825 11,707
Accruing and Nonaccruing Loans and Leases | 30-59 Days Past Due    
Financing Receivable, Past Due [Line Items]    
Loans and leases 23,022 15,220
Accruing and Nonaccruing Loans and Leases | 30-59 Days Past Due | Total loans and leases held for investment    
Financing Receivable, Past Due [Line Items]    
Loans and leases 23,022 15,220
Accruing and Nonaccruing Loans and Leases | 30-59 Days Past Due | National Lending    
Financing Receivable, Past Due [Line Items]    
Loans and leases 22,960 14,315
Accruing and Nonaccruing Loans and Leases | 30-59 Days Past Due | National Lending | Loans held for sale    
Financing Receivable, Past Due [Line Items]    
Loans and leases 0 0
Accruing and Nonaccruing Loans and Leases | 30-59 Days Past Due | National Lending | Term lending    
Financing Receivable, Past Due [Line Items]    
Loans and leases 11,146 11,900
Accruing and Nonaccruing Loans and Leases | 30-59 Days Past Due | National Lending | Asset based lending    
Financing Receivable, Past Due [Line Items]    
Loans and leases 0 17
Accruing and Nonaccruing Loans and Leases | 30-59 Days Past Due | National Lending | Factoring    
Financing Receivable, Past Due [Line Items]    
Loans and leases 0 0
Accruing and Nonaccruing Loans and Leases | 30-59 Days Past Due | National Lending | Lease financing    
Financing Receivable, Past Due [Line Items]    
Loans and leases 9,076 194
Accruing and Nonaccruing Loans and Leases | 30-59 Days Past Due | National Lending | Insurance premium finance    
Financing Receivable, Past Due [Line Items]    
Loans and leases 552 1,227
Accruing and Nonaccruing Loans and Leases | 30-59 Days Past Due | National Lending | SBA/USDA    
Financing Receivable, Past Due [Line Items]    
Loans and leases 1,343 0
Accruing and Nonaccruing Loans and Leases | 30-59 Days Past Due | National Lending | Other commercial finance    
Financing Receivable, Past Due [Line Items]    
Loans and leases 0 0
Accruing and Nonaccruing Loans and Leases | 30-59 Days Past Due | National Lending | Commercial finance    
Financing Receivable, Past Due [Line Items]    
Loans and leases 22,117 13,338
Accruing and Nonaccruing Loans and Leases | 30-59 Days Past Due | National Lending | Consumer credit products    
Financing Receivable, Past Due [Line Items]    
Loans and leases 843 377
Accruing and Nonaccruing Loans and Leases | 30-59 Days Past Due | National Lending | Other consumer finance    
Financing Receivable, Past Due [Line Items]    
Loans and leases 0 600
Accruing and Nonaccruing Loans and Leases | 30-59 Days Past Due | National Lending | Consumer finance    
Financing Receivable, Past Due [Line Items]    
Loans and leases 843 977
Accruing and Nonaccruing Loans and Leases | 30-59 Days Past Due | National Lending | Tax services    
Financing Receivable, Past Due [Line Items]    
Loans and leases 0 0
Accruing and Nonaccruing Loans and Leases | 30-59 Days Past Due | National Lending | Warehouse finance    
Financing Receivable, Past Due [Line Items]    
Loans and leases 0 0
Accruing and Nonaccruing Loans and Leases | 30-59 Days Past Due | Community Banking    
Financing Receivable, Past Due [Line Items]    
Loans and leases 62 905
Accruing and Nonaccruing Loans and Leases | 30-59 Days Past Due | Community Banking | Commercial real estate and operating    
Financing Receivable, Past Due [Line Items]    
Loans and leases 11 0
Accruing and Nonaccruing Loans and Leases | 30-59 Days Past Due | Community Banking | Consumer one-to-four family real estate and other    
Financing Receivable, Past Due [Line Items]    
Loans and leases 51 905
Accruing and Nonaccruing Loans and Leases | 30-59 Days Past Due | Community Banking | Agricultural real estate and operating    
Financing Receivable, Past Due [Line Items]    
Loans and leases 0 0
Accruing and Nonaccruing Loans and Leases | 60-89 Days Past Due    
Financing Receivable, Past Due [Line Items]    
Loans and leases 52,617 15,353
Accruing and Nonaccruing Loans and Leases | 60-89 Days Past Due | Total loans and leases held for investment    
Financing Receivable, Past Due [Line Items]    
Loans and leases 52,617 15,353
Accruing and Nonaccruing Loans and Leases | 60-89 Days Past Due | National Lending    
Financing Receivable, Past Due [Line Items]    
Loans and leases 52,617 15,239
Accruing and Nonaccruing Loans and Leases | 60-89 Days Past Due | National Lending | Loans held for sale    
Financing Receivable, Past Due [Line Items]    
Loans and leases 0 0
Accruing and Nonaccruing Loans and Leases | 60-89 Days Past Due | National Lending | Term lending    
Financing Receivable, Past Due [Line Items]    
Loans and leases 6,714 3,851
Accruing and Nonaccruing Loans and Leases | 60-89 Days Past Due | National Lending | Asset based lending    
Financing Receivable, Past Due [Line Items]    
Loans and leases 0 0
Accruing and Nonaccruing Loans and Leases | 60-89 Days Past Due | National Lending | Factoring    
Financing Receivable, Past Due [Line Items]    
Loans and leases 0 0
Accruing and Nonaccruing Loans and Leases | 60-89 Days Past Due | National Lending | Lease financing    
Financing Receivable, Past Due [Line Items]    
Loans and leases 3,514 9,746
Accruing and Nonaccruing Loans and Leases | 60-89 Days Past Due | National Lending | Insurance premium finance    
Financing Receivable, Past Due [Line Items]    
Loans and leases 422 748
Accruing and Nonaccruing Loans and Leases | 60-89 Days Past Due | National Lending | SBA/USDA    
Financing Receivable, Past Due [Line Items]    
Loans and leases 0 0
Accruing and Nonaccruing Loans and Leases | 60-89 Days Past Due | National Lending | Other commercial finance    
Financing Receivable, Past Due [Line Items]    
Loans and leases 0 0
Accruing and Nonaccruing Loans and Leases | 60-89 Days Past Due | National Lending | Commercial finance    
Financing Receivable, Past Due [Line Items]    
Loans and leases 10,650 14,345
Accruing and Nonaccruing Loans and Leases | 60-89 Days Past Due | National Lending | Consumer credit products    
Financing Receivable, Past Due [Line Items]    
Loans and leases 1,009 358
Accruing and Nonaccruing Loans and Leases | 60-89 Days Past Due | National Lending | Other consumer finance    
Financing Receivable, Past Due [Line Items]    
Loans and leases 0 536
Accruing and Nonaccruing Loans and Leases | 60-89 Days Past Due | National Lending | Consumer finance    
Financing Receivable, Past Due [Line Items]    
Loans and leases 1,009 894
Accruing and Nonaccruing Loans and Leases | 60-89 Days Past Due | National Lending | Tax services    
Financing Receivable, Past Due [Line Items]    
Loans and leases 40,958 0
Accruing and Nonaccruing Loans and Leases | 60-89 Days Past Due | National Lending | Warehouse finance    
Financing Receivable, Past Due [Line Items]    
Loans and leases 0 0
Accruing and Nonaccruing Loans and Leases | 60-89 Days Past Due | Community Banking    
Financing Receivable, Past Due [Line Items]    
Loans and leases 0 114
Accruing and Nonaccruing Loans and Leases | 60-89 Days Past Due | Community Banking | Commercial real estate and operating    
Financing Receivable, Past Due [Line Items]    
Loans and leases 0 0
Accruing and Nonaccruing Loans and Leases | 60-89 Days Past Due | Community Banking | Consumer one-to-four family real estate and other    
Financing Receivable, Past Due [Line Items]    
Loans and leases 0 114
Accruing and Nonaccruing Loans and Leases | 60-89 Days Past Due | Community Banking | Agricultural real estate and operating    
Financing Receivable, Past Due [Line Items]    
Loans and leases 0 0
Accruing and Nonaccruing Loans and Leases | Greater Than 90 Days    
Financing Receivable, Past Due [Line Items]    
Loans and leases 11,138 21,727
Accruing and Nonaccruing Loans and Leases | Greater Than 90 Days | Total loans and leases held for investment    
Financing Receivable, Past Due [Line Items]    
Loans and leases 11,138 21,727
Accruing and Nonaccruing Loans and Leases | Greater Than 90 Days | National Lending    
Financing Receivable, Past Due [Line Items]    
Loans and leases 9,369 19,278
Accruing and Nonaccruing Loans and Leases | Greater Than 90 Days | National Lending | Loans held for sale    
Financing Receivable, Past Due [Line Items]    
Loans and leases 0 0
Accruing and Nonaccruing Loans and Leases | Greater Than 90 Days | National Lending | Term lending    
Financing Receivable, Past Due [Line Items]    
Loans and leases 4,820 6,390
Accruing and Nonaccruing Loans and Leases | Greater Than 90 Days | National Lending | Asset based lending    
Financing Receivable, Past Due [Line Items]    
Loans and leases 0 0
Accruing and Nonaccruing Loans and Leases | Greater Than 90 Days | National Lending | Factoring    
Financing Receivable, Past Due [Line Items]    
Loans and leases 0 0
Accruing and Nonaccruing Loans and Leases | Greater Than 90 Days | National Lending | Lease financing    
Financing Receivable, Past Due [Line Items]    
Loans and leases 2,550 6,882
Accruing and Nonaccruing Loans and Leases | Greater Than 90 Days | National Lending | Insurance premium finance    
Financing Receivable, Past Due [Line Items]    
Loans and leases 874 2,364
Accruing and Nonaccruing Loans and Leases | Greater Than 90 Days | National Lending | SBA/USDA    
Financing Receivable, Past Due [Line Items]    
Loans and leases 600 1,027
Accruing and Nonaccruing Loans and Leases | Greater Than 90 Days | National Lending | Other commercial finance    
Financing Receivable, Past Due [Line Items]    
Loans and leases 0 0
Accruing and Nonaccruing Loans and Leases | Greater Than 90 Days | National Lending | Commercial finance    
Financing Receivable, Past Due [Line Items]    
Loans and leases 8,844 16,663
Accruing and Nonaccruing Loans and Leases | Greater Than 90 Days | National Lending | Consumer credit products    
Financing Receivable, Past Due [Line Items]    
Loans and leases 525 499
Accruing and Nonaccruing Loans and Leases | Greater Than 90 Days | National Lending | Other consumer finance    
Financing Receivable, Past Due [Line Items]    
Loans and leases 0 373
Accruing and Nonaccruing Loans and Leases | Greater Than 90 Days | National Lending | Consumer finance    
Financing Receivable, Past Due [Line Items]    
Loans and leases 525 872
Accruing and Nonaccruing Loans and Leases | Greater Than 90 Days | National Lending | Tax services    
Financing Receivable, Past Due [Line Items]    
Loans and leases 0 1,743
Accruing and Nonaccruing Loans and Leases | Greater Than 90 Days | National Lending | Warehouse finance    
Financing Receivable, Past Due [Line Items]    
Loans and leases 0 0
Accruing and Nonaccruing Loans and Leases | Greater Than 90 Days | Community Banking    
Financing Receivable, Past Due [Line Items]    
Loans and leases 1,769 2,449
Accruing and Nonaccruing Loans and Leases | Greater Than 90 Days | Community Banking | Commercial real estate and operating    
Financing Receivable, Past Due [Line Items]    
Loans and leases 0 630
Accruing and Nonaccruing Loans and Leases | Greater Than 90 Days | Community Banking | Consumer one-to-four family real estate and other    
Financing Receivable, Past Due [Line Items]    
Loans and leases 0 50
Accruing and Nonaccruing Loans and Leases | Greater Than 90 Days | Community Banking | Agricultural real estate and operating    
Financing Receivable, Past Due [Line Items]    
Loans and leases 1,769 1,769
Accruing and Nonaccruing Loans and Leases | Total Past Due    
Financing Receivable, Past Due [Line Items]    
Loans and leases 86,777 52,300
Accruing and Nonaccruing Loans and Leases | Total Past Due | Total loans and leases held for investment    
Financing Receivable, Past Due [Line Items]    
Loans and leases 86,777 52,300
Accruing and Nonaccruing Loans and Leases | Total Past Due | National Lending    
Financing Receivable, Past Due [Line Items]    
Loans and leases 84,946 48,832
Accruing and Nonaccruing Loans and Leases | Total Past Due | National Lending | Loans held for sale    
Financing Receivable, Past Due [Line Items]    
Loans and leases 0 0
Accruing and Nonaccruing Loans and Leases | Total Past Due | National Lending | Term lending    
Financing Receivable, Past Due [Line Items]    
Loans and leases 22,680 22,141
Accruing and Nonaccruing Loans and Leases | Total Past Due | National Lending | Asset based lending    
Financing Receivable, Past Due [Line Items]    
Loans and leases 0 17
Accruing and Nonaccruing Loans and Leases | Total Past Due | National Lending | Factoring    
Financing Receivable, Past Due [Line Items]    
Loans and leases 0 0
Accruing and Nonaccruing Loans and Leases | Total Past Due | National Lending | Lease financing    
Financing Receivable, Past Due [Line Items]    
Loans and leases 15,140 16,822
Accruing and Nonaccruing Loans and Leases | Total Past Due | National Lending | Insurance premium finance    
Financing Receivable, Past Due [Line Items]    
Loans and leases 1,848 4,339
Accruing and Nonaccruing Loans and Leases | Total Past Due | National Lending | SBA/USDA    
Financing Receivable, Past Due [Line Items]    
Loans and leases 1,943 1,027
Accruing and Nonaccruing Loans and Leases | Total Past Due | National Lending | Other commercial finance    
Financing Receivable, Past Due [Line Items]    
Loans and leases 0 0
Accruing and Nonaccruing Loans and Leases | Total Past Due | National Lending | Commercial finance    
Financing Receivable, Past Due [Line Items]    
Loans and leases 41,611 44,346
Accruing and Nonaccruing Loans and Leases | Total Past Due | National Lending | Consumer credit products    
Financing Receivable, Past Due [Line Items]    
Loans and leases 2,377 1,233
Accruing and Nonaccruing Loans and Leases | Total Past Due | National Lending | Other consumer finance    
Financing Receivable, Past Due [Line Items]    
Loans and leases 0 1,509
Accruing and Nonaccruing Loans and Leases | Total Past Due | National Lending | Consumer finance    
Financing Receivable, Past Due [Line Items]    
Loans and leases 2,377 2,743
Accruing and Nonaccruing Loans and Leases | Total Past Due | National Lending | Tax services    
Financing Receivable, Past Due [Line Items]    
Loans and leases 40,958 1,743
Accruing and Nonaccruing Loans and Leases | Total Past Due | National Lending | Warehouse finance    
Financing Receivable, Past Due [Line Items]    
Loans and leases 0 0
Accruing and Nonaccruing Loans and Leases | Total Past Due | Community Banking    
Financing Receivable, Past Due [Line Items]    
Loans and leases 1,831 3,468
Accruing and Nonaccruing Loans and Leases | Total Past Due | Community Banking | Commercial real estate and operating    
Financing Receivable, Past Due [Line Items]    
Loans and leases 11 630
Accruing and Nonaccruing Loans and Leases | Total Past Due | Community Banking | Consumer one-to-four family real estate and other    
Financing Receivable, Past Due [Line Items]    
Loans and leases 51 1,069
Accruing and Nonaccruing Loans and Leases | Total Past Due | Community Banking | Agricultural real estate and operating    
Financing Receivable, Past Due [Line Items]    
Loans and leases 1,769 1,769
Accruing and Nonaccruing Loans and Leases | Current    
Financing Receivable, Past Due [Line Items]    
Loans and leases 3,496,367 3,445,417
Accruing and Nonaccruing Loans and Leases | Current | Total loans and leases held for investment    
Financing Receivable, Past Due [Line Items]    
Loans and leases 3,408,462 3,261,840
Accruing and Nonaccruing Loans and Leases | Current | National Lending    
Financing Receivable, Past Due [Line Items]    
Loans and leases 3,106,309 2,779,744
Accruing and Nonaccruing Loans and Leases | Current | National Lending | Loans held for sale    
Financing Receivable, Past Due [Line Items]    
Loans and leases 87,905 183,577
Accruing and Nonaccruing Loans and Leases | Current | National Lending | Term lending    
Financing Receivable, Past Due [Line Items]    
Loans and leases 897,599 783,182
Accruing and Nonaccruing Loans and Leases | Current | National Lending | Asset based lending    
Financing Receivable, Past Due [Line Items]    
Loans and leases 263,237 182,402
Accruing and Nonaccruing Loans and Leases | Current | National Lending | Factoring    
Financing Receivable, Past Due [Line Items]    
Loans and leases 320,629 281,173
Accruing and Nonaccruing Loans and Leases | Current | National Lending | Lease financing    
Financing Receivable, Past Due [Line Items]    
Loans and leases 267,800 264,262
Accruing and Nonaccruing Loans and Leases | Current | National Lending | Insurance premium finance    
Financing Receivable, Past Due [Line Items]    
Loans and leases 415,804 333,601
Accruing and Nonaccruing Loans and Leases | Current | National Lending | SBA/USDA    
Financing Receivable, Past Due [Line Items]    
Loans and leases 261,766 317,360
Accruing and Nonaccruing Loans and Leases | Current | National Lending | Other commercial finance    
Financing Receivable, Past Due [Line Items]    
Loans and leases 118,081 101,658
Accruing and Nonaccruing Loans and Leases | Current | National Lending | Commercial finance    
Financing Receivable, Past Due [Line Items]    
Loans and leases 2,544,916 2,263,638
Accruing and Nonaccruing Loans and Leases | Current | National Lending | Consumer credit products    
Financing Receivable, Past Due [Line Items]    
Loans and leases 204,642 88,576
Accruing and Nonaccruing Loans and Leases | Current | National Lending | Other consumer finance    
Financing Receivable, Past Due [Line Items]    
Loans and leases 20,737 132,833
Accruing and Nonaccruing Loans and Leases | Current | National Lending | Consumer finance    
Financing Receivable, Past Due [Line Items]    
Loans and leases 225,379 221,408
Accruing and Nonaccruing Loans and Leases | Current | National Lending | Tax services    
Financing Receivable, Past Due [Line Items]    
Loans and leases 310 1,323
Accruing and Nonaccruing Loans and Leases | Current | National Lending | Warehouse finance    
Financing Receivable, Past Due [Line Items]    
Loans and leases 335,704 293,375
Accruing and Nonaccruing Loans and Leases | Current | Community Banking    
Financing Receivable, Past Due [Line Items]    
Loans and leases 302,153 482,096
Accruing and Nonaccruing Loans and Leases | Current | Community Banking | Commercial real estate and operating    
Financing Receivable, Past Due [Line Items]    
Loans and leases 294,799 456,741
Accruing and Nonaccruing Loans and Leases | Current | Community Banking | Consumer one-to-four family real estate and other    
Financing Receivable, Past Due [Line Items]    
Loans and leases 1,298 15,417
Accruing and Nonaccruing Loans and Leases | Current | Community Banking | Agricultural real estate and operating    
Financing Receivable, Past Due [Line Items]    
Loans and leases 6,056 9,938
Nonperforming Loans and Leases    
Financing Receivable, Past Due [Line Items]    
Loans and leases 41,907 34,018
Non-accrual balance 37,088 23,952
Nonperforming Loans and Leases | Total loans and leases held for investment    
Financing Receivable, Past Due [Line Items]    
Loans and leases 41,907 34,018
Non-accrual balance 37,088 23,952
Nonperforming Loans and Leases | National Lending    
Financing Receivable, Past Due [Line Items]    
Loans and leases 22,134 31,569
Non-accrual balance 17,315 21,553
Nonperforming Loans and Leases | National Lending | Loans held for sale    
Financing Receivable, Past Due [Line Items]    
Loans and leases 0 0
Non-accrual balance 0 0
Nonperforming Loans and Leases | National Lending | Term lending    
Financing Receivable, Past Due [Line Items]    
Loans and leases 16,543 16,540
Non-accrual balance 14,470 16,274
Nonperforming Loans and Leases | National Lending | Asset based lending    
Financing Receivable, Past Due [Line Items]    
Loans and leases 0 0
Non-accrual balance 0 0
Nonperforming Loans and Leases | National Lending | Factoring    
Financing Receivable, Past Due [Line Items]    
Loans and leases 37 1,096
Non-accrual balance 37 1,096
Nonperforming Loans and Leases | National Lending | Lease financing    
Financing Receivable, Past Due [Line Items]    
Loans and leases 3,611 7,927
Non-accrual balance 2,208 3,583
Nonperforming Loans and Leases | National Lending | Insurance premium finance    
Financing Receivable, Past Due [Line Items]    
Loans and leases 874 2,364
Non-accrual balance 0 0
Nonperforming Loans and Leases | National Lending | SBA/USDA    
Financing Receivable, Past Due [Line Items]    
Loans and leases 600 1,027
Non-accrual balance 600 600
Nonperforming Loans and Leases | National Lending | Other commercial finance    
Financing Receivable, Past Due [Line Items]    
Loans and leases 0 0
Non-accrual balance 0 0
Nonperforming Loans and Leases | National Lending | Commercial finance    
Financing Receivable, Past Due [Line Items]    
Loans and leases 21,665 28,954
Non-accrual balance 17,315 21,553
Nonperforming Loans and Leases | National Lending | Consumer credit products    
Financing Receivable, Past Due [Line Items]    
Loans and leases 469 499
Non-accrual balance 0 0
Nonperforming Loans and Leases | National Lending | Other consumer finance    
Financing Receivable, Past Due [Line Items]    
Loans and leases 0 373
Non-accrual balance 0 0
Nonperforming Loans and Leases | National Lending | Consumer finance    
Financing Receivable, Past Due [Line Items]    
Loans and leases 469 872
Non-accrual balance 0 0
Nonperforming Loans and Leases | National Lending | Tax services    
Financing Receivable, Past Due [Line Items]    
Loans and leases 0 1,743
Non-accrual balance 0 0
Nonperforming Loans and Leases | National Lending | Warehouse finance    
Financing Receivable, Past Due [Line Items]    
Loans and leases 0 0
Non-accrual balance 0 0
Nonperforming Loans and Leases | Community Banking    
Financing Receivable, Past Due [Line Items]    
Loans and leases 19,773 2,449
Non-accrual balance 19,773 2,399
Nonperforming Loans and Leases | Community Banking | Commercial real estate and operating    
Financing Receivable, Past Due [Line Items]    
Loans and leases 17,896 630
Non-accrual balance 17,896 580
Nonperforming Loans and Leases | Community Banking | Consumer one-to-four family real estate and other    
Financing Receivable, Past Due [Line Items]    
Loans and leases 108 50
Non-accrual balance 108 50
Nonperforming Loans and Leases | Community Banking | Agricultural real estate and operating    
Financing Receivable, Past Due [Line Items]    
Loans and leases 1,769 1,769
Non-accrual balance 1,769 1,769
Nonperforming Loans and Leases | Greater Than 90 Days    
Financing Receivable, Past Due [Line Items]    
Loans and leases 4,819 10,066
Nonperforming Loans and Leases | Greater Than 90 Days | Total loans and leases held for investment    
Financing Receivable, Past Due [Line Items]    
Loans and leases 4,819 10,066
Nonperforming Loans and Leases | Greater Than 90 Days | National Lending    
Financing Receivable, Past Due [Line Items]    
Loans and leases 4,819 10,016
Nonperforming Loans and Leases | Greater Than 90 Days | National Lending | Loans held for sale    
Financing Receivable, Past Due [Line Items]    
Loans and leases 0 0
Nonperforming Loans and Leases | Greater Than 90 Days | National Lending | Term lending    
Financing Receivable, Past Due [Line Items]    
Loans and leases 2,073 266
Nonperforming Loans and Leases | Greater Than 90 Days | National Lending | Asset based lending    
Financing Receivable, Past Due [Line Items]    
Loans and leases 0 0
Nonperforming Loans and Leases | Greater Than 90 Days | National Lending | Factoring    
Financing Receivable, Past Due [Line Items]    
Loans and leases 0 0
Nonperforming Loans and Leases | Greater Than 90 Days | National Lending | Lease financing    
Financing Receivable, Past Due [Line Items]    
Loans and leases 1,403 4,344
Nonperforming Loans and Leases | Greater Than 90 Days | National Lending | Insurance premium finance    
Financing Receivable, Past Due [Line Items]    
Loans and leases 874 2,364
Nonperforming Loans and Leases | Greater Than 90 Days | National Lending | SBA/USDA    
Financing Receivable, Past Due [Line Items]    
Loans and leases 0 427
Nonperforming Loans and Leases | Greater Than 90 Days | National Lending | Other commercial finance    
Financing Receivable, Past Due [Line Items]    
Loans and leases 0 0
Nonperforming Loans and Leases | Greater Than 90 Days | National Lending | Commercial finance    
Financing Receivable, Past Due [Line Items]    
Loans and leases 4,350 7,401
Nonperforming Loans and Leases | Greater Than 90 Days | National Lending | Consumer credit products    
Financing Receivable, Past Due [Line Items]    
Loans and leases 469 499
Nonperforming Loans and Leases | Greater Than 90 Days | National Lending | Other consumer finance    
Financing Receivable, Past Due [Line Items]    
Loans and leases 0 373
Nonperforming Loans and Leases | Greater Than 90 Days | National Lending | Consumer finance    
Financing Receivable, Past Due [Line Items]    
Loans and leases 469 872
Nonperforming Loans and Leases | Greater Than 90 Days | National Lending | Tax services    
Financing Receivable, Past Due [Line Items]    
Loans and leases 0 1,743
Nonperforming Loans and Leases | Greater Than 90 Days | National Lending | Warehouse finance    
Financing Receivable, Past Due [Line Items]    
Loans and leases 0 0
Nonperforming Loans and Leases | Greater Than 90 Days | Community Banking    
Financing Receivable, Past Due [Line Items]    
Loans and leases 0 50
Nonperforming Loans and Leases | Greater Than 90 Days | Community Banking | Commercial real estate and operating    
Financing Receivable, Past Due [Line Items]    
Loans and leases 0 50
Nonperforming Loans and Leases | Greater Than 90 Days | Community Banking | Consumer one-to-four family real estate and other    
Financing Receivable, Past Due [Line Items]    
Loans and leases 0 0
Nonperforming Loans and Leases | Greater Than 90 Days | Community Banking | Agricultural real estate and operating    
Financing Receivable, Past Due [Line Items]    
Loans and leases $ 0 $ 0