CONSOLIDATED STATEMENTS OF OPERATIONS - USD ($) $ in Thousands	12 Months Ended
	Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2020
Interest and dividend income:
Loans and leases, including fees	$ 268,078	$ 256,080	$ 261,128
Mortgage-backed securities	26,846	12,155	9,028
Other investments	17,272	17,619	22,685
Total interest and dividend income	312,196	285,854	292,841
Interest expense:
Deposits	500	1,593	22,616
FHLB advances and other borrowings	4,372	5,270	11,187
Total interest expense	4,872	6,863	33,803
Net interest income	307,324	278,991	259,038
Provision for credit losses	28,538	49,766	64,776
Net interest income after provision for credit losses	278,786	229,225	194,262
Noninterest income:
Gain (loss) on sale of securities	(1,287)	6	51
Gain on divestitures	0	0	19,275
Gain on sale of trademarks	50,000	0	0
Gain (loss) on sale of other	(4,920)	11,515	4,425
Other income	17,357	26,240	14,641
Total noninterest income	293,807	270,904	239,794
Noninterest expense:
Compensation and benefits	171,126	151,090	136,247
Refund transfer product expense	8,908	11,861	7,644
Refund advance expense	2,157	2,564	2,723
Card processing	38,785	27,201	25,956
Occupancy and equipment expense	34,909	29,269	26,995
Operating lease equipment depreciation	35,636	30,987	32,831
Legal and consulting	40,634	31,341	20,858
Intangible amortization	6,585	8,545	10,997
Impairment expense	670	2,818	1,982
Other expense	45,865	48,007	52,818
Total noninterest expense	385,275	343,683	319,051
Income before income tax expense	187,318	156,446	115,005
Income tax expense	27,964	10,701	5,661
Net income before noncontrolling interest	159,354	145,745	109,344
Net income attributable to noncontrolling interest	2,968	4,037	4,624
Net income attributable to parent	$ 156,386	$ 141,708	$ 104,720
Earnings per common share:
Basic (in dollars per share)	$ 5.26	$ 4.38	$ 2.94
Diluted (in dollars per share)	$ 5.26	$ 4.38	$ 2.94
Refund transfer product fees
Noninterest income:
Noninterest income:	$ 39,809	$ 37,967	$ 36,061
Refund advance fee income
Noninterest income:
Noninterest income:	40,557	47,639	31,826
Payment card and deposit fees
Noninterest income:
Noninterest income:	104,684	107,182	87,379
Other bank and deposit fees
Noninterest income:
Noninterest income:	1,049	939	1,310
Rental income
Noninterest income:
Noninterest income:	$ 46,558	$ 39,416	$ 44,826