LOANS AND LEASES, NET - Allowance for Loan Losses and Recorded Investment in Loans (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended		12 Months Ended
	Jun. 30, 2025	Jun. 30, 2024	Jun. 30, 2025	Jun. 30, 2024	Sep. 30, 2024
Allowance for Credit Losses [Roll Forward]
Beginning Balance			$ 71,765
Provision (Reversal)	$ 9,278	$ 11,927	63,205	$ 49,429
Ending Balance	105,995		105,995		$ 71,765
Total Committed Loans
Allowance for Credit Losses [Roll Forward]
Beginning Balance	102,890	111,282	71,765	96,855	96,855
Provision (Reversal)	9,231	11,687	63,002	48,718
Charge-offs	(10,036)	(18,565)	(42,764)	(49,750)
Recoveries	3,910	2,361	13,992	10,942
Ending Balance	105,995	106,765	105,995	106,765	71,765
Unfunded commitments
Allowance for Credit Losses [Roll Forward]
Beginning Balance	851	743	695	272	272
Provision (Reversal)	47	240	203	711
Charge-offs	0	0	0	0
Recoveries	0	0	0	0
Ending Balance	898	983	898	983	695
Total Loans
Allowance for Credit Losses [Roll Forward]
Beginning Balance	103,741	112,025	72,460	97,127	97,127
Provision (Reversal)	9,278	11,927	63,205	49,429
Charge-offs	(10,036)	(18,565)	(42,764)	(49,750)
Recoveries	3,910	2,361	13,992	10,942
Ending Balance	106,893	107,748	106,893	107,748	72,460
National Lending \| Term lending
Allowance for Credit Losses [Roll Forward]
Beginning Balance	26,219	28,627	30,394	25,686	25,686
Provision (Reversal)	3,514	5,962	12,187	18,087
Charge-offs	(1,333)	(4,628)	(15,916)	(14,925)
Recoveries	976	698	2,711	1,811
Ending Balance	29,376	30,659	29,376	30,659	30,394
National Lending \| Asset-based lending
Allowance for Credit Losses [Roll Forward]
Beginning Balance	2,030	1,215	1,356	2,738	2,738
Provision (Reversal)	5,844	10	6,690	(1,754)
Charge-offs	(539)	0	(711)	0
Recoveries	0	9	0	250
Ending Balance	7,335	1,234	7,335	1,234	1,356
National Lending \| Factoring
Allowance for Credit Losses [Roll Forward]
Beginning Balance	4,934	6,814	5,757	6,566	6,566
Provision (Reversal)	516	1,369	(421)	1,497
Charge-offs	(464)	(2,389)	(634)	(2,424)
Recoveries	391	18	675	173
Ending Balance	5,377	5,812	5,377	5,812	5,757
National Lending \| Lease financing
Allowance for Credit Losses [Roll Forward]
Beginning Balance	1,243	1,551	1,189	3,302	3,302
Provision (Reversal)	219	(86)	1,346	(1,867)
Charge-offs	(344)	0	(1,426)	(125)
Recoveries	12	29	21	184
Ending Balance	1,130	1,494	1,130	1,494	1,189
National Lending \| SBA/USDA
Allowance for Credit Losses [Roll Forward]
Beginning Balance	4,021	2,942	3,273	2,962	2,962
Provision (Reversal)	1,427	358	3,033	338
Charge-offs	(421)	(456)	(1,327)	(456)
Recoveries	1	0	49	0
Ending Balance	5,028	2,844	5,028	2,844	3,273
National Lending \| Other commercial finance
Allowance for Credit Losses [Roll Forward]
Beginning Balance	384	1,720	607	3,089	3,089
Provision (Reversal)	(195)	(321)	(418)	(1,690)
Charge-offs	0	0	0	0
Recoveries	0	0	0	0
Ending Balance	189	1,399	189	1,399	607
National Lending \| Commercial finance
Allowance for Credit Losses [Roll Forward]
Beginning Balance	38,831	44,278	42,576	46,980	46,980
Provision (Reversal)	11,325	7,772	22,508	14,320
Charge-offs	(3,101)	(7,736)	(20,107)	(18,853)
Recoveries	1,380	780	3,458	2,647
Ending Balance	48,435	45,094	48,435	45,094	42,576
National Lending \| Consumer finance
Allowance for Credit Losses [Roll Forward]
Beginning Balance	29,635	35,081	28,669	49,496	49,496
Provision (Reversal)	2,613	7,145	17,597	11,033
Charge-offs	(6,381)	(10,009)	(21,362)	(28,932)
Recoveries	600	351	1,563	971
Ending Balance	26,467	32,568	26,467	32,568	28,669
National Lending \| Tax services
Allowance for Credit Losses [Roll Forward]
Beginning Balance	33,781	31,528	2	2	2
Provision (Reversal)	(4,728)	(3,285)	22,751	23,292
Charge-offs	(554)	(820)	(1,295)	(1,965)
Recoveries	1,930	1,230	8,971	7,324
Ending Balance	30,429	28,653	30,429	28,653	2
National Lending \| Warehouse finance
Allowance for Credit Losses [Roll Forward]
Beginning Balance	643	395	518	377	377
Provision (Reversal)	21	55	146	73
Charge-offs	0	0	0	0
Recoveries	0	0	0	0
Ending Balance	664	450	664	450	518
National Lending \| Insurance premium finance
Allowance for Credit Losses [Roll Forward]
Beginning Balance		1,409	0	2,637	2,637
Provision (Reversal)		480	91	(291)
Charge-offs		(263)	(93)	(923)
Recoveries		26	2	229
Ending Balance	$ 0	$ 1,652	$ 0	$ 1,652	$ 0

PATHWARD FINANCIAL, INC. 10-Q