INCOME TAXES (Tables)

6 Months Ended

Mar. 31, 2023

Income Tax Disclosure [Abstract]

Schedule of Effective Income Tax Rate Reconciliation

The table below compares the income tax expense components for the periods presented.

	Six Months Ended March 31,
(Dollars in thousands)	2023			2022
Provision at statutory rate	$	20,657		$	27,899
Tax-exempt income	(398)			(362)
State income taxes	4,285			5,543
Interim period effective rate adjustment	(483)			(3,870)
Tax credit investments, net - federal	(7,916)			(5,978)
Research tax credit	(805)			(355)
IRC 162(m) nondeductible compensation	576			505
Other, net	(163)			(1,104)
Income tax expense	$	15,753		$	22,278
Effective tax rate	15.83		%	16.66		%