Consolidated Statements Of Cash Flows - USD ($) $ in Thousands	9 Months Ended
	Jun. 30, 2024	Jun. 30, 2023
CASH FLOWS FROM OPERATING ACTIVITIES:
Net income	$ 25,953	$ 38,731
Adjustments to reconcile net income to net cash provided by operating activities:
FHLB stock dividends	(7,591)	(11,025)
Provision for credit losses	1,896	5,875
Originations of loans receivable held-for-sale ("LHFS")	(425)	(218)
Proceeds from sales of LHFS	431	215
Amortization and accretion of premiums and discounts on securities	(7,327)	2,296
Depreciation and amortization of premises and equipment	6,084	6,816
Amortization of intangible assets	589	821
Amortization of deferred amounts related to FHLB advances, net	1,143	1,262
Common stock committed to be released for allocation - ESOP	684	935
Stock-based compensation	266	238
Net loss from securities transactions	13,345	0
Changes in:
Unrestricted cash collateral received from derivative counterparties, net	(6,730)	1,070
Other assets, net	3,301	912
Income taxes receivable, net	8,374	(4,660)
Deferred income tax assets, net	(1,331)	878
Other liabilities	(4,387)	(10,083)
Net cash provided by operating activities	34,275	34,063
CASH FLOWS FROM INVESTING ACTIVITIES:
Purchase of AFS securities	(1,059,833)	0
Proceeds from calls, maturities and principal reductions of AFS securities	373,739	141,357
Proceeds from sale of AFS securities	1,272,512	0
Proceeds from the redemption of FHLB stock	11,996	263,807
Purchase of FHLB stock	0	(268,170)
Net change in loans receivable	35,187	(510,851)
Proceeds from sale of participating interest in loans receivable	0	5,563
Purchase of premises and equipment	(5,408)	(4,397)
Proceeds from sale of other real estate owned ("OREO")	464	533
Proceeds from sale of assets held-for-sale	629	0
Proceeds from bank-owned life insurance ("BOLI") death benefit	1,049	720
Net cash provided by (used in) investing activities	630,335	(371,438)
CASH FLOWS FROM FINANCING ACTIVITIES:
Cash dividends paid	(33,479)	(71,849)
Net change in deposits	78,440	(102,026)
Proceeds from borrowings	275,100	4,293,870
Repayments on borrowings	864,864	3,441,124
Change in advances by borrowers	(28,142)	(39,085)
Repurchase of common stock	(19,449)	(22,196)
Net cash (used in) provided by financing activities	(592,394)	617,590
NET INCREASE IN CASH AND CASH EQUIVALENTS	72,216	280,215
CASH AND CASH EQUIVALENTS:
Beginning of period	245,605	49,194
End of period	$ 317,821	$ 329,409