Fair Value Of Financial Instruments (Tables)

6 Months Ended

Mar. 31, 2023

Fair Value Disclosures [Abstract]

Schedule Of Fair Value Assets Measured On A Recurring Basis

The following tables provide the level of valuation assumption used to determine the carrying value of the Company's financial instruments measured at fair value on a recurring basis at the dates presented. The Company did not have any Level 3 financial instruments measured at fair value on a recurring basis at March 31, 2023 or September 30, 2022.

	March 31, 2023
			Quoted Prices		Significant		Significant
			in Active Markets		Other Observable		Unobservable
	Carrying		for Identical Assets		Inputs		Inputs
	Value		(Level 1)		(Level 2)		(Level 3)
	(Dollars in thousands)
Assets:
AFS Securities:
MBS	$	1,021,980	$	—	$	1,021,980	$	—
GSE debentures	479,240		—		479,240		—
Corporate bonds	3,562		—		3,562		—
Municipal bonds	1,026		—		1,026		—
	1,505,808		—		1,505,808		—
Interest rate swaps	8,795		—		8,795		—
	$	1,514,603	$	—	$	1,514,603	$	—

	September 30, 2022
			Quoted Prices		Significant		Significant
			in Active Markets		Other Observable		Unobservable
	Carrying		for Identical Assets		Inputs		Inputs
	Value		(Level 1)		(Level 2)		(Level 3)
	(Dollars in thousands)
Assets:
AFS Securities:
MBS	$	1,088,624	$	—	$	1,088,624	$	—
GSE debentures	469,827		—		469,827		—
Corporate bonds	3,695		—		3,695		—
Municipal bonds	1,161		—		1,161		—
	1,563,307		—		1,563,307		—
Interest rate swaps	12,547		—		12,547		—
	$	1,575,854	$	—	$	1,575,854	$	—

Schedule Of Carrying Amounts And Estimated Fair Values Of Financial Instruments

The carrying amounts and estimated fair values of the Company's financial instruments by fair value hierarchy, at the dates presented, were as follows:

	March 31, 2023
	Carrying		Estimated Fair Value
	Amount		Total		Level 1		Level 2		Level 3
	(Dollars in thousands)
Assets:
Cash and cash equivalents	$	60,207	$	60,207	$	60,207	$	—	$	—
AFS securities	1,505,808		1,505,808		—		1,505,808		—
Loans receivable	7,958,567		7,513,314		—		—		7,513,314
FHLB stock	128,096		128,096		128,096		—		—
Interest rate swaps	8,795		8,795		—		8,795		—
Liabilities:
Deposits	6,144,435		6,103,436		3,670,486		2,432,950		—
Borrowings	2,696,604		2,643,537		203,400		2,440,137		—
	September 30, 2022
	Carrying		Estimated Fair Value
	Amount		Total		Level 1		Level 2		Level 3
	(Dollars in thousands)
Assets:
Cash and cash equivalents	$	49,194	$	49,194	$	49,194	$	—	$	—
AFS securities	1,563,307		1,563,307		—		1,563,307		—
Loans receivable	7,464,208		6,889,211		—		—		6,889,211
FHLB stock	100,624		100,624		100,624		—		—
Interest rate swaps	12,547		12,547		—		12,547		—
Liabilities:
Deposits	6,194,866		6,124,835		3,991,114		2,133,721		—
Borrowings	2,132,154		1,910,779		75,000		1,835,779		—