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Summary of Significant Accounting Policies (Tables)

12 Months Ended

Sep. 30, 2021

Accounting Policies [Abstract]

Schedule of goodwill and intangible assets

The table below provides detail regarding the Company's intangible assets.

			Goodwill						Core Deposit and Other Intangibles						Total
			(In thousands)
Balance at September 30, 2019			$	301,368					$	7,879					$	309,247
Additions			1,339						1,471						2,810
Amortization			—						(2,151)						(2,151)
Balance at September 30, 2020			302,707						7,199						309,906
Additions			750						750						1,500
Amortization			—						(1,387)						(1,387)
Balance at September 30, 2021			$	303,457					$	6,562					$	310,019

Schedule of future amortization expense

The table below presents the estimated future amortization expense of core deposit and other intangibles for the next five years.

Fiscal Year						Expense
						(In thousands)
2022						$	1,012
2023						955
2024						921
2025						872
2026						829

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Tabular disclosure of the amount of amortization expense expected to be recorded in succeeding fiscal years for finite-lived intangible assets.

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Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 350
-SubTopic 30
-Section 50
-Paragraph 2
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=66006027&loc=d3e16323-109275

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