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Loans and Allowance for Credit Losses - Schedule of Allowance for Credit Losses and Recorded Investment in Financing Receivables (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended	12 Months Ended
	Mar. 31, 2025	Mar. 31, 2024	Jun. 30, 2024	Dec. 31, 2024
Allowance for Loan Losses [Roll Forward]
Allowance for Credit Losses, Beginning balance	$ 17,280	$ 19,969	$ 19,969	$ 19,969
Allowance established for acquired PCD loans	1,464
Charge-offs	(85)	(60)	(356)
Recoveries	19	40
Provisions (reversal of)	5,488	72
Allowance for Credit Losses, Ending balance	24,646	20,172		17,280
Financing Receivable Excluding Unfunded Commitments
Allowance for Loan Losses [Roll Forward]
Provisions (reversal of)	5,968	223
Commercial Real Estate
Allowance for Loan Losses [Roll Forward]
Allowance for Credit Losses, Beginning balance	10,578	12,010	12,010	12,010
Allowance established for acquired PCD loans	798
Charge-offs	0	0
Recoveries	0	0
Allowance for Credit Losses, Ending balance	13,549	12,240		10,578
Commercial Real Estate | Financing Receivable Excluding Unfunded Commitments
Allowance for Loan Losses [Roll Forward]
Provisions (reversal of)	2,173	230
Residential Mortgage
Allowance for Loan Losses [Roll Forward]
Allowance for Credit Losses, Beginning balance	2,976	3,303	3,303	3,303
Allowance established for acquired PCD loans	140
Charge-offs	0	0
Recoveries	0	0
Allowance for Credit Losses, Ending balance	5,128	3,227		2,976
Residential Mortgage | Financing Receivable Excluding Unfunded Commitments
Allowance for Loan Losses [Roll Forward]
Provisions (reversal of)	2,012	(76)
Commercial and Industrial
Allowance for Loan Losses [Roll Forward]
Allowance for Credit Losses, Beginning balance	1,416	2,048	2,048	2,048
Allowance established for acquired PCD loans	194
Charge-offs	(14)	0
Recoveries	3	15
Allowance for Credit Losses, Ending balance	2,228	1,960		1,416
Commercial and Industrial | Financing Receivable Excluding Unfunded Commitments
Allowance for Loan Losses [Roll Forward]
Provisions (reversal of)	629	(103)
Home Equity Lines of Credit
Allowance for Loan Losses [Roll Forward]
Allowance for Credit Losses, Beginning balance	294	397	397	397
Allowance established for acquired PCD loans	13
Charge-offs	0	0
Recoveries	0	0
Allowance for Credit Losses, Ending balance	487	314		294
Home Equity Lines of Credit | Financing Receivable Excluding Unfunded Commitments
Allowance for Loan Losses [Roll Forward]
Provisions (reversal of)	180	(83)
Real Estate Construction
Allowance for Loan Losses [Roll Forward]
Allowance for Credit Losses, Beginning balance	1,918	2,070	2,070	2,070
Allowance established for acquired PCD loans	169
Charge-offs	0	0
Recoveries	0	0
Allowance for Credit Losses, Ending balance	3,138	2,313		1,918
Real Estate Construction | Financing Receivable Excluding Unfunded Commitments
Allowance for Loan Losses [Roll Forward]
Provisions (reversal of)	1,051	243
Consumer
Allowance for Loan Losses [Roll Forward]
Allowance for Credit Losses, Beginning balance	98	141	$ 141	141
Allowance established for acquired PCD loans	150
Charge-offs	(71)	(60)
Recoveries	16	25
Allowance for Credit Losses, Ending balance	116	118		$ 98
Consumer | Financing Receivable Excluding Unfunded Commitments
Allowance for Loan Losses [Roll Forward]
Provisions (reversal of)	$ (77)	$ 12

X

- Definition

Amount of increase in allowance for credit loss on financing receivable purchased with credit deterioration.

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Amount of allowance for credit loss on financing receivable. Excludes allowance for financing receivable covered under loss sharing agreement.

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Amount of increase in allowance for credit loss on financing receivable from recovery.

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Amount of writeoff of financing receivable, charged against allowance for credit loss.

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Amount of credit loss expense (reversal of expense) for financing receivable.

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