Derivative Instrument, Covenant, Maximum Outstanding Notional Contract Amount, Percent Of Assets

No definition available.

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- Definition

Face (par) amount of debt instrument at time of issuance.

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- Definition

Nominal or face amount used to calculate payments on the derivative asset.

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- Definition

Average variable interest rate related to the group of interest rate derivatives.

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- Definition

Nominal or face amount used to calculate payments on the derivative liability.

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- Definition

Nominal or face amount used to calculate payment on derivative.

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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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- Definition

The estimated net amount of unrealized gains or losses on interest rate cash flow hedges as of the balance sheet date expected to be reclassified to earnings within the next twelve months.

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Derivative Instruments - Narrative (Details) - USD ($)	Jun. 30, 2026	Dec. 31, 2025	Sep. 30, 2025
Derivatives, Fair Value [Line Items]
Maximum notional contract amount as percent of total assets	25.00%
Variable rate loans
Derivatives, Fair Value [Line Items]
Interest rate cash flow hedge gain (loss) to be reclassified during next 12 months, net	$ 6,900,000
Variable rate commercial MBS
Derivatives, Fair Value [Line Items]
Interest rate cash flow hedge gain (loss) to be reclassified during next 12 months, net	$ 1,400,000
Subordinated debentures
Derivatives, Fair Value [Line Items]
Face amount of debt			$ 325,000,000.0
Fair Value Hedges
Derivatives, Fair Value [Line Items]
Derivative, average variable interest rate	1.21%	1.21%
Derivative liabilities, Notional	$ 325,000,000	$ 325,000,000
Derivative assets, notional amount	1,001,715,000	$ 1,001,715,000
Risk Participation Agreements
Derivatives, Fair Value [Line Items]
Derivative, notional amount	4,000,000.0
Energy Related Derivative
Derivatives, Fair Value [Line Items]
Derivative liabilities, Notional	0
Derivative assets, notional amount	$ 0