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Securities - Schedule of Amortized Cost of Debt Securities Held-to-Maturity, Aggregated by Credit Quality Indicator (Details) $ in Thousands	Sep. 30, 2023 USD ($)
Securities Financing Transaction [Line Items]
Carrying value	$ 404,292
Investment Grade
Securities Financing Transaction [Line Items]
Carrying value	389,912
Non-Investment Grade/Non-rated
Securities Financing Transaction [Line Items]
Carrying value	14,380
State and municipal debt obligations
Securities Financing Transaction [Line Items]
Carrying value	228,779
State and municipal debt obligations | Investment Grade
Securities Financing Transaction [Line Items]
Carrying value	228,779
State and municipal debt obligations | Non-Investment Grade/Non-rated
Securities Financing Transaction [Line Items]
Carrying value	0
Corporate debt securities
Securities Financing Transaction [Line Items]
Carrying value	71,430
Corporate debt securities | Investment Grade
Securities Financing Transaction [Line Items]
Carrying value	57,050
Corporate debt securities | Non-Investment Grade/Non-rated
Securities Financing Transaction [Line Items]
Carrying value	14,380
Agency commercial
Securities Financing Transaction [Line Items]
Carrying value	83,323
Agency commercial | Investment Grade
Securities Financing Transaction [Line Items]
Carrying value	83,323
Agency commercial | Non-Investment Grade/Non-rated
Securities Financing Transaction [Line Items]
Carrying value	0
Non-agency commercial MBS
Securities Financing Transaction [Line Items]
Carrying value	20,760
Non-agency commercial MBS | Investment Grade
Securities Financing Transaction [Line Items]
Carrying value	20,760
Non-agency commercial MBS | Non-Investment Grade/Non-rated
Securities Financing Transaction [Line Items]
Carrying value	$ 0

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- Definition

Debt Securities, Held-To-Maturity, Amortized Cost, Excluding Accrued Interest, After Allowance For Credit Loss

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No definition available.

+ Details

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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.

+ References

No definition available.

+ Details

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- Details

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- Details

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