Borrowings FHLB (Details) $ in Thousands	Sep. 30, 2023 USD ($) Rate
Federal Home Loan Bank Advances Table [Line Items]
Federal Home Loan Bank, Advances, Index Amortizing \| $	$ 887,548
Federal Home Loan Bank, Advance \| $	$ 287,000
Federal Home Loan Bank, Advances, Interest Rate \| Rate	5.57%
Federal Home Loan Bank, Advance, Maturity, Weighted Average Rate, Net of Hedge, Year One \| Rate	5.50%
Federal home loan Bank advances weighted Average Interest Rate inclusive of Swaps \| Rate	3.87%
Federal Home Loan Bank, Advance, Maturity, Average Interest Rate, Year One \| Rate	5.51%
Federal Home Loan Bank, Advances, Weighted Average Interest Rate, Index Amortizing \| Rate	1.40%
Debt Instrument, Unamortized Premium \| $	$ 548
Federal Home Loan Bank of Boston
Federal Home Loan Bank Advances Table [Line Items]
Derivative, Amount of Hedged Item \| $	200,000
Federal Home Loan Bank, Advance, Maturity, Year One \| $	$ 400,000

Federal Home Loan Bank Advances Table [Line Items]

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Federal home loan Bank advances weighted Average Interest Rate inclusive of Swaps

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Amount, after accumulated amortization, of debt premium.

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Amount of hedged item in hedging relationship. Excludes hedged asset or liability.

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Amount of Federal Home Loan Bank (FHLBank) advances to member financial institutions.

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The calculated weighted average interest rate for Federal Home Loan Bank advances outstanding as of the Balance Sheet date.

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Par amount of index amortizing advances made and reported by Federal Home Loan Bank (FHLBank).

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Interest rate of advances made and reported by Federal Home Loan Bank (FHLBank).

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Weighted average interest rate of advance from Federal Home Loan Bank (FHLBank) due in next fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).

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Amount of advance from Federal Home Loan Bank (FHLBank) maturing in next fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).

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Weighted average interest rate on index amortizing advances made by Federal Home Loan Bank (FHLBank).

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