Borrowings - Additional Information (Detail) $ in Thousands	12 Months Ended
Dec. 31, 2020 USD ($) Loan	Dec. 31, 2021 USD ($)
Banks unused remaining borrowing capacity	$ 112,600	$ 109,700
Advances from Federal Home Loan Bank	34,127	29,462
Federal home loan bank maximum borrowing capacity	$ 3,000	3,000
Fed Funds Borrowing [Member]
Fed funds borrowing capacity		$ 5,000
PPPLF [Member]
CARES Act loan interest rate	0.35%	0.35%
CARES Act loan advances	$ 18,200	$ 0
CARES Act collateralized loans \| Loan	110
New England Program [Member]
Advances from Federal Home Loan Bank	$ 4,000	$ 4,500
Interest rate	0.00%	0.00%

CARES Act loan advances.

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- Definition

CARES Act loan interest rate.

+ References

No definition available.

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- Definition

CARES Act number of outstanding advances and collateralized loans.

+ References

No definition available.

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- Definition

Amount of borrowings as of the balance sheet date from the Federal Home Loan Bank, which are primarily used to cover shortages in the required reserve balance and liquidity shortages.

+ References

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- Definition

Discloses the single interest rate [if] applicable to the advances from the Federal Home Loan Bank, by branch, as of the Balance Sheet date.

+ References

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- Definition

Amount of advances or credit lines available from the Federal Home Loan Bank (FHLB).

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Amount of maximum advances or credit lines available from the Federal Home Loan Bank (FHLB).

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- Definition

Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility.

+ References

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