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Allowance for Credit Losses - Additional Information (Detail) - USD ($)	3 Months Ended		9 Months Ended
	Sep. 30, 2024	Sep. 30, 2023	Sep. 30, 2024	Sep. 30, 2023	Dec. 31, 2023
Accounts Notes And Loans Receivable [Line Items]
Provision for credit losses	$ 1,346,000	$ 630,000	$ 5,188,000	$ 2,111,000
Number of days reaching where loans are considered for nonaccrual status			90 days
Conditions where loans are considered for nonaccrual status			A loan may be returned to accruing status only if one of two conditions are met: the loan is well-secured and none of the principal and interest has been past due for a minimum of 90 days or the principal and interest payments are reasonably assured and a sustained period of performance has occurred, generally six months.
Loans modified as troubled debt restructuring	0	$ 0	$ 0	$ 0
Individually evaluated loans			greater than $350
Foreclosed assets	$ 0		$ 0		$ 0

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Loans Classified As Non Accrual Description

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- Definition

Represents the number of days past due for loans and leases to be considered nonaccrual.

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Range of amount of individually evaluated loans tested for impairment.

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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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-Topic 310
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- Definition

Accumulated amortized cost of financing receivable modified for debtor experiencing financial difficulty.

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Carrying amount as of the balance sheet date of all assets obtained in full or partial satisfaction of a debt arrangement through foreclosure proceedings or defeasance; includes real and personal property; equity interests in corporations, partnerships, and joint ventures; and beneficial interests in trusts.

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Amount of expense (reversal of expense) for expected credit loss on accounts receivable.

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