Borrowings - Borrowings and Subordinated Debt (Detail) - USD ($) $ in Thousands	Sep. 30, 2024	Dec. 31, 2023
Debt Disclosure [Abstract]
Long-term borrowings	$ 40,000	$ 0
Short-term borrowings	0	10,000
Note payable	572	590
Subordinated Debt	61,843	61,444
Total Long-term borrowings	$ 102,415	$ 72,034

Amount, after deduction of unamortized premium (discount) and debt issuance cost, of long-term debt. Excludes lease obligation.

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Name:	us-gaap_LongTermDebt
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant