Income Taxes - Additional Information (Detail) - USD ($)	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Jan. 06, 2022
Income Tax Disclosure [Line Items]
Net deferred tax assets	$ 47,175,000	$ 49,779,000
Unrecognized tax benefits	0	0
Unrecognized tax benefits, income tax penalties and interest expense	$ 0	$ 0
1st Constitution Bancorp
Income Tax Disclosure [Line Items]
Net deferred tax assets			$ 7,200,000