Acquisitions - Supplemental Pro Forma Financial Information (Details) - USD ($) $ / shares in Units, $ in Thousands	6 Months Ended
	Jun. 30, 2022	Jun. 30, 2022	Jun. 30, 2021
1st Constitution Actual from Acquisition to June 30, 2022
Net interest income		$ 23,078
Provision (benefit) for credit losses		49
Noninterest income		6,002
Noninterest expense		14,851
Net income		$ 10,720
Fully diluted (in usd per share)		$ 0.17
Net interest income	$ 153,096		$ 145,625
Provision (benefit) for credit losses	9,916		(6,601)
Noninterest income	13,541		18,841
Noninterest expense	93,475		90,398
Net income	$ 48,925		$ 59,686
Fully diluted (in usd per share)	$ 0.75		$ 0.97