Acquisitions - Supplemental Pro Forma Financial Information (Details) - USD ($) $ / shares in Units, $ in Thousands		3 Months Ended
	Mar. 31, 2022	Mar. 31, 2022	Mar. 31, 2022	Mar. 31, 2021
1st Constitution Actual from acquisition to March 31, 2022
Net interest income			$ 11,406
Provision (benefit) for credit losses			37
Noninterest income			2,108
Noninterest expense			7,730
Net income	$ 4,352
Net interest income			72,794	$ 71,689
Provision (benefit) for credit losses			6,272	(1,242)
Noninterest income			6,478	9,837
Noninterest expense			48,407	45,306
Net income			$ 18,713	$ 27,671
Fully diluted (in usd per share)		$ 0.07	$ 0.29	$ 0.43