Acquisitions - Summary of PCD Loans Acquired (Details) - USD ($) $ in Thousands		3 Months Ended
	Jan. 06, 2022	Mar. 31, 2022	Mar. 31, 2021
Business Acquisition [Line Items]
Gross amortized cost basis	$ 140,300
Interest component of expected cash flows (accretable difference)	(3,792)
Allowance for credit losses on PCD loans	(12,077)	$ (12,077)	$ 0
Net PCD loans	124,431
1st Constitution Bancorp
Business Acquisition [Line Items]
Gross amortized cost basis	1,110,600
Allowance for credit losses on PCD loans	(12,077)
Net PCD loans		$ 112,900
1st Constitution Bancorp | Financial Asset Acquired with Credit Deterioration
Business Acquisition [Line Items]
Gross amortized cost basis	140,300
Interest component of expected cash flows (accretable difference)	(3,792)
Allowance for credit losses on PCD loans	(12,077)
Net PCD loans	$ 124,431