Loans and Leases and the Allowance for Credit Losses - Changes in Allowance for Credit Losses (Parenthetical) (Details) - USD ($) $ in Thousands		3 Months Ended		6 Months Ended
	Apr. 01, 2022	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021
Financing Receivable Allowance For Credit Losses [Line Items]
Provision for credit losses		$ 302,000	$ (15,000)	$ 312,000	$ (40,000)
Charge-offs		(75,614)	$ (80,369)	(126,652)	$ (203,294)
Non PCD Acquired Loans [Member]
Financing Receivable Allowance For Credit Losses [Line Items]
Provision for credit losses		242,000		242,000
PCD Acquired Loans [Member]
Financing Receivable Allowance For Credit Losses [Line Items]
Charge-offs	$ (33,000)	$ (33,000)		$ (33,000)