Loans and Leases (Recorded Investment, By Class, In Loans And Leases On Nonaccrual Status And Loans And Leases Greater Than 90 Days Past Due And Still Accruing) (Details) - USD ($) $ in Thousands	Dec. 31, 2021	Dec. 31, 2020
Accounts, Notes, Loans and Financing Receivable [Line Items]
Nonaccruing	$ 120,306	$ 191,483
Loans and leases greater than 90 days and accruing	6,925	5,862
Non-PCI Loans | Commercial
Accounts, Notes, Loans and Financing Receivable [Line Items]
Nonaccruing	35,287	43,322
Loans and leases greater than 90 days and accruing	5,431	4,312
Non-PCI Loans | Commercial | Construction and land development
Accounts, Notes, Loans and Financing Receivable [Line Items]
Nonaccruing	2,128	1,661
Loans and leases greater than 90 days and accruing	0	0
Non-PCI Loans | Commercial | Commercial and industrial
Accounts, Notes, Loans and Financing Receivable [Line Items]
Nonaccruing	17,384	10,626
Loans and leases greater than 90 days and accruing	661	540
Non-PCI Loans | Commercial | Mortgage Receivable, Owner Occupied
Accounts, Notes, Loans and Financing Receivable [Line Items]
Nonaccruing	11,355	23,103
Loans and leases greater than 90 days and accruing	4,573	3,625
Non-PCI Loans | Commercial | Mortgage Receivable, Non-Owner Occupied
Accounts, Notes, Loans and Financing Receivable [Line Items]
Nonaccruing	4,420	7,932
Loans and leases greater than 90 days and accruing	197	147
Non-PCI Loans | Consumer Portfolio Segment
Accounts, Notes, Loans and Financing Receivable [Line Items]
Nonaccruing	55,403	93,222
Loans and leases greater than 90 days and accruing	951	1,195
Non-PCI Loans | Consumer Portfolio Segment | Construction and land development
Accounts, Notes, Loans and Financing Receivable [Line Items]
Nonaccruing	482	652
Loans and leases greater than 90 days and accruing	0	0
Non-PCI Loans | Consumer Portfolio Segment | Residential Mortgage
Accounts, Notes, Loans and Financing Receivable [Line Items]
Nonaccruing	35,395	66,345
Loans and leases greater than 90 days and accruing	0	0
Non-PCI Loans | Consumer Portfolio Segment | Revolving mortgage
Accounts, Notes, Loans and Financing Receivable [Line Items]
Nonaccruing		22,236
Loans and leases greater than 90 days and accruing		0
Non-PCI Loans | Consumer Portfolio Segment | Revolving Mortgage
Accounts, Notes, Loans and Financing Receivable [Line Items]
Nonaccruing	15,882
Loans and leases greater than 90 days and accruing	0
Non-PCI Loans | Consumer Portfolio Segment | Consumer Auto Loan
Accounts, Notes, Loans and Financing Receivable [Line Items]
Nonaccruing	3,089	3,166
Loans and leases greater than 90 days and accruing	0	0
Non-PCI Loans | Consumer Portfolio Segment | Consumer Loan, Other
Accounts, Notes, Loans and Financing Receivable [Line Items]
Nonaccruing	555	823
Loans and leases greater than 90 days and accruing	951	1,195
PCD Loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Nonaccruing	29,616	54,939
Loans and leases greater than 90 days and accruing	$ 543	$ 355