Loans and Leases - Loan Balances By Classification (Details) - USD ($) $ in Thousands		Sep. 30, 2022	Dec. 31, 2021
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing receivable	[1]	$ 4,611,207	$ 4,481,600
Loans Receivable
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing receivable		4,611,207	4,481,600
Construction
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing receivable		215,621	210,232
Commercial real estate, other
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing receivable		1,423,479	1,550,081
Commercial and industrial
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing receivable		877,472	891,392
Premium finance
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing receivable		167,682	136,136
Leases
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing receivable		312,847	122,508
Residential real estate
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing receivable		733,361	771,718
Home equity lines of credit
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing receivable		174,525	163,593
Consumer, indirect
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing receivable		592,309	530,532
Consumer, direct
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing receivable		113,314	104,652
Deposit account overdrafts
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing receivable		$ 597	$ 756

[1] Also referred to throughout this Quarterly Report on Form 10-Q as "total loans" and "loans held for investment."