Basis of Presentation -Summary of Loans and Leases Policies (Details)	3 Months Ended
	Mar. 31, 2020
Commercial: | Commercial and industrial
Loans and Leases Receivable Disclosure [Line Items]
Threshold Period Past Due for Placing on Nonaccrual Status of Loans	90 days
Threshold Period Past Due for Charge-off of Loans	90 days
Commercial: | CRE
Loans and Leases Receivable Disclosure [Line Items]
Threshold Period Past Due for Placing on Nonaccrual Status of Loans	90 days
Threshold Period Past Due for Charge-off of Loans	90 days
Commercial: | Commercial construction
Loans and Leases Receivable Disclosure [Line Items]
Threshold Period Past Due for Placing on Nonaccrual Status of Loans	90 days
Threshold Period Past Due for Charge-off of Loans	90 days
Commercial: | Lease financing
Loans and Leases Receivable Disclosure [Line Items]
Threshold Period Past Due for Placing on Nonaccrual Status of Loans	90 days
Threshold Period Past Due for Charge-off of Loans	90 days
Consumer: | Residential Mortgage | Minimum
Loans and Leases Receivable Disclosure [Line Items]
Threshold Period Past Due for Placing on Nonaccrual Status of Loans	90 days
Threshold Period Past Due for Charge-off of Loans	90 days
Consumer: | Residential Mortgage | Maximum
Loans and Leases Receivable Disclosure [Line Items]
Threshold Period Past Due for Placing on Nonaccrual Status of Loans	180 days
Threshold Period Past Due for Charge-off of Loans	210 days
Consumer: | Residential home equity and direct | Minimum
Loans and Leases Receivable Disclosure [Line Items]
Threshold Period Past Due for Placing on Nonaccrual Status of Loans	90 days
Threshold Period Past Due for Charge-off of Loans	90 days
Consumer: | Residential home equity and direct | Maximum
Loans and Leases Receivable Disclosure [Line Items]
Threshold Period Past Due for Placing on Nonaccrual Status of Loans	120 days
Threshold Period Past Due for Charge-off of Loans	180 days
Consumer: | Indirect auto
Loans and Leases Receivable Disclosure [Line Items]
Threshold Period Past Due for Placing on Nonaccrual Status of Loans	90 days
Threshold Period Past Due for Charge-off of Loans	120 days
Consumer: | Indirect other | Minimum
Loans and Leases Receivable Disclosure [Line Items]
Threshold Period Past Due for Placing on Nonaccrual Status of Loans	90 days
Threshold Period Past Due for Charge-off of Loans	120 days
Consumer: | Indirect other | Maximum
Loans and Leases Receivable Disclosure [Line Items]
Threshold Period Past Due for Placing on Nonaccrual Status of Loans	120 days
Threshold Period Past Due for Charge-off of Loans	180 days
Consumer: | Student | Minimum
Loans and Leases Receivable Disclosure [Line Items]
Threshold Period Past Due for Charge-off of Loans	120 days
Consumer: | Student | Maximum
Loans and Leases Receivable Disclosure [Line Items]
Threshold Period Past Due for Charge-off of Loans	180 days
Credit card | Minimum
Loans and Leases Receivable Disclosure [Line Items]
Threshold Period Past Due for Charge-off of Loans	90 days
Credit card | Maximum
Loans and Leases Receivable Disclosure [Line Items]
Threshold Period Past Due for Charge-off of Loans	180 days