Loans and Leases - Amortized Cost Basis of Nonaccrual Loans and Leases (Details) $ in Thousands	12 Months Ended
	Dec. 31, 2020 USD ($)
Loans and Leases Receivable Disclosure [Line Items]
Nonaccrual with No ACL	$ 4,404
Nonaccrual with ACL	902
Loans Past Due Over 89 Days Still Accruing	0
Interest receivable on nonaccrual loans	122
Real Estate Collateral
Loans and Leases Receivable Disclosure [Line Items]
Nonaccrual with ACL	2,629
Non-Real Estate Collateral
Loans and Leases Receivable Disclosure [Line Items]
Nonaccrual with ACL	2,677
Individually Evaluated ACL
Loans and Leases Receivable Disclosure [Line Items]
Nonaccrual with ACL	844
Real estate loans | CRE - nonowner-occupied
Loans and Leases Receivable Disclosure [Line Items]
Nonaccrual with No ACL	57
Nonaccrual with ACL	0
Loans Past Due Over 89 Days Still Accruing	0
Real estate loans | CRE - nonowner-occupied | Real Estate Collateral
Loans and Leases Receivable Disclosure [Line Items]
Nonaccrual with ACL	57
Real estate loans | CRE - nonowner-occupied | Non-Real Estate Collateral
Loans and Leases Receivable Disclosure [Line Items]
Nonaccrual with ACL	0
Real estate loans | CRE - nonowner-occupied | Individually Evaluated ACL
Loans and Leases Receivable Disclosure [Line Items]
Nonaccrual with ACL	0
Real estate loans | CRE - owner-occupied
Loans and Leases Receivable Disclosure [Line Items]
Nonaccrual with No ACL	1,659
Nonaccrual with ACL	0
Loans Past Due Over 89 Days Still Accruing	0
Real estate loans | CRE - owner-occupied | Real Estate Collateral
Loans and Leases Receivable Disclosure [Line Items]
Nonaccrual with ACL	1,659
Real estate loans | CRE - owner-occupied | Non-Real Estate Collateral
Loans and Leases Receivable Disclosure [Line Items]
Nonaccrual with ACL	0
Real estate loans | CRE - owner-occupied | Individually Evaluated ACL
Loans and Leases Receivable Disclosure [Line Items]
Nonaccrual with ACL	0
Real estate loans | Home equity lines of credit
Loans and Leases Receivable Disclosure [Line Items]
Nonaccrual with No ACL	729
Nonaccrual with ACL	0
Loans Past Due Over 89 Days Still Accruing	0
Real estate loans | Home equity lines of credit | Real Estate Collateral
Loans and Leases Receivable Disclosure [Line Items]
Nonaccrual with ACL	729
Real estate loans | Home equity lines of credit | Non-Real Estate Collateral
Loans and Leases Receivable Disclosure [Line Items]
Nonaccrual with ACL	0
Real estate loans | Home equity lines of credit | Individually Evaluated ACL
Loans and Leases Receivable Disclosure [Line Items]
Nonaccrual with ACL	0
Real estate loans | Residential Mortgage | 1st liens
Loans and Leases Receivable Disclosure [Line Items]
Nonaccrual with No ACL	99
Nonaccrual with ACL	0
Loans Past Due Over 89 Days Still Accruing	0
Real estate loans | Residential Mortgage | 1st liens | Real Estate Collateral
Loans and Leases Receivable Disclosure [Line Items]
Nonaccrual with ACL	99
Real estate loans | Residential Mortgage | 1st liens | Non-Real Estate Collateral
Loans and Leases Receivable Disclosure [Line Items]
Nonaccrual with ACL	0
Real estate loans | Residential Mortgage | 1st liens | Individually Evaluated ACL
Loans and Leases Receivable Disclosure [Line Items]
Nonaccrual with ACL	0
Real estate loans | Residential Mortgage | Junior liens
Loans and Leases Receivable Disclosure [Line Items]
Nonaccrual with No ACL	85
Nonaccrual with ACL	0
Loans Past Due Over 89 Days Still Accruing	0
Real estate loans | Residential Mortgage | Junior liens | Real Estate Collateral
Loans and Leases Receivable Disclosure [Line Items]
Nonaccrual with ACL	85
Real estate loans | Residential Mortgage | Junior liens | Non-Real Estate Collateral
Loans and Leases Receivable Disclosure [Line Items]
Nonaccrual with ACL	0
Real estate loans | Residential Mortgage | Junior liens | Individually Evaluated ACL
Loans and Leases Receivable Disclosure [Line Items]
Nonaccrual with ACL	0
Real estate loans | Construction
Loans and Leases Receivable Disclosure [Line Items]
Nonaccrual with No ACL	0
Nonaccrual with ACL	0
Loans Past Due Over 89 Days Still Accruing	0
Real estate loans | Construction | Real Estate Collateral
Loans and Leases Receivable Disclosure [Line Items]
Nonaccrual with ACL	0
Real estate loans | Construction | Non-Real Estate Collateral
Loans and Leases Receivable Disclosure [Line Items]
Nonaccrual with ACL	0
Real estate loans | Construction | Individually Evaluated ACL
Loans and Leases Receivable Disclosure [Line Items]
Nonaccrual with ACL	0
Commercial & Industrial
Loans and Leases Receivable Disclosure [Line Items]
Nonaccrual with No ACL	1,775
Nonaccrual with ACL	0
Loans Past Due Over 89 Days Still Accruing	0
Commercial & Industrial | Real Estate Collateral
Loans and Leases Receivable Disclosure [Line Items]
Nonaccrual with ACL	0
Commercial & Industrial | Non-Real Estate Collateral
Loans and Leases Receivable Disclosure [Line Items]
Nonaccrual with ACL	1,775
Commercial & Industrial | Individually Evaluated ACL
Loans and Leases Receivable Disclosure [Line Items]
Nonaccrual with ACL	0
Consumer
Loans and Leases Receivable Disclosure [Line Items]
Nonaccrual with No ACL	0
Nonaccrual with ACL	30
Loans Past Due Over 89 Days Still Accruing	0
Consumer | Real Estate Collateral
Loans and Leases Receivable Disclosure [Line Items]
Nonaccrual with ACL	0
Consumer | Non-Real Estate Collateral
Loans and Leases Receivable Disclosure [Line Items]
Nonaccrual with ACL	30
Consumer | Individually Evaluated ACL
Loans and Leases Receivable Disclosure [Line Items]
Nonaccrual with ACL	30
Leases
Loans and Leases Receivable Disclosure [Line Items]
Nonaccrual with No ACL	0
Nonaccrual with ACL	872
Loans Past Due Over 89 Days Still Accruing	0
Leases | Real Estate Collateral
Loans and Leases Receivable Disclosure [Line Items]
Nonaccrual with ACL	0
Leases | Non-Real Estate Collateral
Loans and Leases Receivable Disclosure [Line Items]
Nonaccrual with ACL	872
Leases | Individually Evaluated ACL
Loans and Leases Receivable Disclosure [Line Items]
Nonaccrual with ACL	$ 814