Loans and Leases - Troubled Debt Restructurings (Details) $ in Thousands	12 Months Ended
	Dec. 31, 2020 USD ($) contract loan	Dec. 31, 2019 USD ($) contract
Financing Receivable, Troubled Debt Restructuring [Line Items]
Troubled debt restructurings | $	$ 8,783	$ 8,089
Number of contracts	10	12
Pre-modification outstanding recorded investment | $	$ 4,387	$ 3,259
Post-modification outstanding recorded investment | $	$ 4,387	$ 3,259
Loan Term Extension
Financing Receivable, Troubled Debt Restructuring [Line Items]
Number of contracts	3	3
Interest Rate Change and Term Extension
Financing Receivable, Troubled Debt Restructuring [Line Items]
Number of contracts	0	3
Term Extension and Interest-Only Period
Financing Receivable, Troubled Debt Restructuring [Line Items]
Number of contracts	1	0
Interest Rate Change and/or Interest-Only Period
Financing Receivable, Troubled Debt Restructuring [Line Items]
Number of contracts	0	2
Contractual Payment Reduction (Leases only)
Financing Receivable, Troubled Debt Restructuring [Line Items]
Number of contracts	4	4
Temporary Payment Deferral
Financing Receivable, Troubled Debt Restructuring [Line Items]
Number of contracts	2	0
Real estate loans | CRE - nonowner-occupied
Financing Receivable, Troubled Debt Restructuring [Line Items]
Number of contracts	2	1
Pre-modification outstanding recorded investment | $	$ 1,809	$ 184
Post-modification outstanding recorded investment | $	$ 1,809	$ 184
Real estate loans | CRE - owner-occupied
Financing Receivable, Troubled Debt Restructuring [Line Items]
Number of contracts	2	1
Pre-modification outstanding recorded investment | $	$ 986	$ 1,287
Post-modification outstanding recorded investment | $	$ 986	$ 1,287
Number of loans that were charged off | loan	1
Loans previously modified to TDR charged off | $	$ 992
Real estate loans | Construction
Financing Receivable, Troubled Debt Restructuring [Line Items]
Number of contracts	1
Pre-modification outstanding recorded investment | $	$ 1,291
Post-modification outstanding recorded investment | $	$ 1,291
Real estate loans | Loan Term Extension | CRE - nonowner-occupied
Financing Receivable, Troubled Debt Restructuring [Line Items]
Number of contracts	0	1
Real estate loans | Loan Term Extension | CRE - owner-occupied
Financing Receivable, Troubled Debt Restructuring [Line Items]
Number of contracts	2	1
Real estate loans | Interest Rate Change and Term Extension | CRE - nonowner-occupied
Financing Receivable, Troubled Debt Restructuring [Line Items]
Number of contracts	0	0
Real estate loans | Interest Rate Change and Term Extension | CRE - owner-occupied
Financing Receivable, Troubled Debt Restructuring [Line Items]
Number of contracts	0	0
Real estate loans | Term Extension and Interest-Only Period | CRE - nonowner-occupied
Financing Receivable, Troubled Debt Restructuring [Line Items]
Number of contracts	0	0
Real estate loans | Term Extension and Interest-Only Period | CRE - owner-occupied
Financing Receivable, Troubled Debt Restructuring [Line Items]
Number of contracts	0	0
Real estate loans | Interest Rate Change and/or Interest-Only Period | CRE - nonowner-occupied
Financing Receivable, Troubled Debt Restructuring [Line Items]
Number of contracts	0	0
Real estate loans | Interest Rate Change and/or Interest-Only Period | CRE - owner-occupied
Financing Receivable, Troubled Debt Restructuring [Line Items]
Number of contracts	0	0
Real estate loans | Contractual Payment Reduction (Leases only) | CRE - nonowner-occupied
Financing Receivable, Troubled Debt Restructuring [Line Items]
Number of contracts	0	0
Real estate loans | Contractual Payment Reduction (Leases only) | CRE - owner-occupied
Financing Receivable, Troubled Debt Restructuring [Line Items]
Number of contracts	0	0
Real estate loans | Temporary Payment Deferral | CRE - nonowner-occupied
Financing Receivable, Troubled Debt Restructuring [Line Items]
Number of contracts	2	0
Real estate loans | Temporary Payment Deferral | CRE - owner-occupied
Financing Receivable, Troubled Debt Restructuring [Line Items]
Number of contracts	0	0
Construction | Loan Term Extension
Financing Receivable, Troubled Debt Restructuring [Line Items]
Number of contracts	0
Construction | Interest Rate Change and Term Extension
Financing Receivable, Troubled Debt Restructuring [Line Items]
Number of contracts	0
Construction | Term Extension and Interest-Only Period
Financing Receivable, Troubled Debt Restructuring [Line Items]
Number of contracts	1
Construction | Interest Rate Change and/or Interest-Only Period
Financing Receivable, Troubled Debt Restructuring [Line Items]
Number of contracts	0
Construction | Contractual Payment Reduction (Leases only)
Financing Receivable, Troubled Debt Restructuring [Line Items]
Number of contracts	0
Construction | Temporary Payment Deferral
Financing Receivable, Troubled Debt Restructuring [Line Items]
Number of contracts	0
Commercial & Industrial
Financing Receivable, Troubled Debt Restructuring [Line Items]
Number of contracts	1	3
Pre-modification outstanding recorded investment | $	$ 118	$ 1,362
Post-modification outstanding recorded investment | $	$ 118	$ 1,362
Commercial & Industrial | Loan Term Extension
Financing Receivable, Troubled Debt Restructuring [Line Items]
Number of contracts	1	1
Commercial & Industrial | Interest Rate Change and Term Extension
Financing Receivable, Troubled Debt Restructuring [Line Items]
Number of contracts	0	0
Commercial & Industrial | Term Extension and Interest-Only Period
Financing Receivable, Troubled Debt Restructuring [Line Items]
Number of contracts	0	0
Commercial & Industrial | Interest Rate Change and/or Interest-Only Period
Financing Receivable, Troubled Debt Restructuring [Line Items]
Number of contracts	0	2
Commercial & Industrial | Contractual Payment Reduction (Leases only)
Financing Receivable, Troubled Debt Restructuring [Line Items]
Number of contracts	0	0
Commercial & Industrial | Temporary Payment Deferral
Financing Receivable, Troubled Debt Restructuring [Line Items]
Number of contracts	0	0
Residential mortgage
Financing Receivable, Troubled Debt Restructuring [Line Items]
Number of contracts		3
Pre-modification outstanding recorded investment | $		$ 226
Post-modification outstanding recorded investment | $		$ 226
Residential mortgage | Loan Term Extension
Financing Receivable, Troubled Debt Restructuring [Line Items]
Number of contracts		0
Residential mortgage | Interest Rate Change and Term Extension
Financing Receivable, Troubled Debt Restructuring [Line Items]
Number of contracts		3
Residential mortgage | Term Extension and Interest-Only Period
Financing Receivable, Troubled Debt Restructuring [Line Items]
Number of contracts		0
Residential mortgage | Interest Rate Change and/or Interest-Only Period
Financing Receivable, Troubled Debt Restructuring [Line Items]
Number of contracts		0
Residential mortgage | Contractual Payment Reduction (Leases only)
Financing Receivable, Troubled Debt Restructuring [Line Items]
Number of contracts		0
Residential mortgage | Temporary Payment Deferral
Financing Receivable, Troubled Debt Restructuring [Line Items]
Number of contracts		0
Leases
Financing Receivable, Troubled Debt Restructuring [Line Items]
Number of contracts	4	4
Pre-modification outstanding recorded investment | $	$ 183	$ 199
Post-modification outstanding recorded investment | $	$ 183	$ 199
Leases | Loan Term Extension
Financing Receivable, Troubled Debt Restructuring [Line Items]
Number of contracts	0	0
Leases | Interest Rate Change and Term Extension
Financing Receivable, Troubled Debt Restructuring [Line Items]
Number of contracts	0	0
Leases | Term Extension and Interest-Only Period
Financing Receivable, Troubled Debt Restructuring [Line Items]
Number of contracts	0	0
Leases | Interest Rate Change and/or Interest-Only Period
Financing Receivable, Troubled Debt Restructuring [Line Items]
Number of contracts	0	0
Leases | Contractual Payment Reduction (Leases only)
Financing Receivable, Troubled Debt Restructuring [Line Items]
Number of contracts	4	4
Leases | Temporary Payment Deferral
Financing Receivable, Troubled Debt Restructuring [Line Items]
Number of contracts	0	0
Nonperforming Financial Instruments
Financing Receivable, Troubled Debt Restructuring [Line Items]
Troubled debt restructurings | $	$ 1,737	$ 3,018
Performing Financial Instruments
Financing Receivable, Troubled Debt Restructuring [Line Items]
Troubled debt restructurings | $	$ 7,046	$ 5,071