Allowance for Loan and Lease Losses and Reserve for Unfunded Commitments - Summary of TDR's by Loan Category (Details) $ in Thousands	12 Months Ended
Dec. 31, 2021 USD ($) Loan	Dec. 31, 2020 USD ($) Loan	Dec. 31, 2019 USD ($) Loan
Financing Receivable Modifications [Line Items]
Number of Loans \| Loan	15	30	27
Pre-Modification Outstanding Recorded Investment	$ 4,706	$ 8,524	$ 12,700
Post-Modification Outstanding Recorded Investment	3,433	8,145	10,571
Charge-offs	1,273	379	2,129
Specific Reserves	$ 457	$ 3,441	$ 2,166
Accruing
Financing Receivable Modifications [Line Items]
Number of Loans \| Loan	8	12	9
Pre-Modification Outstanding Recorded Investment	$ 1,927	$ 2,495	$ 1,771
Post-Modification Outstanding Recorded Investment	1,927	2,495	1,771
Specific Reserves	$ 346	$ 182	$ 341
Non-accruing
Financing Receivable Modifications [Line Items]
Number of Loans \| Loan	7	18	18
Pre-Modification Outstanding Recorded Investment	$ 2,779	$ 6,029	$ 10,929
Post-Modification Outstanding Recorded Investment	1,506	5,650	8,800
Charge-offs	1,273	379	2,129
Specific Reserves	$ 111	$ 3,259	$ 1,825
Commercial Real Estate \| Accruing
Financing Receivable Modifications [Line Items]
Number of Loans \| Loan	5	8	5
Pre-Modification Outstanding Recorded Investment	$ 1,703	$ 2,187	$ 1,451
Post-Modification Outstanding Recorded Investment	1,703	2,187	1,451
Specific Reserves	$ 215	$ 104	$ 223
Commercial Real Estate \| Non-accruing
Financing Receivable Modifications [Line Items]
Number of Loans \| Loan	4	4	6
Pre-Modification Outstanding Recorded Investment	$ 1,034	$ 1,609	$ 2,777
Post-Modification Outstanding Recorded Investment	918	1,362	2,600
Charge-offs	116	247	177
Specific Reserves	$ 111	$ 102	$ 513
Commercial and Industrial \| Accruing
Financing Receivable Modifications [Line Items]
Number of Loans \| Loan	1	1	2
Pre-Modification Outstanding Recorded Investment	$ 56	$ 78	$ 129
Post-Modification Outstanding Recorded Investment	56	78	129
Specific Reserves	$ 131	$ 78	$ 118
Commercial and Industrial \| Non-accruing
Financing Receivable Modifications [Line Items]
Number of Loans \| Loan	3	14	11
Pre-Modification Outstanding Recorded Investment	$ 1,745	$ 4,420	$ 8,048
Post-Modification Outstanding Recorded Investment	588	4,288	6,096
Charge-offs	1,157	132	1,952
Specific Reserves	$ 0	$ 3,157	$ 1,312
Residential Real Estate \| Accruing
Financing Receivable Modifications [Line Items]
Number of Loans \| Loan	2	3	1
Pre-Modification Outstanding Recorded Investment	$ 168	$ 230	$ 191
Post-Modification Outstanding Recorded Investment	168	230	191
Specific Reserves	$ 0	$ 0
Residential Real Estate \| Non-accruing
Financing Receivable Modifications [Line Items]
Pre-Modification Outstanding Recorded Investment			104
Post-Modification Outstanding Recorded Investment			$ 104

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Number of financing receivables that have been modified by troubled debt restructurings.

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Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
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-SubTopic 10
-Section 50
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Reflects the amount of the write-down related to a troubled debt restructuring.

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