ACL for Loans - Troubled Debt Restructures and Prior Period Trouble Debt Restructures (Details) $ in Thousands	3 Months Ended
Mar. 31, 2022 USD ($) loan	Mar. 31, 2021 USD ($) loan
Financing Receivable, Troubled Debt Restructuring [Line Items]
Number of Restructurings \| loan	2	3
Pre-modification Outstanding Recorded Investment	$ 1,718	$ 1,215
Post-modification Outstanding Recorded Investment	$ 1,699	$ 1,138
Number of TDRs that Defaulted \| loan	1	0
Post- modification Outstanding Recorded Investment	$ 48	$ 0
Amount of ACL for loans associated with TDRs listed above	$ 0	$ 0
Extended maturity date
Financing Receivable, Troubled Debt Restructuring [Line Items]
Number of Restructurings \| loan	0	1
Post-modification Outstanding Recorded Investment	$ 0	$ 234
Temporary payment reduction and payment re-amortization of remaining principal over extended term
Financing Receivable, Troubled Debt Restructuring [Line Items]
Number of Restructurings \| loan	1	2
Post-modification Outstanding Recorded Investment	$ 1,404	$ 904
Temporary interest only payment plan
Financing Receivable, Troubled Debt Restructuring [Line Items]
Number of Restructurings \| loan	1	0
Post-modification Outstanding Recorded Investment	$ 295	$ 0
Commercial real estate
Financing Receivable, Troubled Debt Restructuring [Line Items]
Number of Restructurings \| loan	2	2
Pre-modification Outstanding Recorded Investment	$ 1,718	$ 991
Post-modification Outstanding Recorded Investment	$ 1,699	$ 914
Number of TDRs that Defaulted \| loan	0	0
Post- modification Outstanding Recorded Investment	$ 0	$ 0
Commercial and industrial
Financing Receivable, Troubled Debt Restructuring [Line Items]
Number of Restructurings \| loan	0	0
Pre-modification Outstanding Recorded Investment	$ 0	$ 0
Post-modification Outstanding Recorded Investment	$ 0	$ 0
Number of TDRs that Defaulted \| loan	1	0
Post- modification Outstanding Recorded Investment	$ 48	$ 0
Commercial construction
Financing Receivable, Troubled Debt Restructuring [Line Items]
Number of Restructurings \| loan	0	0
Pre-modification Outstanding Recorded Investment	$ 0	$ 0
Post-modification Outstanding Recorded Investment	$ 0	$ 0
Number of TDRs that Defaulted \| loan	0	0
Post- modification Outstanding Recorded Investment	$ 0	$ 0
SBA Paycheck Protection Program ("PPP")
Financing Receivable, Troubled Debt Restructuring [Line Items]
Number of Restructurings \| loan	0	0
Pre-modification Outstanding Recorded Investment	$ 0	$ 0
Post-modification Outstanding Recorded Investment	$ 0	$ 0
Number of TDRs that Defaulted \| loan	0	0
Post- modification Outstanding Recorded Investment	$ 0	$ 0
Residential mortgages
Financing Receivable, Troubled Debt Restructuring [Line Items]
Number of Restructurings \| loan	0	1
Pre-modification Outstanding Recorded Investment	$ 0	$ 224
Post-modification Outstanding Recorded Investment	$ 0	$ 224
Number of TDRs that Defaulted \| loan	0	0
Post- modification Outstanding Recorded Investment	$ 0	$ 0
Home equity loans and lines
Financing Receivable, Troubled Debt Restructuring [Line Items]
Number of Restructurings \| loan	0	0
Pre-modification Outstanding Recorded Investment	$ 0	$ 0
Post-modification Outstanding Recorded Investment	$ 0	$ 0
Number of TDRs that Defaulted \| loan	0	0
Post- modification Outstanding Recorded Investment	$ 0	$ 0
Consumer
Financing Receivable, Troubled Debt Restructuring [Line Items]
Number of Restructurings \| loan	0	0
Pre-modification Outstanding Recorded Investment	$ 0	$ 0
Post-modification Outstanding Recorded Investment	$ 0	$ 0
Number of TDRs that Defaulted \| loan	0	0
Post- modification Outstanding Recorded Investment	$ 0	$ 0

Amount of allowance for credit losses related to troubled debt restructurings.

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- Definition

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+ References

No definition available.

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- Definition

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

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-Section 50
-Paragraph 33
-URI http://asc.fasb.org/extlink&oid=123577603&loc=SL6953676-111524

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Amount, after troubled debt restructuring, of modified financing receivable.

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- Definition

Amount, before troubled debt restructuring, of financing receivable to be modified.

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- Definition

Number of financing receivable contracts modified as troubled debt restructuring within previous 12 months, with subsequent payment default.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-Section 50
-Paragraph 34
-URI http://asc.fasb.org/extlink&oid=123577603&loc=SL6953682-111524

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Amount of financing receivable modified as troubled debt restructuring within previous 12 months, with subsequent payment default.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-Section 50
-Paragraph 34
-Subparagraph (a)(2)
-URI http://asc.fasb.org/extlink&oid=123577603&loc=SL6953682-111524

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