Loans and Allowance for Credit Losses - Loans - ACL Loans by Portfolio Segment (Details) - USD ($) $ in Thousands	3 Months Ended
Mar. 31, 2023	Mar. 31, 2022
Financing Receivable, Allowance for Credit Loss [Roll Forward]
Allowance for loan losses, beginning balance	$ 18,957	$ 14,597
Charge-offs	(150)	(57)
Recoveries	37	107
Net loans (charged off) recovered	(113)
Provisions	490	500
Allowance for loan losses, ending balance	31,265	15,147
Cumulative Effect, Period of Adoption, Adjustment
Financing Receivable, Allowance for Credit Loss [Roll Forward]
Allowance for loan losses, beginning balance	11,931
Commercial portfolio \| Commercial real estate (1)
Financing Receivable, Allowance for Credit Loss [Roll Forward]
Allowance for loan losses, beginning balance	13,142	9,415
Charge-offs	(16)	0
Recoveries	0	65
Net loans (charged off) recovered	(16)
Provisions	(102)	511
Allowance for loan losses, ending balance	13,312	9,991
Commercial portfolio \| Commercial real estate (1) \| Cumulative Effect, Period of Adoption, Adjustment
Financing Receivable, Allowance for Credit Loss [Roll Forward]
Allowance for loan losses, beginning balance	288
Commercial portfolio \| Commercial and industrial
Financing Receivable, Allowance for Credit Loss [Roll Forward]
Allowance for loan losses, beginning balance	4,593	3,439
Charge-offs	(111)	0
Recoveries	0	13
Net loans (charged off) recovered	(111)
Provisions	187	359
Allowance for loan losses, ending balance	11,269	3,811
Commercial portfolio \| Commercial and industrial \| Cumulative Effect, Period of Adoption, Adjustment
Financing Receivable, Allowance for Credit Loss [Roll Forward]
Allowance for loan losses, beginning balance	6,600
Commercial portfolio \| Construction
Financing Receivable, Allowance for Credit Loss [Roll Forward]
Allowance for loan losses, beginning balance	0	38
Charge-offs	0	0
Recoveries	0	24
Net loans (charged off) recovered	0
Provisions	430	(21)
Allowance for loan losses, ending balance	3,631	41
Commercial portfolio \| Construction \| Cumulative Effect, Period of Adoption, Adjustment
Financing Receivable, Allowance for Credit Loss [Roll Forward]
Allowance for loan losses, beginning balance	3,201
Consumer Portfolio Segment \| Residential mortgage
Financing Receivable, Allowance for Credit Loss [Roll Forward]
Allowance for loan losses, beginning balance	1,319	1,019
Charge-offs	(4)	0
Recoveries	30	1
Net loans (charged off) recovered	26
Provisions	(33)	25
Allowance for loan losses, ending balance	2,874	1,045
Consumer Portfolio Segment \| Residential mortgage \| Cumulative Effect, Period of Adoption, Adjustment
Financing Receivable, Allowance for Credit Loss [Roll Forward]
Allowance for loan losses, beginning balance	1,562
Consumer Portfolio Segment \| Consumer
Financing Receivable, Allowance for Credit Loss [Roll Forward]
Allowance for loan losses, beginning balance	29	2
Charge-offs	(19)	(57)
Recoveries	7	4
Net loans (charged off) recovered	(12)
Provisions	8	53
Allowance for loan losses, ending balance	179	2
Consumer Portfolio Segment \| Consumer \| Cumulative Effect, Period of Adoption, Adjustment
Financing Receivable, Allowance for Credit Loss [Roll Forward]
Allowance for loan losses, beginning balance	154
Unallocated
Financing Receivable, Allowance for Credit Loss [Roll Forward]
Allowance for loan losses, beginning balance	(126)	684
Charge-offs	0	0
Recoveries	0	0
Net loans (charged off) recovered	0
Provisions	0	(427)
Allowance for loan losses, ending balance	0	$ 257
Unallocated \| Cumulative Effect, Period of Adoption, Adjustment
Financing Receivable, Allowance for Credit Loss [Roll Forward]
Allowance for loan losses, beginning balance	$ 126

Financing Receivable, Excluding Accrued Interest, Allowance for Credit Loss, Net Writeoff (Recovery)

No definition available.

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- Definition

Amount excluding accrued interest, of allowance for credit loss on financing receivable. Excludes net investment in lease.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 326
-SubTopic 20
-Section 45
-Paragraph 1
-URI https://asc.fasb.org/extlink&oid=124255206&loc=SL82895884-210446

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- Definition

A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period.

+ References

No definition available.

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- Definition

Amount, excluding accrued interest, of increase in allowance for credit loss on financing receivable from recovery. Excludes net investment in lease.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 326
-SubTopic 20
-Section 50
-Paragraph 13
-Subparagraph (e)
-URI https://asc.fasb.org/extlink&oid=124255953&loc=SL82919249-210447

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- Definition

Amount, excluding accrued interest, of decrease in allowance for credit loss on financing receivable from writeoff. Excludes net investment in lease.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 326
-SubTopic 20
-Section 50
-Paragraph 13
-Subparagraph (d)
-URI https://asc.fasb.org/extlink&oid=124255953&loc=SL82919249-210447

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- Definition

Amount, excluding accrued interest, of credit loss expense (reversal of expense) on financing receivable. Excludes net investment in lease.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 326
-SubTopic 20
-Section 50
-Paragraph 13
-Subparagraph (b)
-URI https://asc.fasb.org/extlink&oid=124255953&loc=SL82919249-210447

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