Loans and Allowance for Credit Losses - Schedule of Non-Accrual Loans (Details) - USD ($) $ in Thousands	Sep. 30, 2022	Dec. 31, 2021
Financing Receivable, Past Due [Line Items]
Non-Accrual Loans With ACL	$ 24,351
Non-Accrual Loans Without ACL	9,603
Total Non-Accrual Loans	33,954	$ 32,993
Financing Receivable, Excluding Accrued Interest, 90 Days or More Past Due, Still Accruing	0	1,990
Commercial Portfolio Segment \| Commercial and industrial
Financing Receivable, Past Due [Line Items]
Non-Accrual Loans With ACL	3,363
Non-Accrual Loans Without ACL	8,910
Total Non-Accrual Loans	12,273	12,400
Financing Receivable, Excluding Accrued Interest, 90 Days or More Past Due, Still Accruing	0	0
Commercial Portfolio Segment \| Commercial real estate
Financing Receivable, Past Due [Line Items]
Non-Accrual Loans With ACL	0
Non-Accrual Loans Without ACL	0
Total Non-Accrual Loans	0	0
Financing Receivable, Excluding Accrued Interest, 90 Days or More Past Due, Still Accruing	0	1,196
Commercial Portfolio Segment \| Commercial construction
Financing Receivable, Past Due [Line Items]
Non-Accrual Loans With ACL	0
Non-Accrual Loans Without ACL	0
Total Non-Accrual Loans	0	0
Financing Receivable, Excluding Accrued Interest, 90 Days or More Past Due, Still Accruing	0	0
Commercial Portfolio Segment \| Business banking
Financing Receivable, Past Due [Line Items]
Non-Accrual Loans With ACL	6,934
Non-Accrual Loans Without ACL	679
Total Non-Accrual Loans	7,613	8,230
Financing Receivable, Excluding Accrued Interest, 90 Days or More Past Due, Still Accruing	0	0
Residential Real Estate \| Residential real estate
Financing Receivable, Past Due [Line Items]
Non-Accrual Loans With ACL	8,513
Non-Accrual Loans Without ACL	0
Total Non-Accrual Loans	8,513	6,681
Financing Receivable, Excluding Accrued Interest, 90 Days or More Past Due, Still Accruing	0	769
Consumer Portfolio Segment \| Consumer home equity
Financing Receivable, Past Due [Line Items]
Non-Accrual Loans With ACL	5,080
Non-Accrual Loans Without ACL	0
Total Non-Accrual Loans	5,080	4,732
Financing Receivable, Excluding Accrued Interest, 90 Days or More Past Due, Still Accruing	0	25
Consumer Portfolio Segment \| Other Consumer
Financing Receivable, Past Due [Line Items]
Non-Accrual Loans With ACL	461
Non-Accrual Loans Without ACL	14
Total Non-Accrual Loans	475	950
Financing Receivable, Excluding Accrued Interest, 90 Days or More Past Due, Still Accruing	$ 0	$ 0

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- Definition

Amortized cost excluding accrued interest, of financing receivable 90 days or more past due and still accruing. 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 16
-Subparagraph (c)
-URI https://asc.fasb.org/extlink&oid=124255953&loc=SL82919258-210447

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- Definition

Amortized cost of financing receivable on nonaccrual status with no allowance for credit loss. 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 16
-Subparagraph (d)
-URI https://asc.fasb.org/extlink&oid=124255953&loc=SL82919258-210447

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+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-Section 50
-Paragraph 7
-Subparagraph (a)
-URI https://asc.fasb.org/extlink&oid=123577603&loc=d3e5111-111524

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 326
-SubTopic 20
-Section 50
-Paragraph 16
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-URI https://asc.fasb.org/extlink&oid=124255953&loc=SL82919258-210447

Reference 3: http://www.xbrl.org/2003/role/disclosureRef
-Publisher SEC
-Name Regulation S-K (SK)
-Number 229
-Section 1405
-Paragraph (a)
-Subparagraph (3)

Reference 4: http://www.xbrl.org/2003/role/disclosureRef
-Publisher SEC
-Name Regulation S-K (SK)
-Number 229
-Section 1405
-Paragraph (a)
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