Loans and Allowance for Credit Losses - Schedule of Financing Receivable, Nonaccrual (Details) - USD ($) $ in Thousands	Mar. 31, 2024	Dec. 31, 2023
Financing Receivable, Past Due [Line Items]
Non-Accrual Loans With ACL	$ 41,033	$ 35,995
Non-Accrual Loans Without ACL	16,140	16,562
Total Nonaccrual Loans	57,173	52,557
Commercial Portfolio Segment \| Commercial and industrial
Financing Receivable, Past Due [Line Items]
Non-Accrual Loans With ACL	4	4
Non-Accrual Loans Without ACL	465	464
Total Nonaccrual Loans	469	468
Commercial Portfolio Segment \| Commercial real estate
Financing Receivable, Past Due [Line Items]
Non-Accrual Loans With ACL	21,646	13,969
Non-Accrual Loans Without ACL	15,667	16,087
Total Nonaccrual Loans	37,313	30,056
Commercial Portfolio Segment \| Commercial construction
Financing Receivable, Past Due [Line Items]
Non-Accrual Loans With ACL	0	0
Non-Accrual Loans Without ACL	0	0
Total Nonaccrual Loans	0	0
Commercial Portfolio Segment \| Business banking
Financing Receivable, Past Due [Line Items]
Non-Accrual Loans With ACL	3,196	4,572
Non-Accrual Loans Without ACL	8	11
Total Nonaccrual Loans	3,204	4,583
Residential Real Estate \| Residential real estate
Financing Receivable, Past Due [Line Items]
Non-Accrual Loans With ACL	6,697	8,725
Non-Accrual Loans Without ACL	0	0
Total Nonaccrual Loans	6,697	8,725
Consumer Portfolio Segment \| Consumer home equity
Financing Receivable, Past Due [Line Items]
Non-Accrual Loans With ACL	9,268	8,532
Non-Accrual Loans Without ACL	0	0
Total Nonaccrual Loans	9,268	8,532
Consumer Portfolio Segment \| Other Consumer
Financing Receivable, Past Due [Line Items]
Non-Accrual Loans With ACL	222	193
Non-Accrual Loans Without ACL	0	0
Total Nonaccrual Loans	$ 222	$ 193

Financing Receivable, Nonaccrual, With Allowance

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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

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-Topic 326
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-Name Accounting Standards Codification
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Amortized cost of financing receivable on nonaccrual status. Excludes net investment in lease.

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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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