Loans and Allowance for Credit Losses - Amortized Cost of Loans to Borrowers, Modified (Details) - USD ($) $ in Thousands	12 Months Ended
Dec. 31, 2023	Dec. 31, 2022
Financing Receivable, Troubled Debt Restructuring [Line Items]
Financing receivable, modified in period	$ 31,083	$ 2,211
% of Portfolio Segment	0.41%
Term Extension (2)
Financing Receivable, Troubled Debt Restructuring [Line Items]
Financing receivable, modified in period	$ 30,894	610
Term Extension and Interest Rate Reduction
Financing Receivable, Troubled Debt Restructuring [Line Items]
Financing receivable, modified in period	189
Commercial Loans \| Commercial real estate
Financing Receivable, Troubled Debt Restructuring [Line Items]
Financing receivable, modified in period	$ 13,836	0
% of Portfolio Segment	0.52%
Commercial Loans \| Commercial real estate \| Term Extension (2)
Financing Receivable, Troubled Debt Restructuring [Line Items]
Financing receivable, modified in period	$ 13,836	0
Commercial Loans \| Commercial real estate \| Term Extension and Interest Rate Reduction
Financing Receivable, Troubled Debt Restructuring [Line Items]
Financing receivable, modified in period	0
Commercial Loans \| Commercial and industrial
Financing Receivable, Troubled Debt Restructuring [Line Items]
Financing receivable, modified in period	$ 16,877	0
% of Portfolio Segment	1.18%
Commercial Loans \| Commercial and industrial \| Term Extension (2)
Financing Receivable, Troubled Debt Restructuring [Line Items]
Financing receivable, modified in period	$ 16,877	0
Commercial Loans \| Commercial and industrial \| Term Extension and Interest Rate Reduction
Financing Receivable, Troubled Debt Restructuring [Line Items]
Financing receivable, modified in period	0
Commercial Loans \| Commercial construction
Financing Receivable, Troubled Debt Restructuring [Line Items]
Financing receivable, modified in period	$ 0	0
% of Portfolio Segment	0.00%
Commercial Loans \| Commercial construction \| Term Extension (2)
Financing Receivable, Troubled Debt Restructuring [Line Items]
Financing receivable, modified in period	$ 0	0
Commercial Loans \| Commercial construction \| Term Extension and Interest Rate Reduction
Financing Receivable, Troubled Debt Restructuring [Line Items]
Financing receivable, modified in period	0
Business Banking
Financing Receivable, Troubled Debt Restructuring [Line Items]
Financing receivable, modified in period	$ 120
% of Portfolio Segment	0.01%
Business Banking \| Term Extension (2)
Financing Receivable, Troubled Debt Restructuring [Line Items]
Financing receivable, modified in period	$ 120
Business Banking \| Term Extension and Interest Rate Reduction
Financing Receivable, Troubled Debt Restructuring [Line Items]
Financing receivable, modified in period	0
Consumer Loans \| Consumer real estate
Financing Receivable, Troubled Debt Restructuring [Line Items]
Financing receivable, modified in period	$ 250	2,046
% of Portfolio Segment	0.01%
Consumer Loans \| Consumer real estate \| Term Extension (2)
Financing Receivable, Troubled Debt Restructuring [Line Items]
Financing receivable, modified in period	$ 61	$ 610
Consumer Loans \| Consumer real estate \| Term Extension and Interest Rate Reduction
Financing Receivable, Troubled Debt Restructuring [Line Items]
Financing receivable, modified in period	$ 189

Amortized cost excluding accrued interest, of financing receivable modified during period for debtor experiencing financial difficulty.

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+ References

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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.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 310
-SubTopic 10
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-Section 50
-Paragraph 42
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Reference 2: http://www.xbrl.org/2003/role/disclosureRef
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-Section 50
-Paragraph 42
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Reference 3: http://www.xbrl.org/2003/role/exampleRef
-Topic 310
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-Name Accounting Standards Codification
-Section 55
-Paragraph 12A
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147481933/310-10-55-12A

Reference 4: http://www.xbrl.org/2003/role/disclosureRef
-Topic 310
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 33
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147481962/310-10-50-33

Reference 5: http://www.xbrl.org/2003/role/disclosureRef
-Topic 310
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 34
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147481962/310-10-50-34

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