Loans and Allowance for Credit Losses - Amortized Cost of Loans to Borrowers, Modified (Details) - USD ($) $ in Thousands	12 Months Ended
Dec. 31, 2024	Dec. 31, 2023
Financing Receivable, Troubled Debt Restructuring [Line Items]
Financing receivable, modified in period	$ 25,883	$ 31,083
% of Portfolio Segment	0.33%	0.41%
Term Extension
Financing Receivable, Troubled Debt Restructuring [Line Items]
Financing receivable, modified in period	$ 12,934	$ 30,894
Term Extension and Interest Rate Reduction
Financing Receivable, Troubled Debt Restructuring [Line Items]
Financing receivable, modified in period	685	189
Payment Delays (Other Than Insignificant)
Financing Receivable, Troubled Debt Restructuring [Line Items]
Financing receivable, modified in period	12,264	0
Commercial Loans \| Commercial real estate
Financing Receivable, Troubled Debt Restructuring [Line Items]
Financing receivable, modified in period	$ 3,689	$ 13,836
% of Portfolio Segment	0.14%	0.52%
Commercial Loans \| Commercial real estate \| Term Extension
Financing Receivable, Troubled Debt Restructuring [Line Items]
Financing receivable, modified in period	$ 3,004	$ 13,836
Commercial Loans \| Commercial real estate \| Term Extension and Interest Rate Reduction
Financing Receivable, Troubled Debt Restructuring [Line Items]
Financing receivable, modified in period	685	0
Commercial Loans \| Commercial real estate \| Payment Delays (Other Than Insignificant)
Financing Receivable, Troubled Debt Restructuring [Line Items]
Financing receivable, modified in period	0	0
Commercial Loans \| Commercial and industrial
Financing Receivable, Troubled Debt Restructuring [Line Items]
Financing receivable, modified in period	$ 21,701	$ 16,877
% of Portfolio Segment	1.61%	1.18%
Commercial Loans \| Commercial and industrial \| Term Extension
Financing Receivable, Troubled Debt Restructuring [Line Items]
Financing receivable, modified in period	$ 9,437	$ 16,877
Commercial Loans \| Commercial and industrial \| Term Extension and Interest Rate Reduction
Financing Receivable, Troubled Debt Restructuring [Line Items]
Financing receivable, modified in period	0	0
Commercial Loans \| Commercial and industrial \| Payment Delays (Other Than Insignificant)
Financing Receivable, Troubled Debt Restructuring [Line Items]
Financing receivable, modified in period	12,264	0
Commercial Loans \| Consumer real estate \| Payment Delays (Other Than Insignificant)
Financing Receivable, Troubled Debt Restructuring [Line Items]
Financing receivable, modified in period		0
Commercial Loans \| Business banking \| Payment Delays (Other Than Insignificant)
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
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	$ 493	$ 250
% of Portfolio Segment	0.03%	0.01%
Consumer Loans \| Consumer real estate \| Term Extension
Financing Receivable, Troubled Debt Restructuring [Line Items]
Financing receivable, modified in period	$ 493	$ 61
Consumer Loans \| Consumer real estate \| Term Extension and Interest Rate Reduction
Financing Receivable, Troubled Debt Restructuring [Line Items]
Financing receivable, modified in period	0	$ 189
Consumer Loans \| Consumer real estate \| Payment Delays (Other Than Insignificant)
Financing Receivable, Troubled Debt Restructuring [Line Items]
Financing receivable, modified in period	$ 0

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

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 310
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 42
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