Loans and Allowance for Credit Losses - Restructured Loans by Type of Concession (Details) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2023 USD ($) loan	Jun. 30, 2022 USD ($) loan	Jun. 30, 2023 USD ($) loan	Jun. 30, 2022 USD ($) loan
Financing Receivable, Troubled Debt Restructuring [Line Items]
Number of Contracts | loan	0	9	0	16
Post-Modification Outstanding Recorded Investment	$ 9,133	$ 427	$ 23,604	$ 1,930
Pre-Modification Outstanding Recorded Investment		432		2,360
Bankruptcy
Financing Receivable, Troubled Debt Restructuring [Line Items]
Post-Modification Outstanding Recorded Investment		288		1,046
Other
Financing Receivable, Troubled Debt Restructuring [Line Items]
Post-Modification Outstanding Recorded Investment		0		0
Extend Maturity
Financing Receivable, Troubled Debt Restructuring [Line Items]
Post-Modification Outstanding Recorded Investment	9,133	139	23,410	884
Modify Rate
Financing Receivable, Troubled Debt Restructuring [Line Items]
Post-Modification Outstanding Recorded Investment		0		0
Modify Payments
Financing Receivable, Troubled Debt Restructuring [Line Items]
Post-Modification Outstanding Recorded Investment		$ 0		$ 0
Commercial real estate | Commercial Loans
Financing Receivable, Troubled Debt Restructuring [Line Items]
Number of Contracts | loan		0		0
Post-Modification Outstanding Recorded Investment	1,286	$ 0	14,932	$ 0
Pre-Modification Outstanding Recorded Investment		0		0
Commercial real estate | Bankruptcy | Commercial Loans
Financing Receivable, Troubled Debt Restructuring [Line Items]
Post-Modification Outstanding Recorded Investment		0		0
Commercial real estate | Other | Commercial Loans
Financing Receivable, Troubled Debt Restructuring [Line Items]
Post-Modification Outstanding Recorded Investment		0		0
Commercial real estate | Extend Maturity | Commercial Loans
Financing Receivable, Troubled Debt Restructuring [Line Items]
Post-Modification Outstanding Recorded Investment	1,286	0	14,932	0
Commercial real estate | Modify Rate | Commercial Loans
Financing Receivable, Troubled Debt Restructuring [Line Items]
Post-Modification Outstanding Recorded Investment		0		0
Commercial real estate | Modify Payments | Commercial Loans
Financing Receivable, Troubled Debt Restructuring [Line Items]
Post-Modification Outstanding Recorded Investment		$ 0		$ 0
Commercial and industrial | Commercial Loans
Financing Receivable, Troubled Debt Restructuring [Line Items]
Number of Contracts | loan		0		0
Post-Modification Outstanding Recorded Investment	5,193	$ 0	5,762	$ 0
Pre-Modification Outstanding Recorded Investment		0		0
Commercial and industrial | Bankruptcy | Commercial Loans
Financing Receivable, Troubled Debt Restructuring [Line Items]
Post-Modification Outstanding Recorded Investment		0		0
Commercial and industrial | Other | Commercial Loans
Financing Receivable, Troubled Debt Restructuring [Line Items]
Post-Modification Outstanding Recorded Investment		0		0
Commercial and industrial | Extend Maturity | Commercial Loans
Financing Receivable, Troubled Debt Restructuring [Line Items]
Post-Modification Outstanding Recorded Investment	5,193	0	5,762	0
Commercial and industrial | Modify Rate | Commercial Loans
Financing Receivable, Troubled Debt Restructuring [Line Items]
Post-Modification Outstanding Recorded Investment		0		0
Commercial and industrial | Modify Payments | Commercial Loans
Financing Receivable, Troubled Debt Restructuring [Line Items]
Post-Modification Outstanding Recorded Investment		$ 0		$ 0
Commercial construction | Commercial Loans
Financing Receivable, Troubled Debt Restructuring [Line Items]
Number of Contracts | loan		0		0
Post-Modification Outstanding Recorded Investment	1,621	$ 0	1,621	$ 0
Pre-Modification Outstanding Recorded Investment		0		0
Commercial construction | Bankruptcy | Commercial Loans
Financing Receivable, Troubled Debt Restructuring [Line Items]
Post-Modification Outstanding Recorded Investment		0		0
Commercial construction | Other | Commercial Loans
Financing Receivable, Troubled Debt Restructuring [Line Items]
Post-Modification Outstanding Recorded Investment		0		0
Commercial construction | Extend Maturity | Commercial Loans
Financing Receivable, Troubled Debt Restructuring [Line Items]
Post-Modification Outstanding Recorded Investment	1,621	0	1,621	0
Commercial construction | Modify Rate | Commercial Loans
Financing Receivable, Troubled Debt Restructuring [Line Items]
Post-Modification Outstanding Recorded Investment		0		0
Commercial construction | Modify Payments | Commercial Loans
Financing Receivable, Troubled Debt Restructuring [Line Items]
Post-Modification Outstanding Recorded Investment		$ 0		$ 0
Business banking | Commercial Loans
Financing Receivable, Troubled Debt Restructuring [Line Items]
Number of Contracts | loan		0		0
Post-Modification Outstanding Recorded Investment		$ 0		$ 0
Pre-Modification Outstanding Recorded Investment		0		0
Business banking | Bankruptcy | Commercial Loans
Financing Receivable, Troubled Debt Restructuring [Line Items]
Post-Modification Outstanding Recorded Investment		0		0
Business banking | Other | Commercial Loans
Financing Receivable, Troubled Debt Restructuring [Line Items]
Post-Modification Outstanding Recorded Investment		0		0
Business banking | Extend Maturity | Commercial Loans
Financing Receivable, Troubled Debt Restructuring [Line Items]
Post-Modification Outstanding Recorded Investment		0		0
Business banking | Modify Rate | Commercial Loans
Financing Receivable, Troubled Debt Restructuring [Line Items]
Post-Modification Outstanding Recorded Investment		0		0
Business banking | Modify Payments | Commercial Loans
Financing Receivable, Troubled Debt Restructuring [Line Items]
Post-Modification Outstanding Recorded Investment		$ 0		$ 0
Consumer real estate | Consumer Loans
Financing Receivable, Troubled Debt Restructuring [Line Items]
Number of Contracts | loan		8		15
Post-Modification Outstanding Recorded Investment	0	$ 425	256	$ 1,927
Pre-Modification Outstanding Recorded Investment		429		2,357
Consumer real estate | Bankruptcy | Consumer Loans
Financing Receivable, Troubled Debt Restructuring [Line Items]
Post-Modification Outstanding Recorded Investment		286		1,043
Consumer real estate | Other | Consumer Loans
Financing Receivable, Troubled Debt Restructuring [Line Items]
Post-Modification Outstanding Recorded Investment		0		0
Consumer real estate | Extend Maturity | Consumer Loans
Financing Receivable, Troubled Debt Restructuring [Line Items]
Post-Modification Outstanding Recorded Investment	$ 0	139	$ 62	884
Consumer real estate | Modify Rate | Consumer Loans
Financing Receivable, Troubled Debt Restructuring [Line Items]
Post-Modification Outstanding Recorded Investment		0		0
Consumer real estate | Modify Payments | Consumer Loans
Financing Receivable, Troubled Debt Restructuring [Line Items]
Post-Modification Outstanding Recorded Investment		$ 0		$ 0
Other consumer | Consumer Loans
Financing Receivable, Troubled Debt Restructuring [Line Items]
Number of Contracts | loan		1		1
Post-Modification Outstanding Recorded Investment		$ 2		$ 3
Pre-Modification Outstanding Recorded Investment		3		3
Other consumer | Bankruptcy | Consumer Loans
Financing Receivable, Troubled Debt Restructuring [Line Items]
Post-Modification Outstanding Recorded Investment		2		3
Other consumer | Other | Consumer Loans
Financing Receivable, Troubled Debt Restructuring [Line Items]
Post-Modification Outstanding Recorded Investment		0		0
Other consumer | Extend Maturity | Consumer Loans
Financing Receivable, Troubled Debt Restructuring [Line Items]
Post-Modification Outstanding Recorded Investment		0		0
Other consumer | Modify Rate | Consumer Loans
Financing Receivable, Troubled Debt Restructuring [Line Items]
Post-Modification Outstanding Recorded Investment		0		0
Other consumer | Modify Payments | Consumer Loans
Financing Receivable, Troubled Debt Restructuring [Line Items]
Post-Modification Outstanding Recorded Investment		$ 0		$ 0