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Loans and Allowance for Credit Losses - Restructured Loans by Type of Concession (Details) $ in Thousands	3 Months Ended
	Mar. 31, 2022 USD ($) loan
Financing Receivable, Troubled Debt Restructuring [Line Items]
Number of Contracts | loan	7
Pre-Modification Outstanding Recorded Investment	$ 1,928
Post-Modification Outstanding Recorded Investment	1,878
Bankruptcy
Financing Receivable, Troubled Debt Restructuring [Line Items]
Pre-Modification Outstanding Recorded Investment	766
Other
Financing Receivable, Troubled Debt Restructuring [Line Items]
Pre-Modification Outstanding Recorded Investment	0
Term Extension
Financing Receivable, Troubled Debt Restructuring [Line Items]
Pre-Modification Outstanding Recorded Investment	1,112
Modify Rate
Financing Receivable, Troubled Debt Restructuring [Line Items]
Pre-Modification Outstanding Recorded Investment	0
Modify Payments
Financing Receivable, Troubled Debt Restructuring [Line Items]
Pre-Modification Outstanding Recorded Investment	$ 0
Commercial real estate | Commercial Loans
Financing Receivable, Troubled Debt Restructuring [Line Items]
Number of Contracts | loan	0
Pre-Modification Outstanding Recorded Investment	$ 0
Post-Modification Outstanding Recorded Investment	0
Commercial real estate | Bankruptcy | Commercial Loans
Financing Receivable, Troubled Debt Restructuring [Line Items]
Pre-Modification Outstanding Recorded Investment	0
Commercial real estate | Other | Commercial Loans
Financing Receivable, Troubled Debt Restructuring [Line Items]
Pre-Modification Outstanding Recorded Investment	0
Commercial real estate | Term Extension | Commercial Loans
Financing Receivable, Troubled Debt Restructuring [Line Items]
Pre-Modification Outstanding Recorded Investment	0
Commercial real estate | Modify Rate | Commercial Loans
Financing Receivable, Troubled Debt Restructuring [Line Items]
Pre-Modification Outstanding Recorded Investment	0
Commercial real estate | Modify Payments | Commercial Loans
Financing Receivable, Troubled Debt Restructuring [Line Items]
Pre-Modification Outstanding Recorded Investment	$ 0
Commercial and industrial | Commercial Loans
Financing Receivable, Troubled Debt Restructuring [Line Items]
Number of Contracts | loan	0
Pre-Modification Outstanding Recorded Investment	$ 0
Post-Modification Outstanding Recorded Investment	0
Commercial and industrial | Bankruptcy | Commercial Loans
Financing Receivable, Troubled Debt Restructuring [Line Items]
Pre-Modification Outstanding Recorded Investment	0
Commercial and industrial | Other | Commercial Loans
Financing Receivable, Troubled Debt Restructuring [Line Items]
Pre-Modification Outstanding Recorded Investment	0
Commercial and industrial | Term Extension | Commercial Loans
Financing Receivable, Troubled Debt Restructuring [Line Items]
Pre-Modification Outstanding Recorded Investment	0
Commercial and industrial | Modify Rate | Commercial Loans
Financing Receivable, Troubled Debt Restructuring [Line Items]
Pre-Modification Outstanding Recorded Investment	0
Commercial and industrial | Modify Payments | Commercial Loans
Financing Receivable, Troubled Debt Restructuring [Line Items]
Pre-Modification Outstanding Recorded Investment	$ 0
Commercial construction | Commercial Loans
Financing Receivable, Troubled Debt Restructuring [Line Items]
Number of Contracts | loan	0
Pre-Modification Outstanding Recorded Investment	$ 0
Post-Modification Outstanding Recorded Investment	0
Commercial construction | Bankruptcy | Commercial Loans
Financing Receivable, Troubled Debt Restructuring [Line Items]
Pre-Modification Outstanding Recorded Investment	0
Commercial construction | Other | Commercial Loans
Financing Receivable, Troubled Debt Restructuring [Line Items]
Pre-Modification Outstanding Recorded Investment	0
Commercial construction | Term Extension | Commercial Loans
Financing Receivable, Troubled Debt Restructuring [Line Items]
Pre-Modification Outstanding Recorded Investment	0
Commercial construction | Modify Rate | Commercial Loans
Financing Receivable, Troubled Debt Restructuring [Line Items]
Pre-Modification Outstanding Recorded Investment	0
Commercial construction | Modify Payments | Commercial Loans
Financing Receivable, Troubled Debt Restructuring [Line Items]
Pre-Modification Outstanding Recorded Investment	$ 0
Business banking | Commercial Loans
Financing Receivable, Troubled Debt Restructuring [Line Items]
Number of Contracts | loan	0
Pre-Modification Outstanding Recorded Investment	$ 0
Post-Modification Outstanding Recorded Investment	0
Business banking | Bankruptcy | Commercial Loans
Financing Receivable, Troubled Debt Restructuring [Line Items]
Pre-Modification Outstanding Recorded Investment	0
Business banking | Other | Commercial Loans
Financing Receivable, Troubled Debt Restructuring [Line Items]
Pre-Modification Outstanding Recorded Investment	0
Business banking | Term Extension | Commercial Loans
Financing Receivable, Troubled Debt Restructuring [Line Items]
Pre-Modification Outstanding Recorded Investment	0
Business banking | Modify Rate | Commercial Loans
Financing Receivable, Troubled Debt Restructuring [Line Items]
Pre-Modification Outstanding Recorded Investment	0
Business banking | Modify Payments | Commercial Loans
Financing Receivable, Troubled Debt Restructuring [Line Items]
Pre-Modification Outstanding Recorded Investment	$ 0
Consumer real estate | Consumer Loans
Financing Receivable, Troubled Debt Restructuring [Line Items]
Number of Contracts | loan	7
Pre-Modification Outstanding Recorded Investment	$ 1,928
Post-Modification Outstanding Recorded Investment	1,878
Consumer real estate | Bankruptcy | Consumer Loans
Financing Receivable, Troubled Debt Restructuring [Line Items]
Pre-Modification Outstanding Recorded Investment	766
Consumer real estate | Other | Consumer Loans
Financing Receivable, Troubled Debt Restructuring [Line Items]
Pre-Modification Outstanding Recorded Investment	0
Consumer real estate | Term Extension | Consumer Loans
Financing Receivable, Troubled Debt Restructuring [Line Items]
Pre-Modification Outstanding Recorded Investment	1,112
Consumer real estate | Modify Rate | Consumer Loans
Financing Receivable, Troubled Debt Restructuring [Line Items]
Pre-Modification Outstanding Recorded Investment	0
Consumer real estate | Modify Payments | Consumer Loans
Financing Receivable, Troubled Debt Restructuring [Line Items]
Pre-Modification Outstanding Recorded Investment	$ 0
Other consumer | Consumer Loans
Financing Receivable, Troubled Debt Restructuring [Line Items]
Number of Contracts | loan	0
Pre-Modification Outstanding Recorded Investment	$ 0
Post-Modification Outstanding Recorded Investment	0
Other consumer | Bankruptcy | Consumer Loans
Financing Receivable, Troubled Debt Restructuring [Line Items]
Pre-Modification Outstanding Recorded Investment	0
Other consumer | Other | Consumer Loans
Financing Receivable, Troubled Debt Restructuring [Line Items]
Pre-Modification Outstanding Recorded Investment	0
Other consumer | Term Extension | Consumer Loans
Financing Receivable, Troubled Debt Restructuring [Line Items]
Pre-Modification Outstanding Recorded Investment	0
Other consumer | Modify Rate | Consumer Loans
Financing Receivable, Troubled Debt Restructuring [Line Items]
Pre-Modification Outstanding Recorded Investment	0
Other consumer | Modify Payments | Consumer Loans
Financing Receivable, Troubled Debt Restructuring [Line Items]
Pre-Modification Outstanding Recorded Investment	$ 0

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