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Loans and Leases Receivable and Allowance for Credit Losses on Loans and Leases - Loan Modifications for Borrowers Experiencing Financial Difficulty (Details) $ in Thousands	3 Months Ended	12 Months Ended
	Dec. 31, 2023 USD ($)	Dec. 31, 2023 USD ($)
Financing Receivable, Troubled Debt Restructuring [Line Items]
Amortized cost of loans		$ 31,221
Loan modifications	$ 31,221	31,221
30-59 Days past due
Financing Receivable, Troubled Debt Restructuring [Line Items]
Loan modifications	1,051	1,051
60-89 Days past due
Financing Receivable, Troubled Debt Restructuring [Line Items]
Loan modifications	816	816
90 Days or more past due
Financing Receivable, Troubled Debt Restructuring [Line Items]
Loan modifications	687	687
Current
Financing Receivable, Troubled Debt Restructuring [Line Items]
Loan modifications	$ 28,667	28,667
Term Extension
Financing Receivable, Troubled Debt Restructuring [Line Items]
Amortized cost of loans		14,698
Payment Deferral
Financing Receivable, Troubled Debt Restructuring [Line Items]
Amortized cost of loans		15,547
Debt Forgiveness
Financing Receivable, Troubled Debt Restructuring [Line Items]
Amortized cost of loans		312
Interest Rate Reduction and Term Extension
Financing Receivable, Troubled Debt Restructuring [Line Items]
Amortized cost of loans		664
Commercial and industrial, including specialty lending
Financing Receivable, Troubled Debt Restructuring [Line Items]
Amortized cost of loans		$ 15,041
Percentage of Total by Financing Class		0.24%
Interest Rate Reduction (%)	0
Debt Forgiven	$ 0
Loan modifications	15,041	$ 15,041
Commercial and industrial, including specialty lending | 30-59 Days past due
Financing Receivable, Troubled Debt Restructuring [Line Items]
Loan modifications	0	0
Commercial and industrial, including specialty lending | 60-89 Days past due
Financing Receivable, Troubled Debt Restructuring [Line Items]
Loan modifications	0	0
Commercial and industrial, including specialty lending | 90 Days or more past due
Financing Receivable, Troubled Debt Restructuring [Line Items]
Loan modifications	0	0
Commercial and industrial, including specialty lending | Current
Financing Receivable, Troubled Debt Restructuring [Line Items]
Loan modifications	$ 15,041	15,041
Commercial and industrial, including specialty lending | Term Extension
Financing Receivable, Troubled Debt Restructuring [Line Items]
Amortized cost of loans		250
Term Extension and Payment Deferral (in months)	56 months
Commercial and industrial, including specialty lending | Payment Deferral
Financing Receivable, Troubled Debt Restructuring [Line Items]
Amortized cost of loans		14,791
Term Extension and Payment Deferral (in months)	10 months
Commercial and industrial, including specialty lending | Debt Forgiveness
Financing Receivable, Troubled Debt Restructuring [Line Items]
Amortized cost of loans		0
Commercial and industrial, including specialty lending | Interest Rate Reduction and Term Extension
Financing Receivable, Troubled Debt Restructuring [Line Items]
Amortized cost of loans		0
Commercial real estate owner occupied
Financing Receivable, Troubled Debt Restructuring [Line Items]
Amortized cost of loans		$ 169
Percentage of Total by Financing Class		0.02%
Interest Rate Reduction (%)	0
Debt Forgiven	$ 0
Loan modifications	169	$ 169
Commercial real estate owner occupied | 30-59 Days past due
Financing Receivable, Troubled Debt Restructuring [Line Items]
Loan modifications	0	0
Commercial real estate owner occupied | 60-89 Days past due
Financing Receivable, Troubled Debt Restructuring [Line Items]
Loan modifications	0	0
Commercial real estate owner occupied | 90 Days or more past due
Financing Receivable, Troubled Debt Restructuring [Line Items]
Loan modifications	169	169
Commercial real estate owner occupied | Current
Financing Receivable, Troubled Debt Restructuring [Line Items]
Loan modifications	$ 0	0
Commercial real estate owner occupied | Term Extension
Financing Receivable, Troubled Debt Restructuring [Line Items]
Amortized cost of loans		169
Term Extension and Payment Deferral (in months)	4 months
Commercial real estate owner occupied | Payment Deferral
Financing Receivable, Troubled Debt Restructuring [Line Items]
Amortized cost of loans		0
Term Extension and Payment Deferral (in months)	0 months
Commercial real estate owner occupied | Debt Forgiveness
Financing Receivable, Troubled Debt Restructuring [Line Items]
Amortized cost of loans		0
Commercial real estate owner occupied | Interest Rate Reduction and Term Extension
Financing Receivable, Troubled Debt Restructuring [Line Items]
Amortized cost of loans		0
Residential real estate
Financing Receivable, Troubled Debt Restructuring [Line Items]
Amortized cost of loans		$ 46
Percentage of Total by Financing Class		0.01%
Interest Rate Reduction (%)	0
Debt Forgiven	$ 0
Loan modifications	46	$ 46
Residential real estate | 30-59 Days past due
Financing Receivable, Troubled Debt Restructuring [Line Items]
Loan modifications	0	0
Residential real estate | 60-89 Days past due
Financing Receivable, Troubled Debt Restructuring [Line Items]
Loan modifications	0	0
Residential real estate | 90 Days or more past due
Financing Receivable, Troubled Debt Restructuring [Line Items]
Loan modifications	0	0
Residential real estate | Current
Financing Receivable, Troubled Debt Restructuring [Line Items]
Loan modifications	$ 46	46
Residential real estate | Term Extension
Financing Receivable, Troubled Debt Restructuring [Line Items]
Amortized cost of loans		46
Term Extension and Payment Deferral (in months)	228 months
Residential real estate | Payment Deferral
Financing Receivable, Troubled Debt Restructuring [Line Items]
Amortized cost of loans		0
Term Extension and Payment Deferral (in months)	0 months
Residential real estate | Debt Forgiveness
Financing Receivable, Troubled Debt Restructuring [Line Items]
Amortized cost of loans		0
Residential real estate | Interest Rate Reduction and Term Extension
Financing Receivable, Troubled Debt Restructuring [Line Items]
Amortized cost of loans		0
Manufactured housing
Financing Receivable, Troubled Debt Restructuring [Line Items]
Amortized cost of loans		$ 822
Percentage of Total by Financing Class		2.13%
Interest Rate Reduction (%)	0.025
Debt Forgiven	$ 0
Loan modifications	822	$ 822
Manufactured housing | 30-59 Days past due
Financing Receivable, Troubled Debt Restructuring [Line Items]
Loan modifications	51	51
Manufactured housing | 60-89 Days past due
Financing Receivable, Troubled Debt Restructuring [Line Items]
Loan modifications	31	31
Manufactured housing | 90 Days or more past due
Financing Receivable, Troubled Debt Restructuring [Line Items]
Loan modifications	0	0
Manufactured housing | Current
Financing Receivable, Troubled Debt Restructuring [Line Items]
Loan modifications	$ 740	740
Manufactured housing | Term Extension
Financing Receivable, Troubled Debt Restructuring [Line Items]
Amortized cost of loans		158
Term Extension and Payment Deferral (in months)	56 months
Manufactured housing | Payment Deferral
Financing Receivable, Troubled Debt Restructuring [Line Items]
Amortized cost of loans		0
Term Extension and Payment Deferral (in months)	0 months
Manufactured housing | Debt Forgiveness
Financing Receivable, Troubled Debt Restructuring [Line Items]
Amortized cost of loans		0
Manufactured housing | Interest Rate Reduction and Term Extension
Financing Receivable, Troubled Debt Restructuring [Line Items]
Amortized cost of loans		664
Personal installment
Financing Receivable, Troubled Debt Restructuring [Line Items]
Amortized cost of loans		$ 15,143
Percentage of Total by Financing Class		2.73%
Interest Rate Reduction (%)	0
Debt Forgiven	$ 462
Loan modifications	15,143	$ 15,143
Personal installment | 30-59 Days past due
Financing Receivable, Troubled Debt Restructuring [Line Items]
Loan modifications	1,000	1,000
Personal installment | 60-89 Days past due
Financing Receivable, Troubled Debt Restructuring [Line Items]
Loan modifications	785	785
Personal installment | 90 Days or more past due
Financing Receivable, Troubled Debt Restructuring [Line Items]
Loan modifications	518	518
Personal installment | Current
Financing Receivable, Troubled Debt Restructuring [Line Items]
Loan modifications	$ 12,840	12,840
Personal installment | Term Extension
Financing Receivable, Troubled Debt Restructuring [Line Items]
Amortized cost of loans		14,075
Term Extension and Payment Deferral (in months)	5 months
Personal installment | Payment Deferral
Financing Receivable, Troubled Debt Restructuring [Line Items]
Amortized cost of loans		756
Term Extension and Payment Deferral (in months)	6 months
Personal installment | Debt Forgiveness
Financing Receivable, Troubled Debt Restructuring [Line Items]
Amortized cost of loans		312
Personal installment | Interest Rate Reduction and Term Extension
Financing Receivable, Troubled Debt Restructuring [Line Items]
Amortized cost of loans		$ 0

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