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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	6 Months Ended
	Jun. 30, 2023 USD ($)	Jun. 30, 2023 USD ($)
Financing Receivable, Troubled Debt Restructuring [Line Items]
Amortized cost of loans	$ 4,184	$ 9,288
Loan modifications	9,288	9,288
30-59 Days past due
Financing Receivable, Troubled Debt Restructuring [Line Items]
Loan modifications	492	492
60-89 Days past due
Financing Receivable, Troubled Debt Restructuring [Line Items]
Loan modifications	459	459
90 Days or more past due
Financing Receivable, Troubled Debt Restructuring [Line Items]
Loan modifications	401	401
Current
Financing Receivable, Troubled Debt Restructuring [Line Items]
Loan modifications	7,936	7,936
Term Extension
Financing Receivable, Troubled Debt Restructuring [Line Items]
Amortized cost of loans	3,592	8,464
Payment Deferral
Financing Receivable, Troubled Debt Restructuring [Line Items]
Amortized cost of loans	180	269
Debt Forgiveness
Financing Receivable, Troubled Debt Restructuring [Line Items]
Amortized cost of loans	183	264
Interest Rate Reduction and Term Extension
Financing Receivable, Troubled Debt Restructuring [Line Items]
Amortized cost of loans	229	291
Commercial and industrial, including specialty lending
Financing Receivable, Troubled Debt Restructuring [Line Items]
Amortized cost of loans		$ 169
Percentage of Total by Financing Class		0.00%
Interest Rate Reduction (%)		0
Debt Forgiven		$ 0
Loan modifications	169	169
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	169	169
Commercial and industrial, including specialty lending | Current
Financing Receivable, Troubled Debt Restructuring [Line Items]
Loan modifications	0	0
Commercial and industrial, including specialty lending | Term Extension
Financing Receivable, Troubled Debt Restructuring [Line Items]
Amortized cost of loans		$ 169
Term Extension and Payment Deferral (in months)		4 months
Commercial and industrial, including specialty lending | Payment Deferral
Financing Receivable, Troubled Debt Restructuring [Line Items]
Amortized cost of loans		$ 0
Term Extension and Payment Deferral (in months)		0 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
Manufactured housing
Financing Receivable, Troubled Debt Restructuring [Line Items]
Amortized cost of loans	$ 281	$ 350
Percentage of Total by Financing Class	0.67%	0.84%
Interest Rate Reduction (%)	0.035	0.029
Debt Forgiven	$ 0	$ 0
Loan modifications	350	350
Manufactured housing | 30-59 Days past due
Financing Receivable, Troubled Debt Restructuring [Line Items]
Loan modifications	0	0
Manufactured housing | 60-89 Days past due
Financing Receivable, Troubled Debt Restructuring [Line Items]
Loan modifications	0	0
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	350	350
Manufactured housing | Term Extension
Financing Receivable, Troubled Debt Restructuring [Line Items]
Amortized cost of loans	$ 52	$ 59
Term Extension and Payment Deferral (in months)	47 months	49 months
Manufactured housing | Payment Deferral
Financing Receivable, Troubled Debt Restructuring [Line Items]
Amortized cost of loans	$ 0	$ 0
Term Extension and Payment Deferral (in months)	0 months	0 months
Manufactured housing | Debt Forgiveness
Financing Receivable, Troubled Debt Restructuring [Line Items]
Amortized cost of loans	$ 0	$ 0
Manufactured housing | Interest Rate Reduction and Term Extension
Financing Receivable, Troubled Debt Restructuring [Line Items]
Amortized cost of loans	229	291
Personal installment
Financing Receivable, Troubled Debt Restructuring [Line Items]
Amortized cost of loans	$ 3,903	$ 8,600
Percentage of Total by Financing Class	0.52%	1.14%
Interest Rate Reduction (%)	0	0
Debt Forgiven	$ 100	$ 166
Loan modifications	8,600	8,600
Personal installment | 30-59 Days past due
Financing Receivable, Troubled Debt Restructuring [Line Items]
Loan modifications	492	492
Personal installment | 60-89 Days past due
Financing Receivable, Troubled Debt Restructuring [Line Items]
Loan modifications	459	459
Personal installment | 90 Days or more past due
Financing Receivable, Troubled Debt Restructuring [Line Items]
Loan modifications	63	63
Personal installment | Current
Financing Receivable, Troubled Debt Restructuring [Line Items]
Loan modifications	7,586	7,586
Personal installment | Term Extension
Financing Receivable, Troubled Debt Restructuring [Line Items]
Amortized cost of loans	$ 3,540	$ 8,067
Term Extension and Payment Deferral (in months)	5 months	5 months
Personal installment | Payment Deferral
Financing Receivable, Troubled Debt Restructuring [Line Items]
Amortized cost of loans	$ 180	$ 269
Term Extension and Payment Deferral (in months)	6 months	6 months
Personal installment | Debt Forgiveness
Financing Receivable, Troubled Debt Restructuring [Line Items]
Amortized cost of loans	$ 183	$ 264
Personal installment | Interest Rate Reduction and Term Extension
Financing Receivable, Troubled Debt Restructuring [Line Items]
Amortized cost of loans	$ 0	$ 0

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