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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) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023
Financing Receivable, Troubled Debt Restructuring [Line Items]
Amortized cost of loans	$ 27,659	$ 31,221
Loan modifications	27,659	31,221
30-59 Days past due
Financing Receivable, Troubled Debt Restructuring [Line Items]
Loan modifications	373	1,051
60-89 Days past due
Financing Receivable, Troubled Debt Restructuring [Line Items]
Loan modifications	333	816
90 Days or more past due
Financing Receivable, Troubled Debt Restructuring [Line Items]
Loan modifications	121	687
Loans and leases not past due
Financing Receivable, Troubled Debt Restructuring [Line Items]
Loan modifications	26,832	28,667
Term Extension
Financing Receivable, Troubled Debt Restructuring [Line Items]
Amortized cost of loans	7,036	14,698
Payment Deferral
Financing Receivable, Troubled Debt Restructuring [Line Items]
Amortized cost of loans	20,030	15,547
Debt Forgiveness
Financing Receivable, Troubled Debt Restructuring [Line Items]
Amortized cost of loans	73	312
Interest Rate Reduction and Term Extension
Financing Receivable, Troubled Debt Restructuring [Line Items]
Amortized cost of loans	520	664
Commercial and industrial, including specialized lending
Financing Receivable, Troubled Debt Restructuring [Line Items]
Amortized cost of loans	$ 11,113	$ 15,041
Percentage of Total by Financing Class	0.16%	0.24%
Interest Rate Reduction (%)	0	0
Debt Forgiven	$ 0	$ 0
Loan modifications	11,113	15,041
Commercial and industrial, including specialized lending | 30-59 Days past due
Financing Receivable, Troubled Debt Restructuring [Line Items]
Loan modifications	0	0
Commercial and industrial, including specialized lending | 60-89 Days past due
Financing Receivable, Troubled Debt Restructuring [Line Items]
Loan modifications	0	0
Commercial and industrial, including specialized lending | 90 Days or more past due
Financing Receivable, Troubled Debt Restructuring [Line Items]
Loan modifications	0	0
Commercial and industrial, including specialized lending | Loans and leases not past due
Financing Receivable, Troubled Debt Restructuring [Line Items]
Loan modifications	11,113	15,041
Commercial and industrial, including specialized lending | Term Extension
Financing Receivable, Troubled Debt Restructuring [Line Items]
Amortized cost of loans	$ 1,999	$ 250
Weighted Average, Term Extension and Payment Deferral (in months)	1 month	56 months
Commercial and industrial, including specialized lending | Payment Deferral
Financing Receivable, Troubled Debt Restructuring [Line Items]
Amortized cost of loans	$ 9,114	$ 14,791
Weighted Average, Term Extension and Payment Deferral (in months)	8 months	10 months
Commercial and industrial, including specialized lending | Debt Forgiveness
Financing Receivable, Troubled Debt Restructuring [Line Items]
Amortized cost of loans	$ 0	$ 0
Commercial and industrial, including specialized lending | Interest Rate Reduction and Term Extension
Financing Receivable, Troubled Debt Restructuring [Line Items]
Amortized cost of loans	0	0
Multifamily
Financing Receivable, Troubled Debt Restructuring [Line Items]
Amortized cost of loans	$ 10,694
Percentage of Total by Financing Class	0.47%
Interest Rate Reduction (%)	0
Debt Forgiven	$ 0
Loan modifications	10,694
Multifamily | 30-59 Days past due
Financing Receivable, Troubled Debt Restructuring [Line Items]
Loan modifications	0
Multifamily | 60-89 Days past due
Financing Receivable, Troubled Debt Restructuring [Line Items]
Loan modifications	0
Multifamily | 90 Days or more past due
Financing Receivable, Troubled Debt Restructuring [Line Items]
Loan modifications	0
Multifamily | Loans and leases not past due
Financing Receivable, Troubled Debt Restructuring [Line Items]
Loan modifications	10,694
Multifamily | Term Extension
Financing Receivable, Troubled Debt Restructuring [Line Items]
Amortized cost of loans	$ 0
Weighted Average, Term Extension and Payment Deferral (in months)	0 months
Multifamily | Payment Deferral
Financing Receivable, Troubled Debt Restructuring [Line Items]
Amortized cost of loans	$ 10,694
Weighted Average, Term Extension and Payment Deferral (in months)	5 months
Multifamily | Debt Forgiveness
Financing Receivable, Troubled Debt Restructuring [Line Items]
Amortized cost of loans	$ 0
Multifamily | 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
Commercial real estate owner occupied | 30-59 Days past due
Financing Receivable, Troubled Debt Restructuring [Line Items]
Loan modifications		0
Commercial real estate owner occupied | 60-89 Days past due
Financing Receivable, Troubled Debt Restructuring [Line Items]
Loan modifications		0
Commercial real estate owner occupied | 90 Days or more past due
Financing Receivable, Troubled Debt Restructuring [Line Items]
Loan modifications		169
Commercial real estate owner occupied | Loans and leases not past due
Financing Receivable, Troubled Debt Restructuring [Line Items]
Loan modifications		0
Commercial real estate owner occupied | Term Extension
Financing Receivable, Troubled Debt Restructuring [Line Items]
Amortized cost of loans		$ 169
Weighted Average, 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
Weighted Average, 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	$ 354	$ 46
Percentage of Total by Financing Class	0.07%	0.01%
Interest Rate Reduction (%)	0.028	0
Debt Forgiven	$ 0	$ 0
Loan modifications	354	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 | Loans and leases not past due
Financing Receivable, Troubled Debt Restructuring [Line Items]
Loan modifications	354	46
Residential real estate | Term Extension
Financing Receivable, Troubled Debt Restructuring [Line Items]
Amortized cost of loans	$ 0	$ 46
Weighted Average, Term Extension and Payment Deferral (in months)	13 months	228 months
Residential real estate | Payment Deferral
Financing Receivable, Troubled Debt Restructuring [Line Items]
Amortized cost of loans	$ 51	$ 0
Weighted Average, Term Extension and Payment Deferral (in months)	5 months	0 months
Residential real estate | Debt Forgiveness
Financing Receivable, Troubled Debt Restructuring [Line Items]
Amortized cost of loans	$ 0	$ 0
Residential real estate | Interest Rate Reduction and Term Extension
Financing Receivable, Troubled Debt Restructuring [Line Items]
Amortized cost of loans	303	0
Manufactured housing
Financing Receivable, Troubled Debt Restructuring [Line Items]
Amortized cost of loans	$ 317	$ 822
Percentage of Total by Financing Class	0.96%	2.13%
Interest Rate Reduction (%)	0.030	0.025
Debt Forgiven	$ 0	$ 0
Loan modifications	317	822
Manufactured housing | 30-59 Days past due
Financing Receivable, Troubled Debt Restructuring [Line Items]
Loan modifications	17	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 | Loans and leases not past due
Financing Receivable, Troubled Debt Restructuring [Line Items]
Loan modifications	269	740
Manufactured housing | Term Extension
Financing Receivable, Troubled Debt Restructuring [Line Items]
Amortized cost of loans	$ 100	$ 158
Weighted Average, Term Extension and Payment Deferral (in months)	83 months	56 months
Manufactured housing | Payment Deferral
Financing Receivable, Troubled Debt Restructuring [Line Items]
Amortized cost of loans	$ 0	$ 0
Weighted Average, 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	217	664
Personal installment
Financing Receivable, Troubled Debt Restructuring [Line Items]
Amortized cost of loans	$ 5,181	$ 15,143
Percentage of Total by Financing Class	1.12%	2.73%
Interest Rate Reduction (%)	0	0
Debt Forgiven	$ 158	$ 462
Loan modifications	5,181	15,143
Personal installment | 30-59 Days past due
Financing Receivable, Troubled Debt Restructuring [Line Items]
Loan modifications	356	1,000
Personal installment | 60-89 Days past due
Financing Receivable, Troubled Debt Restructuring [Line Items]
Loan modifications	302	785
Personal installment | 90 Days or more past due
Financing Receivable, Troubled Debt Restructuring [Line Items]
Loan modifications	121	518
Personal installment | Loans and leases not past due
Financing Receivable, Troubled Debt Restructuring [Line Items]
Loan modifications	4,402	12,840
Personal installment | Term Extension
Financing Receivable, Troubled Debt Restructuring [Line Items]
Amortized cost of loans	$ 4,937	$ 14,075
Weighted Average, Term Extension and Payment Deferral (in months)	6 months	5 months
Personal installment | Payment Deferral
Financing Receivable, Troubled Debt Restructuring [Line Items]
Amortized cost of loans	$ 171	$ 756
Weighted Average, Term Extension and Payment Deferral (in months)	7 months	6 months
Personal installment | Debt Forgiveness
Financing Receivable, Troubled Debt Restructuring [Line Items]
Amortized cost of loans	$ 73	$ 312
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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