Loans, Lease Receivables, and Allowance for Credit Losses (Non-accrual Loans) (Details) - USD ($) $ in Thousands	Mar. 31, 2024	Dec. 31, 2023
Financing Receivable, Impaired
Financing Receivable, Excluding Accrued Interest, Nonaccrual, No Allowance	$ 9,325	$ 9,690
Financing Receivable, Excluding Accrued Interest, Nonaccrual	10,504	10,907
Financing Receivable, Excluding Accrued Interest, 90 Days or More Past Due, Still Accruing	$ 0	$ 0
Total non-accrual loans and leases to gross loans and leases	0.68%	0.72%
Allowance for credit losses to gross loans and leases	1.19%	1.16%
Allowance for credit losses to non-accrual loans and leases	174.64%	160.21%
Commercial real estate — owner occupied
Financing Receivable, Impaired
Financing Receivable, Excluding Accrued Interest, Nonaccrual, No Allowance	$ 0	$ 0
Financing Receivable, Excluding Accrued Interest, Nonaccrual	0	0
Financing Receivable, Excluding Accrued Interest, 90 Days or More Past Due, Still Accruing	0	0
Commercial real estate — non-owner occupied
Financing Receivable, Impaired
Financing Receivable, Excluding Accrued Interest, Nonaccrual, No Allowance	0	0
Financing Receivable, Excluding Accrued Interest, Nonaccrual	0	0
Financing Receivable, Excluding Accrued Interest, 90 Days or More Past Due, Still Accruing	0	0
Construction
Financing Receivable, Impaired
Financing Receivable, Excluding Accrued Interest, Nonaccrual, No Allowance	0	0
Financing Receivable, Excluding Accrued Interest, Nonaccrual	0	0
Financing Receivable, Excluding Accrued Interest, 90 Days or More Past Due, Still Accruing	0	0
Multi-family
Financing Receivable, Impaired
Financing Receivable, Excluding Accrued Interest, Nonaccrual, No Allowance	0	0
Financing Receivable, Excluding Accrued Interest, Nonaccrual	0	0
Financing Receivable, Excluding Accrued Interest, 90 Days or More Past Due, Still Accruing	0	0
1-4 family
Financing Receivable, Impaired
Financing Receivable, Excluding Accrued Interest, Nonaccrual, No Allowance	20	0
Financing Receivable, Excluding Accrued Interest, Nonaccrual	0	22
Financing Receivable, Excluding Accrued Interest, 90 Days or More Past Due, Still Accruing	0	0
Total commercial real estate
Financing Receivable, Impaired
Financing Receivable, Excluding Accrued Interest, Nonaccrual, No Allowance	20	0
Financing Receivable, Excluding Accrued Interest, Nonaccrual	0	22
Financing Receivable, Excluding Accrued Interest, 90 Days or More Past Due, Still Accruing	0	0
Commercial and industrial
Financing Receivable, Impaired
Financing Receivable, Excluding Accrued Interest, Nonaccrual, No Allowance	9,305	9,690
Financing Receivable, Excluding Accrued Interest, Nonaccrual	10,504	10,885
Financing Receivable, Excluding Accrued Interest, 90 Days or More Past Due, Still Accruing	0	0
Consumer and other
Financing Receivable, Impaired
Financing Receivable, Excluding Accrued Interest, Nonaccrual, No Allowance	0	0
Financing Receivable, Excluding Accrued Interest, Nonaccrual	0	0
Financing Receivable, Excluding Accrued Interest, 90 Days or More Past Due, Still Accruing	$ 0	$ 0

Ratio of Allowance for Loan and Lease Losses to Total Gross Loans and Leases

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- Definition

Ratio of Allowance for Loan and Leases Losses to Non-accrual Loans and Leases

+ References

No definition available.

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- Definition

Amortized cost excluding accrued interest, of financing receivable 90 days or more past due and still accruing. Excludes net investment in lease.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 326
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 16
-Subparagraph (c)
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147479319/326-20-50-16

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- Definition

Amortized cost excluding accrued interest, of financing receivable on nonaccrual status. Excludes net investment in lease.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 326
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 16
-Subparagraph (a)
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147479319/326-20-50-16

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- Definition

Amortized cost excluding accrued interest, of financing receivable on nonaccrual status with no allowance for credit loss. Excludes net investment in lease.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 326
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 16
-Subparagraph (d)
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147479319/326-20-50-16

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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

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- Definition

Reflects the percentage derived from dividing impaired loans on which interest has ceased to be accrued by total loans.

+ References

No definition available.

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