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Loans, Lease Receivables, and Allowance for Credit Losses - Schedule of Corporation Closely Monitors the Performance of Loans (Details) - USD ($) $ in Thousands | 9 Months Ended
--- | ---
Sep. 30, 2025 | Sep. 30, 2024
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Amortized cost basis | $ 6,318 | $ 8,225
Commercial and Industrial |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Amortized cost basis | 6,318 | 2,324
Commercial Real Estate |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Amortized cost basis | 0 | 5,901
30-59 Days Past Due |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Amortized cost basis | 0 | 0
30-59 Days Past Due | Commercial and Industrial |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Amortized cost basis | 0 | 0
30-59 Days Past Due | Commercial Real Estate |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Amortized cost basis | 0 | 0
60-89 Days Past Due |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Amortized cost basis | 0 | 360
60-89 Days Past Due | Commercial and Industrial |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Amortized cost basis | 0 | 360
60-89 Days Past Due | Commercial Real Estate |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Amortized cost basis | 0 | 0
Greater Than 90 Days Past Due |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Amortized cost basis | 0 | 50
Greater Than 90 Days Past Due | Commercial and Industrial |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Amortized cost basis | 0 | 50
Greater Than 90 Days Past Due | Commercial Real Estate |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Amortized cost basis | 0 | 0
Total Past Due |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Amortized cost basis | 0 | 410
Total Past Due | Commercial and Industrial |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Amortized cost basis | 0 | 410
Total Past Due | Commercial Real Estate |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Amortized cost basis | $ 0 | $ 0

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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 Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 310 -SubTopic 20 -Name Accounting Standards Codification -Section 40 -Paragraph 7 -Publisher FASB -URI https://asc.fasb.org/1943274/2147481628/310-20-40-7 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 310 -SubTopic 10 -Name Accounting Standards Codification -Section 45 -Paragraph 2 -Publisher FASB -URI https://asc.fasb.org/1943274/2147481990/310-10-45-2 + Details
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