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Loans Loans - Revolving Loans Converted to Term (Details) - Revolving Loans Converted to Term [Member] - USD ($) $ in Thousands | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2023 | Sep. 30, 2022 | Sep. 30, 2023 | Sep. 30, 2022
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |
Remaining Revolving Loans Converted to Term During Period | $ 19,003 | $ 6,613 | $ 34,712 | $ 49,472
Commercial Portfolio Segment [Member] |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |
Remaining Revolving Loans Converted to Term During Period | 13,144 | 2,368 | 18,246 | 22,579
Commercial and Industrial Total Energy Loans [Member] |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |
Remaining Revolving Loans Converted to Term During Period | 3,451 | 1,582 | 4,050 | 1,806
Commercial Real Estate Buildings Land And Other Loans [Member] |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |
Remaining Revolving Loans Converted to Term During Period | 0 | 0 | 5,635 | 10,759
Construction Loans [Member] |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |
Remaining Revolving Loans Converted to Term During Period | 0 | 0 | 0 | 4,414
Total consumer real estate loans [Member] |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |
Remaining Revolving Loans Converted to Term During Period | 709 | 700 | 1,630 | 2,223
Consumer Loan [Member] |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |
Remaining Revolving Loans Converted to Term During Period | $ 1,699 | $ 1,963 | $ 5,151 | $ 7,691

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