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Loans Loans - Non-Accrual Loans, Segregated by Class of Loans and Year of Origination (Details) - USD ($) $ in Thousands | Jun. 30, 2024 | Dec. 31, 2023
--- | --- | ---
Loans and Leases Receivable Disclosure [Line Items] |  |
Non-accrual loans | $ 74,987 | $ 60,907
Nonperforming Financial Instruments [Member] |  |
Loans and Leases Receivable Disclosure [Line Items] |  |
Financing Receivable, Year One, Originated, Current Fiscal Year | 5,596 |
Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year | 23,879 |
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year | 4,186 |
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year | 8,440 |
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year | 570 |
Financing Receivable, Originated, More than Five Years before Current Fiscal Year | 11,348 |
Financing Receivable, Revolving | 8,088 |
Financing Receivable, Revolving, Converted to Term Loan | 12,880 |
Commercial Portfolio Segment [Member] |  |
Loans and Leases Receivable Disclosure [Line Items] |  |
Financing Receivable, Year One, Originated, Current Fiscal Year | 1,208,188 |
Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year | 719,078 |
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year | 667,895 |
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year | 391,455 |
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year | 321,844 |
Financing Receivable, Originated, More than Five Years before Current Fiscal Year | 342,978 |
Financing Receivable, Revolving | 2,486,421 |
Non-accrual loans | 26,329 | 19,545
Commercial Portfolio Segment [Member] | Nonperforming Financial Instruments [Member] |  |
Loans and Leases Receivable Disclosure [Line Items] |  |
Financing Receivable, Year One, Originated, Current Fiscal Year | 746 |
Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year | 3,764 |
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year | 1,159 |
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year | 3,066 |
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year | 514 |
Financing Receivable, Originated, More than Five Years before Current Fiscal Year | 2,197 |
Financing Receivable, Revolving | 2,149 |
Financing Receivable, Revolving, Converted to Term Loan | 12,734 |
Commercial and Industrial Total Energy Loans [Member] |  |
Loans and Leases Receivable Disclosure [Line Items] |  |
Financing Receivable, Year One, Originated, Current Fiscal Year | 304,570 |
Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year | 36,014 |
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year | 55,059 |
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year | 50,104 |
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year | 4,055 |
Financing Receivable, Originated, More than Five Years before Current Fiscal Year | 10,415 |
Financing Receivable, Revolving | 628,754 |
Non-accrual loans | 9,147 | 11,500
Commercial and Industrial Total Energy Loans [Member] | Nonperforming Financial Instruments [Member] |  |
Loans and Leases Receivable Disclosure [Line Items] |  |
Financing Receivable, Year One, Originated, Current Fiscal Year | 4,522 |
Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year | 0 |
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year | 0 |
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year | 0 |
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year | 56 |
Financing Receivable, Originated, More than Five Years before Current Fiscal Year | 1,321 |
Financing Receivable, Revolving | 3,102 |
Financing Receivable, Revolving, Converted to Term Loan | 146 |
Commercial Real Estate Buildings Land And Other Loans [Member] |  |
Loans and Leases Receivable Disclosure [Line Items] |  |
Financing Receivable, Year One, Originated, Current Fiscal Year | 690,654 |
Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year | 1,490,259 |
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year | 1,708,392 |
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year | 1,234,202 |
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year | 751,974 |
Financing Receivable, Originated, More than Five Years before Current Fiscal Year | 1,296,706 |
Financing Receivable, Revolving | 167,257 |
Non-accrual loans | 33,092 | 22,420
Commercial Real Estate Buildings Land And Other Loans [Member] | Nonperforming Financial Instruments [Member] |  |
Loans and Leases Receivable Disclosure [Line Items] |  |
Financing Receivable, Year One, Originated, Current Fiscal Year | 328 |
Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year | 20,115 |
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year | 3,027 |
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year | 5,374 |
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year | 0 |
Financing Receivable, Originated, More than Five Years before Current Fiscal Year | 1,411 |
Financing Receivable, Revolving | 2,837 |
Financing Receivable, Revolving, Converted to Term Loan | 0 |
Construction Loans [Member] |  |
Loans and Leases Receivable Disclosure [Line Items] |  |
Financing Receivable, Year One, Originated, Current Fiscal Year | 351,397 |
Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year | 516,044 |
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year | 647,171 |
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year | 298,063 |
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year | 28,003 |
Financing Receivable, Originated, More than Five Years before Current Fiscal Year | 1,296 |
Financing Receivable, Revolving | 155,406 |
Non-accrual loans | 0 | 0
Construction Loans [Member] | Nonperforming Financial Instruments [Member] |  |
Loans and Leases Receivable Disclosure [Line Items] |  |
Financing Receivable, Year One, Originated, Current Fiscal Year | 0 |
Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year | 0 |
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year | 0 |
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year | 0 |
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year | 0 |
Financing Receivable, Originated, More than Five Years before Current Fiscal Year | 0 |
Financing Receivable, Revolving | 0 |
Financing Receivable, Revolving, Converted to Term Loan | 0 |
Total consumer real estate loans [Member] |  |
Loans and Leases Receivable Disclosure [Line Items] |  |
Non-accrual loans | 6,419 | 7,442
Total consumer real estate loans [Member] | Nonperforming Financial Instruments [Member] |  |
Loans and Leases Receivable Disclosure [Line Items] |  |
Financing Receivable, Year One, Originated, Current Fiscal Year | 0 |
Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year | 0 |
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year | 0 |
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year | 0 |
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year | 0 |
Financing Receivable, Originated, More than Five Years before Current Fiscal Year | 6,419 |
Financing Receivable, Revolving | 0 |
Financing Receivable, Revolving, Converted to Term Loan | 0 |
Consumer Loan [Member] |  |
Loans and Leases Receivable Disclosure [Line Items] |  |
Non-accrual loans | 0 | $ 0
Consumer Loan [Member] | Nonperforming Financial Instruments [Member] |  |
Loans and Leases Receivable Disclosure [Line Items] |  |
Financing Receivable, Year One, Originated, Current Fiscal Year | 0 |
Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year | 0 |
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year | 0 |
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year | 0 |
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year | 0 |
Financing Receivable, Originated, More than Five Years before Current Fiscal Year | 0 |
Financing Receivable, Revolving | 0 |
Financing Receivable, Revolving, Converted to Term Loan | $ 0 |

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