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Loans (Tables) | 12 Months Ended
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Dec. 31, 2023
Receivables [Abstract] |
Loans | Year-end loans, including leases net of unearned discounts, consisted of the following:
| 2023 |  | 2022
Commercial and industrial | $ | 5,959,133 |  |  | $ | 5,674,798 |
Energy: |  |  |
Production | 681,568 |  |  | 696,570 |
Service | 192,654 |  |  | 133,542 |
Other | 61,043 |  |  | 95,617 |
Total energy | 935,265 |  |  | 925,729 |
Paycheck Protection Program (“PPP”) | 9,521 |  |  | 34,852 |
Commercial real estate: |  |  |
Commercial mortgages | 6,746,709 |  |  | 6,168,910 |
Construction | 1,680,724 |  |  | 1,477,247 |
Land | 555,211 |  |  | 537,168 |
Total commercial real estate | 8,982,644 |  |  | 8,183,325 |
Consumer real estate: |  |  |
Home equity lines of credit | 792,876 |  |  | 691,841 |
Home equity loans | 694,966 |  |  | 449,507 |
Home improvement loans | 765,887 |  |  | 577,377 |
Other | 206,997 |  |  | 124,814 |
Total consumer real estate | 2,460,726 |  |  | 1,843,539 |
Total real estate | 11,443,370 |  |  | 10,026,864 |
Consumer and other | 476,962 |  |  | 492,726 |
Total loans | $ | 18,824,251 |  |  | $ | 17,154,969 |
Activities in Related Party Loans | Activity in related party loans during 2023 is presented in the following table. Other changes were primarily related to changes in related-party status.
Balance outstanding at December 31, 2022 | $ | 391,255 |
Principal additions | 322,183 |
Principal payments | (299,338) |
Other changes | 2,007 |
Balance outstanding at December 31, 2023 | $ | 416,107 |
Non-Accrual Loans, Segregated by Class of Loans | Year-end non-accrual loans, segregated by class of loans, were as follows:
| December 31, 2023 |  | December 31, 2022
| Total Non-Accrual |  | Non-Accrual with No Credit Loss Allowance |  | Total Non-Accrual |  | Non-Accrual with No Credit Loss Allowance
Commercial and industrial | $ | 19,545 |  |  | $ | 5,391 |  |  | $ | 18,130 |  |  | $ | 8,514 |
Energy | 11,500 |  |  | 7,398 |  |  | 15,224 |  |  | 7,139 |
Commercial real estate: |  |  |  |  |  |  |
Buildings, land and other | 22,420 |  |  | 4,983 |  |  | 3,552 |  |  | 1,991 |
Construction | — |  |  | — |  |  | — |  |  | — |
Consumer real estate | 7,442 |  |  | 5,160 |  |  | 927 |  |  | 927 |
Consumer and other | — |  |  | — |  |  | — |  |  | — |
Total | $ | 60,907 |  |  | $ | 22,932 |  |  | $ | 37,833 |  |  | $ | 18,571 |
Financing Receivable, Non-Accrual Loans, Segregated by Class of Loan and Year of Origination | The following tables present non-accrual loans as of December 31, 2023 and December 31, 2022 by class and year of origination.
| December 31, 2023
| 2023 |  | 2022 |  | 2021 |  | 2020 |  | 2019 |  | Prior |  | Revolving Loans |  | Revolving Loans Converted to Term |  | Total
Commercial and industrial | $ | — |  |  | $ | 359 |  |  | $ | 1,635 |  |  | $ | 985 |  |  | $ | 1,257 |  |  | $ | 1,006 |  |  | $ | 9 |  |  | $ | 14,294 |  |  | $ | 19,545 |
Energy | 5,875 |  |  | — |  |  | — |  |  | 56 |  |  | 1,321 |  |  | — |  |  | 4,102 |  |  | 146 |  |  | 11,500 |
Commercial real estate: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Buildings, land and other | 20,099 |  |  | — |  |  | 150 |  |  | — |  |  | 1,451 |  |  | 720 |  |  | — |  |  | — |  |  | 22,420 |
Construction | — |  |  | — |  |  | — |  |  | — |  |  | — |  |  | — |  |  | — |  |  | — |  |  | — |
Consumer real estate | — |  |  | — |  |  | — |  |  | 38 |  |  | 2,281 |  |  | 483 |  |  | 1,600 |  |  | 3,040 |  |  | 7,442 |
Consumer and other | — |  |  | — |  |  | — |  |  | — |  |  | — |  |  | — |  |  | — |  |  | — |  |  | — |
Total | $ | 25,974 |  |  | $ | 359 |  |  | $ | 1,785 |  |  | $ | 1,079 |  |  | $ | 6,310 |  |  | $ | 2,209 |  |  | $ | 5,711 |  |  | $ | 17,480 |  |  | $ | 60,907 |
| December 31, 2022
| 2022 |  | 2021 |  | 2020 |  | 2019 |  | 2018 |  | Prior |  | Revolving Loans |  | Revolving Loans Converted to Term |  | Total
Commercial and industrial | $ | — |  |  | $ | 1,252 |  |  | $ | 1,089 |  |  | $ | 3,242 |  |  | $ | 1,197 |  |  | $ | 191 |  |  | $ | 2,973 |  |  | $ | 8,186 |  |  | $ | 18,130 |
Energy | 4,657 |  |  | — |  |  | 72 |  |  | 1,386 |  |  | 10 |  |  | — |  |  | 7,631 |  |  | 1,468 |  |  | 15,224 |
Commercial real estate: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Buildings, land and other | 1,644 |  |  | — |  |  | — |  |  | 217 |  |  | 266 |  |  | 1,425 |  |  | — |  |  | — |  |  | 3,552 |
Construction | — |  |  | — |  |  | — |  |  | — |  |  | — |  |  | — |  |  | — |  |  | — |  |  | — |
Consumer real estate | — |  |  | 258 |  |  | — |  |  | — |  |  | — |  |  | 84 |  |  | — |  |  | 585 |  |  | 927 |
Consumer and other | — |  |  | — |  |  | — |  |  | — |  |  | — |  |  | — |  |  | — |  |  | — |  |  | — |
Total | $ | 6,301 |  |  | $ | 1,510 |  |  | $ | 1,161 |  |  | $ | 4,845 |  |  | $ | 1,473 |  |  | $ | 1,700 |  |  | $ | 10,604 |  |  | $ | 10,239 |  |  | $ | 37,833 |
Age Analysis of Past Due Loans, Segregated by Class of Loans | An age analysis of past due loans (including both accruing and non-accruing loans), segregated by class of loans, as of December 31, 2023 is presented in the following table. Despite their past due status, PPP loans are fully guaranteed by the Small Business Administration (“SBA”).
| Loans 30-89 Days Past Due |  | Loans 90 or More Days Past Due |  | Total Past Due Loans |  | Current Loans |  | Total Loans |  | Accruing Loans 90 or More Days Past Due
Commercial and industrial | $ | 27,551 |  |  | $ | 21,705 |  |  | $ | 49,256 |  |  | $ | 5,909,877 |  |  | $ | 5,959,133 |  |  | $ | 5,503 |
Energy | 6,387 |  |  | 6,771 |  |  | 13,158 |  |  | 922,107 |  |  | 935,265 |  |  | 1,146 |
Paycheck Protection Program | 61 |  |  | 1,954 |  |  | 2,015 |  |  | 7,506 |  |  | 9,521 |  |  | 1,954 |
Commercial real estate: |  |  |  |  |  |  |  |  |  |  |
Buildings, land and other | 20,224 |  |  | 1,610 |  |  | 21,834 |  |  | 7,280,086 |  |  | 7,301,920 |  |  | 92 |
Construction | 4,878 |  |  | 3,498 |  |  | 8,376 |  |  | 1,672,348 |  |  | 1,680,724 |  |  | 3,498 |
Consumer real estate | 12,504 |  |  | 7,716 |  |  | 20,220 |  |  | 2,440,506 |  |  | 2,460,726 |  |  | 2,589 |
Consumer and other | 6,495 |  |  | 251 |  |  | 6,746 |  |  | 470,216 |  |  | 476,962 |  |  | 251 |
Total | $ | 78,100 |  |  | $ | 43,505 |  |  | $ | 121,605 |  |  | $ | 18,702,646 |  |  | $ | 18,824,251 |  |  | $ | 15,033 |
Modification to Borrowers Experiencing Financial Difficulty | The period-end balance of loan modifications, segregated by type of modification, to borrowers experiencing financial difficulty during 2023 and 2022 are set forth in the table below, regardless of whether such modifications resulted in a new loan. There were no commitments to lend additional funds to these borrowers at December 31, 2023.
|  |  |  |  | Payment Delay |  | Percent of Total Class of Loans |  | Combination: Payment Delay and Term Extension |  | Percent of Total Class of Loans |  | Combination: Interest Rate Reduction and Term Extension |  | Percent of Total Class of Loans |
December 31, 2023 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Commercial and industrial |  |  |  |  | $ | — |  |  | — | % |  | $ | 13,813 |  |  | 0.2 | % |  | $ | — |  |  | — | % |
Commercial real estate: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Buildings, land, and other |  |  |  |  | — |  |  | — |  |  | 19,438 |  |  | 0.3 |  |  | 2,092 |  |  | — |  |
|  |  |  |  | $ | — |  |  | — |  |  | $ | 33,251 |  |  | 0.2 |  |  | $ | 2,092 |  |  | — |  |
December 31, 2022 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Commercial real estate: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Buildings, land, and other |  |  |  |  | $ | 1,051 |  |  | — |  |  | $ | — |  |  | — |  |  | $ | — |  |  | — |  |
|  |  |  |  | $ | 1,051 |  |  | — |  |  | $ | — |  |  | — |  |  | $ | — |  |  | — |  |
Financing Receivables, Modified Loans by Type of Modification | Information as of or for the years ended December 31, 2023, 2022, or 2021 related to loans modified (by type of modification) in the preceding twelve months, respectively, whereby the borrower was experiencing financial difficulty at the time of modification is set forth in the following table.
|  |  | Payment Delay |  | Combination: Payment Delay and Term Extension |  | Combination: Interest Rate Reduction and Term Extension
2023 |  |  |  |  |  |  |
Past due in excess of 90 days or on non-accrual status at period-end: |  |  |  |  |  |  |
Commercial and industrial |  |  | $ | — |  |  | $ | 13,813 |  |  | $ | — |
Commercial real estate: |  |  |  |  |  |  |
Buildings, land, and other |  |  | — |  |  | 19,438 |  |  | — |
|  |  | $ | — |  |  | $ | 33,251 |  |  | $ | — |
2022 |  |  |  |  |  |  |
Past due in excess of 90 days or on non-accrual status at period-end: |  |  |  |  |  |  |
Commercial real estate: |  |  |  |  |  |  |
Buildings, land, and other |  |  | $ | 1,051 |  |  | $ | — |  |  | $ | — |
|  |  | $ | 1,051 |  |  | $ | — |  |  | $ | — |
Charge-offs during the period: |  |  |  |  |  |  |
Commercial real estate: |  |  |  |  |  |  |
Buildings, land, and other |  |  | $ | 371 |  |  | $ | 352 |  |  | $ | — |
|  |  | $ | 371 |  |  | $ | 352 |  |  | $ | — |
Proceeds from sales: |  |  |  |  |  |  |
Commercial real estate: |  |  |  |  |  |  |
Buildings, land, and other |  |  | $ | — |  |  | $ | 1,070 |  |  | $ | — |
|  |  | $ | — |  |  | $ | 1,070 |  |  | $ | — |
2021 |  |  |  |  |  |  |
Past due in excess of 90 days or on non-accrual status at period-end: |  |  |  |  |  |  |
Commercial and industrial |  |  | $ | 1,162 |  |  | $ | — |  |  | $ | — |
Energy |  |  | 721 |  |  | — |  |  | — |
Commercial real estate: |  |  |  |  |  |  |
Buildings, land, and other |  |  | 306 |  |  | 1,556 |  |  | — |
|  |  | $ | 2,189 |  |  | $ | 1,556 |  |  | $ | — |
Charge-offs during the period: |  |  |  |  |  |  |
Energy |  |  | $ | 4,278 |  |  | $ | — |  |  | $ | — |
|  |  | $ | 4,278 |  |  | $ | — |  |  | $ | — |
Weighted Average Risk Grades for All Commercial Loans by Class and Year of Origination | The following tables present weighted-average risk grades for all commercial loans, by class and year of origination/renewal as of December 31, 2023 and 2022. PPP loans are excluded as such loans are fully guaranteed by the SBA.
| December 31, 2023
| 2023 |  | 2022 |  | 2021 |  | 2020 |  | 2019 |  | Prior |  | Revolving Loans |  | Revolving Loans Converted to Term |  | Total
Commercial and industrial |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Risk grades 1-8 | $ | 1,489,026 |  |  | $ | 706,210 |  |  | $ | 450,806 |  |  | $ | 349,744 |  |  | $ | 172,656 |  |  | $ | 206,643 |  |  | $ | 2,083,490 |  |  | $ | 41,254 |  |  | $ | 5,499,829 |
Risk grade 9 | 57,625 |  |  | 42,618 |  |  | 12,258 |  |  | 4,952 |  |  | 1,641 |  |  | 10,383 |  |  | 70,142 |  |  | 5,625 |  |  | 205,244 |
Risk grade 10 | 63,205 |  |  | 2,222 |  |  | 1,307 |  |  | 911 |  |  | 4,005 |  |  | 581 |  |  | 35,977 |  |  | 1,046 |  |  | 109,254 |
Risk grade 11 | 9,450 |  |  | 16,837 |  |  | 25,932 |  |  | 7,854 |  |  | 2,530 |  |  | 1,153 |  |  | 58,134 |  |  | 3,371 |  |  | 125,261 |
Risk grade 12 | — |  |  | 359 |  |  | 1,635 |  |  | 950 |  |  | 1,257 |  |  | 1,006 |  |  | 1 |  |  | 11,894 |  |  | 17,102 |
Risk grade 13 | — |  |  | — |  |  | — |  |  | 35 |  |  | — |  |  | — |  |  | 8 |  |  | 2,400 |  |  | 2,443 |
| $ | 1,619,306 |  |  | $ | 768,246 |  |  | $ | 491,938 |  |  | $ | 364,446 |  |  | $ | 182,089 |  |  | $ | 219,766 |  |  | $ | 2,247,752 |  |  | $ | 65,590 |  |  | $ | 5,959,133 |
W/A risk grade | 6.53 |  |  | 7.05 |  |  | 7.26 |  |  | 5.87 |  |  | 6.01 |  |  | 6.04 |  |  | 6.50 |  |  | 8.48 |  |  | 6.60 |
Energy |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Risk grades 1-8 | $ | 270,710 |  |  | $ | 54,185 |  |  | $ | 73,532 |  |  | $ | 3,673 |  |  | $ | 1,819 |  |  | $ | 4,047 |  |  | $ | 451,897 |  |  | $ | 9,886 |  |  | $ | 869,749 |
Risk grade 9 | 1,137 |  |  | 7,315 |  |  | 1,041 |  |  | — |  |  | 456 |  |  | — |  |  | 17,680 |  |  | 14 |  |  | 27,643 |
Risk grade 10 | — |  |  | — |  |  | 33 |  |  | — |  |  | 291 |  |  | 494 |  |  | — |  |  | — |  |  | 818 |
Risk grade 11 | — |  |  | — |  |  | 25 |  |  | 106 |  |  | 2,989 |  |  | — |  |  | 21,650 |  |  | 785 |  |  | 25,555 |
Risk grade 12 | 5,875 |  |  | — |  |  | — |  |  | 56 |  |  | 1,321 |  |  | — |  |  | 1,402 |  |  | 146 |  |  | 8,800 |
Risk grade 13 | — |  |  | — |  |  | — |  |  | — |  |  | — |  |  | — |  |  | 2,700 |  |  | — |  |  | 2,700 |
| $ | 277,722 |  |  | $ | 61,500 |  |  | $ | 74,631 |  |  | $ | 3,835 |  |  | $ | 6,876 |  |  | $ | 4,541 |  |  | $ | 495,329 |  |  | $ | 10,831 |  |  | $ | 935,265 |
W/A risk grade | 6.19 |  |  | 7.07 |  |  | 6.00 |  |  | 6.99 |  |  | 10.02 |  |  | 7.07 |  |  | 5.75 |  |  | 7.33 |  |  | 6.05 |
Commercial real estate: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Buildings, land, other |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Risk grades 1-8 | $ | 1,601,175 |  |  | $ | 1,667,750 |  |  | $ | 1,186,559 |  |  | $ | 747,289 |  |  | $ | 503,303 |  |  | $ | 874,942 |  |  | $ | 214,874 |  |  | $ | 99,466 |  |  | $ | 6,895,358 |
Risk grade 9 | 12,173 |  |  | 68,007 |  |  | 28,870 |  |  | 13,250 |  |  | 16,272 |  |  | 23,214 |  |  | 11,143 |  |  | 541 |  |  | 173,470 |
Risk grade 10 | 7,671 |  |  | 29,278 |  |  | 17,364 |  |  | 34,672 |  |  | 747 |  |  | 3,153 |  |  | 3,716 |  |  | — |  |  | 96,601 |
Risk grade 11 | 4,105 |  |  | 20,589 |  |  | 20,119 |  |  | 16,363 |  |  | 793 |  |  | 51,739 |  |  | — |  |  | 363 |  |  | 114,071 |
Risk grade 12 | 17,449 |  |  | — |  |  | 150 |  |  | — |  |  | 1,451 |  |  | 720 |  |  | — |  |  | — |  |  | 19,770 |
Risk grade 13 | 2,650 |  |  | — |  |  | — |  |  | — |  |  | — |  |  | — |  |  | — |  |  | — |  |  | 2,650 |
| $ | 1,645,223 |  |  | $ | 1,785,624 |  |  | $ | 1,253,062 |  |  | $ | 811,574 |  |  | $ | 522,566 |  |  | $ | 953,768 |  |  | $ | 229,733 |  |  | $ | 100,370 |  |  | $ | 7,301,920 |
W/A risk grade | 7.23 |  |  | 7.18 |  |  | 7.29 |  |  | 7.22 |  |  | 6.90 |  |  | 7.16 |  |  | 7.49 |  |  | 6.77 |  |  | 7.20 |
Construction |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Risk grades 1-8 | $ | 538,072 |  |  | $ | 537,705 |  |  | $ | 264,770 |  |  | $ | 28,063 |  |  | $ | 296 |  |  | $ | 1,613 |  |  | $ | 155,567 |  |  | $ | — |  |  | $ | 1,526,086 |
Risk grade 9 | 3,414 |  |  | 35,565 |  |  | 79,871 |  |  | — |  |  | — |  |  | — |  |  | 8,252 |  |  | — |  |  | 127,102 |
Risk grade 10 | 13,322 |  |  | — |  |  | — |  |  | — |  |  | — |  |  | — |  |  | 3,713 |  |  | — |  |  | 17,035 |
Risk grade 11 | 5,912 |  |  | 3,104 |  |  | — |  |  | — |  |  | — |  |  | — |  |  | 1,485 |  |  | — |  |  | 10,501 |
Risk grade 12 | — |  |  | — |  |  | — |  |  | — |  |  | — |  |  | — |  |  | — |  |  | — |  |  | — |
Risk grade 13 | — |  |  | — |  |  | — |  |  | — |  |  | — |  |  | — |  |  | — |  |  | — |  |  | — |
| $ | 560,720 |  |  | $ | 576,374 |  |  | $ | 344,641 |  |  | $ | 28,063 |  |  | $ | 296 |  |  | $ | 1,613 |  |  | $ | 169,017 |  |  | $ | — |  |  | $ | 1,680,724 |
W/A risk grade | 7.44 |  |  | 7.44 |  |  | 7.93 |  |  | 2.55 |  |  | 7.22 |  |  | 6.78 |  |  | 7.34 |  |  | — |  |  | 7.45 |
Total commercial real estate | $ | 2,205,943 |  |  | $ | 2,361,998 |  |  | $ | 1,597,703 |  |  | $ | 839,637 |  |  | $ | 522,862 |  |  | $ | 955,381 |  |  | $ | 398,750 |  |  | $ | 100,370 |  |  | $ | 8,982,644 |
W/A risk grade | 7.28 |  |  | 7.24 |  |  | 7.43 |  |  | 7.07 |  |  | 6.90 |  |  | 7.15 |  |  | 7.43 |  |  | 6.77 |  |  | 7.24 |
| December 31, 2022
| 2022 |  | 2021 |  | 2020 |  | 2019 |  | 2018 |  | Prior |  | Revolving Loans |  | Revolving Loans Converted to Term |  | Total
Commercial and industrial |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Risk grades 1-8 | $ | 1,667,274 |  |  | $ | 618,756 |  |  | $ | 485,908 |  |  | $ | 226,835 |  |  | $ | 123,768 |  |  | $ | 192,791 |  |  | $ | 2,068,891 |  |  | $ | 51,694 |  |  | $ | 5,435,917 |
Risk grade 9 | 31,275 |  |  | 34,950 |  |  | 3,651 |  |  | 5,400 |  |  | 11,006 |  |  | 1,014 |  |  | 54,856 |  |  | 4,040 |  |  | 146,192 |
Risk grade 10 | 2,294 |  |  | 724 |  |  | 845 |  |  | 4,713 |  |  | 1,341 |  |  | 114 |  |  | 23,880 |  |  | 3,685 |  |  | 37,596 |
Risk grade 11 | 2,342 |  |  | 1,357 |  |  | 6,720 |  |  | 1,807 |  |  | 1,229 |  |  | 1,644 |  |  | 19,582 |  |  | 2,282 |  |  | 36,963 |
Risk grade 12 | — |  |  | 1,052 |  |  | 866 |  |  | 2,972 |  |  | 1,177 |  |  | 191 |  |  | 673 |  |  | 5,590 |  |  | 12,521 |
Risk grade 13 | — |  |  | 200 |  |  | 223 |  |  | 270 |  |  | 20 |  |  | — |  |  | 2,300 |  |  | 2,596 |  |  | 5,609 |
| $ | 1,703,185 |  |  | $ | 657,039 |  |  | $ | 498,213 |  |  | $ | 241,997 |  |  | $ | 138,541 |  |  | $ | 195,754 |  |  | $ | 2,170,182 |  |  | $ | 69,887 |  |  | $ | 5,674,798 |
W/A risk grade | 6.37 |  |  | 7.05 |  |  | 6.01 |  |  | 6.59 |  |  | 6.87 |  |  | 5.55 |  |  | 6.26 |  |  | 7.68 |  |  | 6.39 |
Energy |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Risk grades 1-8 | $ | 338,050 |  |  | $ | 99,089 |  |  | $ | 4,917 |  |  | $ | 3,138 |  |  | $ | 2,020 |  |  | $ | 2,850 |  |  | $ | 393,957 |  |  | $ | 43,161 |  |  | $ | 887,182 |
Risk grade 9 | 1,561 |  |  | 1,611 |  |  | 166 |  |  | 562 |  |  | 748 |  |  | — |  |  | 6,434 |  |  | 30 |  |  | 11,112 |
Risk grade 10 | — |  |  | — |  |  | — |  |  | 428 |  |  | 214 |  |  | — |  |  | — |  |  | — |  |  | 642 |
Risk grade 11 | 7,956 |  |  | 162 |  |  | 157 |  |  | 3,145 |  |  | 86 |  |  | 63 |  |  | — |  |  | — |  |  | 11,569 |
Risk grade 12 | 3,995 |  |  | — |  |  | 72 |  |  | 1,386 |  |  | 10 |  |  | — |  |  | 4,571 |  |  | 806 |  |  | 10,840 |
Risk grade 13 | 662 |  |  | — |  |  | — |  |  | — |  |  | — |  |  | — |  |  | 3,060 |  |  | 662 |  |  | 4,384 |
| $ | 352,224 |  |  | $ | 100,862 |  |  | $ | 5,312 |  |  | $ | 8,659 |  |  | $ | 3,078 |  |  | $ | 2,913 |  |  | $ | 408,022 |  |  | $ | 44,659 |  |  | $ | 925,729 |
W/A risk grade | 6.09 |  |  | 5.65 |  |  | 7.65 |  |  | 9.64 |  |  | 8.02 |  |  | 6.59 |  |  | 5.18 |  |  | 5.69 |  |  | 5.67 |
Commercial real estate: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Buildings, land, other |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Risk grades 1-8 | $ | 1,811,069 |  |  | $ | 1,484,811 |  |  | $ | 956,567 |  |  | $ | 708,942 |  |  | $ | 360,154 |  |  | $ | 800,944 |  |  | $ | 111,778 |  |  | $ | 105,763 |  |  | $ | 6,340,028 |
Risk grade 9 | 52,288 |  |  | 13,139 |  |  | 36,264 |  |  | 22,086 |  |  | 17,699 |  |  | 45,590 |  |  | 652 |  |  | 2,210 |  |  | 189,928 |
Risk grade 10 | 26,688 |  |  | 11,150 |  |  | 3,735 |  |  | 9,008 |  |  | 29,683 |  |  | 5,221 |  |  | 5,535 |  |  | — |  |  | 91,020 |
Risk grade 11 | 10,199 |  |  | 19,073 |  |  | 12,631 |  |  | 4,778 |  |  | 2,525 |  |  | 28,841 |  |  | 2,993 |  |  | 510 |  |  | 81,550 |
Risk grade 12 | 1,049 |  |  | — |  |  | — |  |  | 217 |  |  | 266 |  |  | 1,425 |  |  | — |  |  | — |  |  | 2,957 |
Risk grade 13 | 595 |  |  | — |  |  | — |  |  | — |  |  | — |  |  | — |  |  | — |  |  | — |  |  | 595 |
| $ | 1,901,888 |  |  | $ | 1,528,173 |  |  | $ | 1,009,197 |  |  | $ | 745,031 |  |  | $ | 410,327 |  |  | $ | 882,021 |  |  | $ | 120,958 |  |  | $ | 108,483 |  |  | $ | 6,706,078 |
W/A risk grade | 7.01 |  |  | 7.26 |  |  | 7.14 |  |  | 7.01 |  |  | 7.33 |  |  | 6.94 |  |  | 7.38 |  |  | 6.43 |  |  | 7.09 |
Construction |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Risk grades 1-8 | $ | 640,948 |  |  | $ | 489,391 |  |  | $ | 128,788 |  |  | $ | 2,236 |  |  | $ | 486 |  |  | $ | 1,726 |  |  | $ | 163,293 |  |  | $ | 3,144 |  |  | $ | 1,430,012 |
Risk grade 9 | 12,865 |  |  | 2,100 |  |  | 2,100 |  |  | — |  |  | — |  |  | — |  |  | 17,887 |  |  | — |  |  | 34,952 |
Risk grade 10 | 859 |  |  | 72 |  |  | — |  |  | — |  |  | — |  |  | — |  |  | — |  |  | — |  |  | 931 |
Risk grade 11 | 11,352 |  |  | — |  |  | — |  |  | — |  |  | — |  |  | — |  |  | — |  |  | — |  |  | 11,352 |
Risk grade 12 | — |  |  | — |  |  | — |  |  | — |  |  | — |  |  | — |  |  | — |  |  | — |  |  | — |
Risk grade 13 | — |  |  | — |  |  | — |  |  | — |  |  | — |  |  | — |  |  | — |  |  | — |  |  | — |
| $ | 666,024 |  |  | $ | 491,563 |  |  | $ | 130,888 |  |  | $ | 2,236 |  |  | $ | 486 |  |  | $ | 1,726 |  |  | $ | 181,180 |  |  | $ | 3,144 |  |  | $ | 1,477,247 |
W/A risk grade | 7.29 |  |  | 7.03 |  |  | 6.43 |  |  | 7.04 |  |  | 6.00 |  |  | 6.76 |  |  | 7.23 |  |  | 5.03 |  |  | 7.12 |
Total commercial real estate | $ | 2,567,912 |  |  | $ | 2,019,736 |  |  | $ | 1,140,085 |  |  | $ | 747,267 |  |  | $ | 410,813 |  |  | $ | 883,747 |  |  | $ | 302,138 |  |  | $ | 111,627 |  |  | $ | 8,183,325 |
W/A risk grade | 7.08 |  |  | 7.20 |  |  | 7.06 |  |  | 7.01 |  |  | 7.33 |  |  | 6.94 |  |  | 7.29 |  |  | 6.39 |  |  | 7.10 |
Age analysis of Past Due Consumer Loans by Class and Year of Origination | Information about the payment status of consumer loans, segregated by portfolio segment and year of origination, as of December 31, 2023 and December 31, 2022 was as follows:
| December 31, 2023
| 2023 |  | 2022 |  | 2021 |  | 2020 |  | 2019 |  | Prior |  | Revolving Loans |  | Revolving Loans Converted to Term |  | Total
Consumer real estate: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Past due 30-89 days | $ | 874 |  |  | $ | 2,066 |  |  | $ | 1,318 |  |  | $ | 959 |  |  | $ | 537 |  |  | $ | 2,641 |  |  | $ | 3,570 |  |  | $ | 539 |  |  | $ | 12,504 |
Past due 90 or more days | — |  |  | 512 |  |  | 626 |  |  | 38 |  |  | — |  |  | 887 |  |  | 2,566 |  |  | 3,087 |  |  | 7,716 |
Total past due | 874 |  |  | 2,578 |  |  | 1,944 |  |  | 997 |  |  | 537 |  |  | 3,528 |  |  | 6,136 |  |  | 3,626 |  |  | 20,220 |
Current loans | 579,505 |  |  | 432,719 |  |  | 281,820 |  |  | 170,225 |  |  | 58,744 |  |  | 134,319 |  |  | 775,465 |  |  | 7,709 |  |  | 2,440,506 |
Total | $ | 580,379 |  |  | $ | 435,297 |  |  | $ | 283,764 |  |  | $ | 171,222 |  |  | $ | 59,281 |  |  | $ | 137,847 |  |  | $ | 781,601 |  |  | $ | 11,335 |  |  | $ | 2,460,726 |
Consumer and other: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Past due 30-89 days | $ | 3,014 |  |  | $ | 488 |  |  | $ | 148 |  |  | $ | 66 |  |  | $ | 28 |  |  | $ | 40 |  |  | $ | 2,553 |  |  | $ | 158 |  |  | $ | 6,495 |
Past due 90 or more days | 153 |  |  | — |  |  | 27 |  |  | — |  |  | 20 |  |  | — |  |  | 51 |  |  | — |  |  | 251 |
Total past due | 3,167 |  |  | 488 |  |  | 175 |  |  | 66 |  |  | 48 |  |  | 40 |  |  | 2,604 |  |  | 158 |  |  | 6,746 |
Current loans | 67,272 |  |  | 28,885 |  |  | 6,290 |  |  | 3,581 |  |  | 1,199 |  |  | 1,230 |  |  | 339,789 |  |  | 21,970 |  |  | 470,216 |
Total | $ | 70,439 |  |  | $ | 29,373 |  |  | $ | 6,465 |  |  | $ | 3,647 |  |  | $ | 1,247 |  |  | $ | 1,270 |  |  | $ | 342,393 |  |  | $ | 22,128 |  |  | $ | 476,962 |
| December 31, 2022
| 2022 |  | 2021 |  | 2020 |  | 2019 |  | 2018 |  | Prior |  | Revolving Loans |  | Revolving Loans Converted to Term |  | Total
Consumer real estate: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Past due 30-89 days | $ | 793 |  |  | $ | 1,125 |  |  | $ | 645 |  |  | $ | 936 |  |  | $ | 503 |  |  | $ | 2,087 |  |  | $ | 565 |  |  | $ | 1,202 |  |  | $ | 7,856 |
Past due 90 or more days | 95 |  |  | 258 |  |  | 28 |  |  | — |  |  | 129 |  |  | 919 |  |  | 347 |  |  | 914 |  |  | 2,690 |
Total past due | 888 |  |  | 1,383 |  |  | 673 |  |  | 936 |  |  | 632 |  |  | 3,006 |  |  | 912 |  |  | 2,116 |  |  | 10,546 |
Current loans | 403,587 |  |  | 313,222 |  |  | 194,900 |  |  | 70,723 |  |  | 38,904 |  |  | 122,585 |  |  | 678,418 |  |  | 10,654 |  |  | 1,832,993 |
Total | $ | 404,475 |  |  | $ | 314,605 |  |  | $ | 195,573 |  |  | $ | 71,659 |  |  | $ | 39,536 |  |  | $ | 125,591 |  |  | $ | 679,330 |  |  | $ | 12,770 |  |  | $ | 1,843,539 |
Consumer and other: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Past due 30-89 days | $ | 2,673 |  |  | $ | 511 |  |  | $ | 128 |  |  | $ | 51 |  |  | $ | 4 |  |  | $ | 31 |  |  | $ | 314 |  |  | $ | 1,443 |  |  | $ | 5,155 |
Past due 90 or more days | 77 |  |  | 2 |  |  | — |  |  | 13 |  |  | — |  |  | — |  |  | 25 |  |  | 194 |  |  | 311 |
Total past due | 2,750 |  |  | 513 |  |  | 128 |  |  | 64 |  |  | 4 |  |  | 31 |  |  | 339 |  |  | 1,637 |  |  | 5,466 |
Current loans | 59,886 |  |  | 20,887 |  |  | 6,475 |  |  | 2,897 |  |  | 1,271 |  |  | 1,632 |  |  | 372,117 |  |  | 22,095 |  |  | 487,260 |
Total | $ | 62,636 |  |  | $ | 21,400 |  |  | $ | 6,603 |  |  | $ | 2,961 |  |  | $ | 1,275 |  |  | $ | 1,663 |  |  | $ | 372,456 |  |  | $ | 23,732 |  |  | $ | 492,726 |
Financing Receivable Revolving Loans Converted to Term | Revolving loans that converted to term during 2023 and 2022 were as follows:
| 2023 |  | 2022 |  |
Commercial and industrial | $ | 28,713 |  |  | $ | 34,247 |  |  |
Energy | 6,409 |  |  | 3,295 |  |  |
Commercial real estate: |  |  |  |  |
Buildings, land and other | 4,780 |  |  | 12,174 |  |  |
Construction | — |  |  | 3,144 |  |  |
Consumer real estate | 2,467 |  |  | 5,381 |  |  |
Consumer and other | 7,482 |  |  | 9,200 |  |  |
Total | $ | 49,851 |  |  | $ | 67,441 |  |  |
Financing Receivable, Allowance for Credit Loss By Loan Class Calculated in Accordance With CECL Methodology | The following table presents details of the allowance for credit losses on loans segregated by loan portfolio segment as of December 31, 2023 and 2022, calculated in accordance with the CECL methodology described above. No allowance for credit losses has been recognized for PPP loans as such loans are fully guaranteed by the SBA.
| Commercial and Industrial |  | Energy |  | Commercial Real Estate |  | Consumer Real Estate |  | Consumer and Other |  | Total
December 31, 2023 |  |  |  |  |  |  |  |  |  |  |
Modeled expected credit losses | $ | 50,959 |  |  | $ | 7,838 |  |  | $ | 15,443 |  |  | $ | 12,364 |  |  | $ | 5,969 |  |  | $ | 92,573 |
Q-Factor and other qualitative adjustments | 20,612 |  |  | 7,276 |  |  | 112,505 |  |  | 433 |  |  | 4,071 |  |  | 144,897 |
Specific allocations | 2,435 |  |  | 2,700 |  |  | 2,650 |  |  | 741 |  |  | — |  |  | 8,526 |
Total | $ | 74,006 |  |  | $ | 17,814 |  |  | $ | 130,598 |  |  | $ | 13,538 |  |  | $ | 10,040 |  |  | $ | 245,996 |
December 31, 2022 |  |  |  |  |  |  |  |  |  |  |
Modeled expected credit losses | $ | 61,918 |  |  | $ | 8,531 |  |  | $ | 27,013 |  |  | $ | 7,847 |  |  | $ | 4,983 |  |  | $ | 110,292 |
Q-Factor and other qualitative adjustments | 36,237 |  |  | 5,148 |  |  | 61,572 |  |  | 157 |  |  | 2,034 |  |  | 105,148 |
Specific allocations | 6,082 |  |  | 4,383 |  |  | 1,716 |  |  | — |  |  | — |  |  | 12,181 |
Total | $ | 104,237 |  |  | $ | 18,062 |  |  | $ | 90,301 |  |  | $ | 8,004 |  |  | $ | 7,017 |  |  | $ | 227,621 |
Activity in Allowance for Loan Losses by Portfolio Segment | The following table details activity in the allowance for credit losses on loans by portfolio segment for 2023, 2022 and 2021. Allocation of a portion of the allowance to one category of loans does not preclude its availability to absorb losses in other categories. No allowance for credit losses has been recognized for PPP loans as such loans are fully guaranteed by the SBA.
| Commercial and Industrial |  | Energy |  | Commercial Real Estate |  | Consumer Real Estate |  | Consumer and Other |  | Total
2023 |  |  |  |  |  |  |  |  |  |  |
Beginning balance | $ | 104,237 |  |  | $ | 18,062 |  |  | $ | 90,301 |  |  | $ | 8,004 |  |  | $ | 7,017 |  |  | $ | 227,621 |
Credit loss expense (benefit) | (16,709) |  |  | (1,067) |  |  | 40,889 |  |  | 6,736 |  |  | 23,012 |  |  | 52,861 |
Charge-offs | (18,315) |  |  | (518) |  |  | (955) |  |  | (2,883) |  |  | (31,260) |  |  | (53,931) |
Recoveries | 4,793 |  |  | 1,337 |  |  | 363 |  |  | 1,681 |  |  | 11,271 |  |  | 19,445 |
Net (charge-offs) recoveries | (13,522) |  |  | 819 |  |  | (592) |  |  | (1,202) |  |  | (19,989) |  |  | (34,486) |
Ending balance | $ | 74,006 |  |  | $ | 17,814 |  |  | $ | 130,598 |  |  | $ | 13,538 |  |  | $ | 10,040 |  |  | $ | 245,996 |
2022 |  |  |  |  |  |  |  |  |  |  |
Beginning balance | $ | 72,091 |  |  | $ | 17,217 |  |  | $ | 144,936 |  |  | $ | 6,585 |  |  | $ | 7,837 |  |  | $ | 248,666 |
Credit loss expense (benefit) | 34,479 |  |  | (313) |  |  | (54,775) |  |  | 1,813 |  |  | 13,517 |  |  | (5,279) |
Charge-offs | (6,575) |  |  | (371) |  |  | (702) |  |  | (912) |  |  | (24,388) |  |  | (32,948) |
Recoveries | 4,242 |  |  | 1,529 |  |  | 842 |  |  | 518 |  |  | 10,051 |  |  | 17,182 |
Net (charge-offs) recoveries | (2,333) |  |  | 1,158 |  |  | 140 |  |  | (394) |  |  | (14,337) |  |  | (15,766) |
Ending balance | $ | 104,237 |  |  | $ | 18,062 |  |  | $ | 90,301 |  |  | $ | 8,004 |  |  | $ | 7,017 |  |  | $ | 227,621 |
2021 |  |  |  |  |  |  |  |  |  |  |
Beginning balance | $ | 73,843 |  |  | $ | 39,553 |  |  | $ | 134,892 |  |  | $ | 7,926 |  |  | $ | 6,963 |  |  | $ | 263,177 |
Credit loss expense (benefit) | (2,160) |  |  | (19,207) |  |  | 8,101 |  |  | (3,061) |  |  | 10,230 |  |  | (6,097) |
Charge-offs | (5,513) |  |  | (5,331) |  |  | (399) |  |  | (829) |  |  | (18,614) |  |  | (30,686) |
Recoveries | 5,921 |  |  | 2,202 |  |  | 2,342 |  |  | 2,549 |  |  | 9,258 |  |  | 22,272 |
Net (charge-offs) recoveries | 408 |  |  | (3,129) |  |  | 1,943 |  |  | 1,720 |  |  | (9,356) |  |  | (8,414) |
Ending balance | $ | 72,091 |  |  | $ | 17,217 |  |  | $ | 144,936 |  |  | $ | 6,585 |  |  | $ | 7,837 |  |  | $ | 248,666 |
Gross Charge-Offs By Year of Origination [Table] | The following table presents year-to-date gross charge-offs by year of origination as of December 31, 2023.
| 2023 |  | 2022 |  | 2021 |  | 2020 |  | 2019 |  | Prior |  | Revolving Loans |  | Revolving Loans Converted to Term |  | Total
Commercial and industrial | $ | 124 |  |  | $ | 1,704 |  |  | $ | 754 |  |  | $ | 157 |  |  | $ | 183 |  |  | $ | 38 |  |  | $ | 9,511 |  |  | $ | 5,844 |  |  | $ | 18,315 |
Energy | — |  |  | — |  |  | — |  |  | — |  |  | — |  |  | — |  |  | — |  |  | 518 |  |  | 518 |
Commercial real estate: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Buildings, land and other | — |  |  | 6 |  |  | 146 |  |  | — |  |  | — |  |  | 64 |  |  | — |  |  | — |  |  | 216 |
Construction | 739 |  |  | — |  |  | — |  |  | — |  |  | — |  |  | — |  |  | — |  |  | — |  |  | 739 |
Consumer real estate | 118 |  |  | 281 |  |  | 348 |  |  | — |  |  | — |  |  | 329 |  |  | 1,807 |  |  | — |  |  | 2,883 |
Consumer and other | 23,321 |  |  | 4,546 |  |  | 74 |  |  | 13 |  |  | 1 |  |  | 29 |  |  | 2,766 |  |  | 510 |  |  | 31,260 |
Total | $ | 24,302 |  |  | $ | 6,537 |  |  | $ | 1,322 |  |  | $ | 170 |  |  | $ | 184 |  |  | $ | 460 |  |  | $ | 14,084 |  |  | $ | 6,872 |  |  | $ | 53,931 |
In the table above, $23.1 million of the consumer and other loan charge-offs reported as 2023 originations and $4.2 million of the total reported as 2022 originations were related to deposit overdrafts.
Investment in Loans Related to the Allowance for Loan Losses by Portfolio Segment Disaggregated Based on Impairment Methodology | The following table presents loans that were evaluated for expected credit losses on an individual basis and the related specific allocations, by loan portfolio segment as of December 31, 2023 and December 31, 2022.
| December 31, 2023 |  | December 31, 2022
Loan Balance |  | Specific Allocations |  | Loan Balance |  | Specific Allocations
Commercial and industrial | $ | 18,670 |  |  | $ | 2,435 |  |  | $ | 18,980 |  |  | $ | 6,082 |
Energy | 11,353 |  |  | 2,700 |  |  | 15,058 |  |  | 4,383 |
Paycheck Protection Program | — |  |  | — |  |  | — |  |  | — |
Commercial real estate: |  |  |  |  |  |  |
Buildings, land and other | 21,373 |  |  | 2,650 |  |  | 17,711 |  |  | 1,716 |
Construction | — |  |  | — |  |  | — |  |  | — |
Consumer real estate | 7,235 |  |  | 741 |  |  | 827 |  |  | — |
Consumer and other | — |  |  | — |  |  | — |  |  | — |
Total | $ | 58,631 |  |  | $ | 8,526 |  |  | $ | 52,576 |  |  | $ | 12,181 |

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