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Loans (Tables)
6 Months Ended
Jun. 30, 2024
Receivables [Abstract]  
Loans
Loans were as follows:
June 30,
2024
December 31,
2023
Commercial and industrial$6,210,179 $5,967,182 
Energy:
Production858,990 681,568 
Service209,658 194,126 
Other28,009 61,043 
Total energy1,096,657 936,737 
Commercial real estate:
Commercial mortgages6,955,118 6,746,709 
Construction1,997,545 1,680,724 
Land542,549 555,211 
Total commercial real estate9,495,212 8,982,644 
Consumer real estate:
Home equity lines of credit832,307 792,876 
Home equity loans790,727 694,966 
Home improvement loans813,799 765,887 
Other303,895 206,997 
Total consumer real estate2,740,728 2,460,726 
Total real estate12,235,940 11,443,370 
Consumer and other452,980 476,962 
Total loans$19,995,756 $18,824,251 
Non-Accrual Loans, Segregated by Class of Loans
Non-accrual loans, segregated by class of loans, were as follows:
June 30, 2024December 31, 2023
Total Non-AccrualNon-Accrual with No Credit Loss AllowanceTotal Non-AccrualNon-Accrual with No Credit Loss Allowance
Commercial and industrial$26,329 $8,044 $19,545 $5,391 
Energy9,147 6,045 11,500 7,398 
Commercial real estate:
Buildings, land, and other33,092 14,099 22,420 4,983 
Construction— — — — 
Consumer real estate6,419 4,188 7,442 5,160 
Consumer and other— — — — 
Total$74,987 $32,376 $60,907 $22,932 
Financing Receivable, Non-Accrual Loans, Segregated by Class of Loan and Year of Origination
The following table presents non-accrual loans as of June 30, 2024 by class and year of origination.
20242023202220212020PriorRevolving LoansRevolving Loans Converted to TermTotal
Commercial and industrial$746 $3,764 $1,159 $3,066 $514 $2,197 $2,149 $12,734 $26,329 
Energy4,522 — — — 56 1,321 3,102 146 9,147 
Commercial real estate:
Buildings, land, and other328 20,115 3,027 5,374 — 1,411 2,837 — 33,092 
Construction— — — — — — — — — 
Consumer real estate— — — — — 6,419 — — 6,419 
Consumer and other— — — — — — — — — 
Total$5,596 $23,879 $4,186 $8,440 $570 $11,348 $8,088 $12,880 $74,987 
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 June 30, 2024 was as follows:
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$38,806 $24,640 $63,446 $6,146,733 $6,210,179 $5,568 
Energy— 4,625 4,625 1,092,032 1,096,657 — 
Commercial real estate:
Buildings, land, and other20,272 14,620 34,892 7,462,775 7,497,667 1,687 
Construction24,535 — 24,535 1,973,010 1,997,545 — 
Consumer real estate17,659 8,819 26,478 2,714,250 2,740,728 4,707 
Consumer and other5,734 577 6,311 446,669 452,980 577 
Total$107,006 $53,281 $160,287 $19,835,469 $19,995,756 $12,539 
Modification to Borrowers Experiencing Financial Difficulty The period-end balance of loan modifications, segregated by type of modification, to borrowers experiencing financial difficulty during the six months ended June 30, 2024 and 2023 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 June 30, 2024.
Combination: Payment Delay and Term ExtensionPercent of
Total Class
of Loans
June 30, 2024
Commercial and industrial$27,731 0.4 %
June 30, 2023
Commercial and industrial$16,020 0.3 %
Commercial real estate:
Buildings, land, and other20,466 0.3 
$36,486 0.2 
Financing Receivables, Modified Loans Past Due in Excess of 90 Days or on Non-Accrual Status, Charge-offs and Proceeds From Sales at Period-End
Information as of June 30, 2024 and June 30, 2023 related to loans modified (by type of modification) in the preceding twelve months, respectively, whereby the borrower was experiencing financial difficulty at the time of modification is set forth in the following table.
June 30, 2024June 30, 2023
Combination: Payment Delay and Term ExtensionCombination: Payment Delay and Term Extension
Past due in excess of 90 days or on non-accrual status at period-end:
Commercial and industrial$— $16,020 
Commercial real estate:
Buildings, land, and other— 20,466 
$— $36,486 
Weighted Average Risk Grades for All Commercial Loans by Class and Year of Origination The following table presents weighted-average risk grades for all commercial loans, by class and year of origination/renewal, as of June 30, 2024.
20242023202220212020PriorRevolving LoansRevolving Loans Converted to TermTotalW/A Risk Grade
Commercial and industrial
Risk grades 1-8$1,095,611 $672,837 $566,640 $340,735 $310,052 $316,544 $2,208,140 $45,210 $5,555,769 6.40 
Risk grade 916,980 9,095 65,217 10,609 5,220 9,906 92,920 4,372 214,319 9.00 
Risk grade 101,114 434 14,799 687 218 12,285 43,049 3,775 76,361 10.00 
Risk grade 1193,737 32,948 20,080 36,358 5,840 2,046 140,163 6,229 337,401 11.00 
Risk grade 12746 2,474 1,015 3,062 503 2,197 646 9,658 20,301 12.00 
Risk grade 13— 1,290 144 11 — 1,503 3,076 6,028 13.00 
$1,208,188 $719,078 $667,895 $391,455 $321,844 $342,978 $2,486,421 $72,320 $6,210,179 6.81 
W/A risk grade7.27 6.93 7.29 7.32 5.72 6.07 6.53 8.52 6.81 
Energy
Risk grades 1-8$300,048 $34,672 $49,350 $49,328 $3,927 $5,041 $597,664 $6,669 $1,046,699 5.63 
Risk grade 9— 1,342 3,634 755 — 414 23,888 652 30,685 9.00 
Risk grade 10— — — 21 — 694 4,100 — 4,815 10.00 
Risk grade 11— — 2,075 — 72 2,945 — 219 5,311 11.00 
Risk grade 124,522 — — — 56 1,321 402 146 6,447 12.00 
Risk grade 13— — — — — — 2,700 — 2,700 13.00 
$304,570 $36,014 $55,059 $50,104 $4,055 $10,415 $628,754 $7,686 $1,096,657 5.83 
W/A risk grade6.11 6.80 7.00 5.88 6.56 9.00 5.44 7.32 5.83 
Commercial real estate:
Buildings, land, other
Risk grades 1-8$675,926 $1,431,165 $1,485,228 $1,150,261 $706,667 $1,153,397 $119,008 $96,456 $6,818,108 7.05 
Risk grade 94,176 5,529 128,935 35,986 7,420 38,849 43,689 61,767 326,351 9.00 
Risk grade 105,047 24,596 53,834 18,244 15,912 11,330 1,723 — 130,686 10.00 
Risk grade 115,177 8,854 37,368 24,337 21,975 91,719 — — 189,430 11.00 
Risk grade 12328 15,965 3,027 5,152 — 1,411 2,593 — 28,476 12.00 
Risk grade 13— 4,150 — 222 — — 244 — 4,616 13.00 
$690,654 $1,490,259 $1,708,392 $1,234,202 $751,974 $1,296,706 $167,257 $158,223 $7,497,667 7.31 
W/A risk grade7.21 7.31 7.39 7.34 7.17 7.18 8.02 7.53 7.31 
Construction
Risk grades 1-8$247,162 $475,920 $575,573 $119,299 $28,003 $1,296 $149,756 $165 $1,597,174 7.32 
Risk grade 990,634 5,282 26,585 118,546 — — 5,650 — 246,697 9.00 
Risk grade 1013,601 34,842 13,513 49,088 — — — — 111,044 10.00 
Risk grade 11— — 31,500 11,130 — — — — 42,630 11.00 
Risk grade 12— — — — — — — — — 12.00 
Risk grade 13— — — — — — — — — 13.00 
$351,397 $516,044 $647,171 $298,063 $28,003 $1,296 $155,406 $165 $1,997,545 7.75 
W/A risk grade7.68 7.54 7.83 8.70 2.53 6.81 7.46 6.98 7.75 
Total commercial real estate$1,042,051 $2,006,303 $2,355,563 $1,532,265 $779,977 $1,298,002 $322,663 $158,388 $9,495,212 7.40 
W/A risk grade7.36 7.37 7.51 7.61 7.00 7.18 7.75 7.53 7.40 
Weighted Average Risk Grades for All Commercial Loans by Class
The following tables present weighted average risk grades for all commercial loans by class as of December 31, 2023. Refer to our 2023 Form 10-K for details of these loans by year of origination/renewal.
Commercial and IndustrialEnergyCommercial Real Estate - Buildings, Land and OtherCommercial Real Estate - ConstructionTotal Commercial Real Estate
W/A Risk GradeLoansW/A Risk GradeLoansW/A Risk GradeLoansW/A Risk GradeLoansW/A Risk GradeLoans
Risk grades 1-86.32 $5,507,878 5.73 $871,221 7.03 $6,895,358 7.27 $1,526,086 7.07 $8,421,444 
Risk grade 99.00 205,244 9.00 27,643 9.00 173,470 9.00 127,102 9.00 300,572 
Risk grade 1010.00 109,254 10.00 818 10.00 96,601 10.00 17,035 10.00 113,636 
Risk grade 1111.00 125,261 11.00 25,555 11.00 114,071 11.00 10,501 11.00 124,572 
Risk grade 1212.00 17,102 12.00 8,800 12.00 19,770 12.00 — 12.00 19,770 
Risk grade 1313.00 2,443 13.00 2,700 13.00 2,650 13.00 — 13.00 2,650 
Total6.60 $5,967,182 6.05 $936,737 7.20 $7,301,920 7.45 $1,680,724 7.24 $8,982,644 
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 June 30, 2024 was as follows:
20242023202220212020PriorRevolving LoansRevolving Loans Converted to TermTotal
Consumer real estate:
Past due 30-89 days$158 $450 $1,396 $2,151 $1,005 $4,813 $7,284 $402 $17,659 
Past due 90 or more days— 565 772 309 60 772 2,624 3,717 8,819 
Total past due158 1,015 2,168 2,460 1,065 5,585 9,908 4,119 26,478 
Current loans314,290 575,925 410,016 263,679 158,204 173,773 810,696 7,667 2,714,250 
Total$314,448 $576,940 $412,184 $266,139 $159,269 $179,358 $820,604 $11,786 $2,740,728 
Consumer and other:
Past due 30-89 days$2,429 $174 $231 $122 $118 $64 $2,559 $37 $5,734 
Past due 90 or more days217 — 16 — — 162 181 577 
Total past due2,646 174 247 123 118 64 2,721 218 6,311 
Current loans35,410 40,943 19,574 3,921 2,691 1,457 319,622 23,051 446,669 
Total$38,056 $41,117 $19,821 $4,044 $2,809 $1,521 $322,343 $23,269 $452,980 
Revolving Loans Converted to Term [Table Text Block]
Period-end balances for revolving loans that converted to term during the three and six months ended June 30, 2024 and 2023 were as follows:
Three Months Ended June 30,Six Months Ended June 30,
2024202320242023
Commercial and industrial$10,557 $3,835 $24,813 $14,606 
Energy604 — 646 2,567 
Commercial real estate:
Buildings, land and other65,642 5,944 66,238 5,944 
Construction165 — 165 — 
Consumer real estate971 1,064 1,703 1,743 
Consumer and other3,541 1,669 6,094 3,671 
Total$81,480 $12,512 $99,659 $28,531 
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 June 30, 2024 and December 31, 2023.
June 30, 2024Commercial
and
Industrial
EnergyCommercial
Real Estate
Consumer
Real Estate
Consumer
and Other
Total
Modeled expected credit losses$56,937 $3,841 $20,961 $14,508 $7,415 $103,662 
Q-Factor and other qualitative adjustments15,589 4,944 114,443 508 3,126 138,610 
Specific allocations6,028 2,700 4,616 691 — 14,035 
Total$78,554 $11,485 $140,020 $15,707 $10,541 $256,307 
December 31, 2023
Modeled expected credit losses$50,959 $7,838 $15,443 $12,364 $5,969 $92,573 
Q-Factor and other qualitative adjustments20,612 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 
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 the three and six months ended June 30, 2024 and 2023. Allocation of a portion of the allowance to one category of loans does not preclude its availability to absorb losses in other categories.
Commercial
and
Industrial
EnergyCommercial
Real Estate
Consumer
Real Estate
Consumer
and Other
Total
Three months ended:
June 30, 2024
Beginning balance$75,596 $14,218 $138,224 $13,857 $8,402 $250,297 
Credit loss expense (benefit)6,936 (3,038)1,903 2,175 7,760 15,736 
Charge-offs(4,282)(79)(122)(408)(8,360)(13,251)
Recoveries304 384 15 83 2,739 3,525 
Net (charge-offs) recoveries(3,978)305 (107)(325)(5,621)(9,726)
Ending balance$78,554 $11,485 $140,020 $15,707 $10,541 $256,307 
June 30, 2023
Beginning balance78,465 19,191 115,693 9,708 8,457 $231,514 
Credit loss expense (benefit)2,404 (4,433)5,133 3,822 5,007 11,933 
Charge-offs(7,136)(518)— (1,080)(7,016)(15,750)
Recoveries1,433 689 100 585 3,115 5,922 
Net (charge-offs) recoveries(5,703)171 100 (495)(3,901)(9,828)
Ending balance$75,166 $14,929 $120,926 $13,035 $9,563 $233,619 
Six months ended:
June 30, 2024
Beginning balance$74,006 $17,814 $130,598 $13,538 $10,040 $245,996 
Credit loss expense (benefit)8,928 (6,814)9,513 3,981 11,778 27,386 
Charge-offs(6,426)(79)(122)(2,077)(16,617)(25,321)
Recoveries2,046 564 31 265 5,340 8,246 
Net (charge-offs) recoveries(4,380)485 (91)(1,812)(11,277)(17,075)
Ending balance$78,554 $11,485 $140,020 $15,707 $10,541 $256,307 
June 30, 2023
Beginning balance104,237 18,062 90,301 8,004 7,017 $227,621 
Credit loss expense (benefit)(18,280)(3,467)30,494 5,105 10,756 24,608 
Charge-offs(13,316)(518)— (1,330)(13,958)(29,122)
Recoveries2,525 852 131 1,256 5,748 10,512 
Net (charge-offs) recoveries(10,791)334 131 (74)(8,210)(18,610)
Ending balance$75,166 $14,929 $120,926 $13,035 $9,563 $233,619 
Financing Receivable, Gross Charge-Offs By Year of Origination
The following table presents year-to-date gross charge-offs by year of origination as of June 30, 2024.
20242023202220212020PriorRevolving LoansRevolving Loans Converted to TermTotal
Commercial and industrial$— $471 $676 $467 $401 $625 $2,902 $884 $6,426 
Energy— 79 — — — — — — 79 
Commercial real estate:
Buildings, land and other— — 122 — — — — — 122 
Construction— — — — — — — — — 
Consumer real estate— — 148 253 — 384 1,225 67 2,077 
Consumer and other9,369 5,713 131 51 1,332 13 16,617 
Total$9,369 $6,263 $1,077 $724 $405 $1,060 $5,459 $964 $25,321 
Investment in Loans Related to 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 June 30, 2024 and December 31, 2023.
June 30, 2024December 31, 2023
Loan
Balance
Specific AllocationsLoan
Balance
Specific Allocations
Commercial and industrial$25,508 $6,028 $18,670 $2,435 
Energy9,001 2,700 11,353 2,700 
Commercial real estate:
Buildings, land and other32,316 4,616 21,373 2,650 
Construction— — — — 
Consumer real estate5,807 691 7,235 741 
Consumer and other— — — — 
Total$72,632 $14,035 $58,631 $8,526