XML 28 R22.htm IDEA: XBRL DOCUMENT
v3.24.1.u1

Loans Held for Investment and Allowance for Credit Losses on Loans (Tables) | 3 Months Ended
--- | ---
Mar. 31, 2024
Receivables [Abstract] |
Summary of Loans Held for Investment by Portfolio Segment | Loans held for investment are summarized by portfolio segment as follows:
| March 31, 2024 |  |  | December 31, 2023 |
| (Dollars in thousands) |
Real estate: |  |  |  |  |
Commercial real estate owner occupied |  | 962,203 |  |  |  | 960,944 |
Commercial real estate non-owner occupied |  | 1,531,185 |  |  |  | 1,486,420 |
Construction and development < 60 months |  | 669,726 |  |  |  | 642,643 |
Construction residential real estate < 60 months |  | 280,686 |  |  |  | 283,486 |
Residential real estate first lien |  | 1,283,879 |  |  |  | 1,258,744 |
Residential real estate all other |  | 252,635 |  |  |  | 244,696 |
Agriculture |  | 449,812 |  |  |  | 427,139 |
Commercial non-real estate |  | 1,320,840 |  |  |  | 1,289,452 |
Consumer non-real estate |  | 465,166 |  |  |  | 476,467 |
Oil and gas |  | 565,728 |  |  |  | 586,654 |
Total (1) | $ | 7,781,860 |  |  | $ | 7,656,645 |
(1) Excludes accrued interest receivable of $40.9 million at March 31, 2024 and $39.4 million at December 31, 2023, that is recorded in accrued interest receivable and other assets. |
Summary of Other Real Estate Owned and Repossessed Assets | The following is a summary of other real estate owned and repossessed assets:
|  | March 31, 2024 |  |  | December 31, 2023 |
|  | (Dollars in thousands) |
Other real estate owned and repossessed assets |  | $ | 35,116 |  |  | $ | 34,200 |
Summary of Rental Income and Operating Expenses | This property had the following rental income and operating expenses for the periods presented.
|  | For the Three Months Ended March 31, |
|  | 2024 |  |  | 2023 |
|  | (Dollars in thousands) |
Rental income |  | $ | 2,941 |  |  | $ | 2,690 |
Operating expense |  |  | 2,250 |  |  |  | 2,381 |
Summary of Amounts Included in Nonaccrual Loans Segregated by Portfolio Segment | The following table is a summary of amounts included in nonaccrual loans, segregated by portfolio segment.
|  | March 31, 2024 |  |  | December 31, 2023 |
|  | (Dollars in thousands) |
Real estate: |  |  |  |  |  |
Commercial real estate owner occupied |  | $ | 2,282 |  |  | $ | 1,686 |
Commercial real estate non-owner occupied |  |  | 3,010 |  |  |  | 874 |
Construction and development < 60 months |  |  | 20,142 |  |  |  | 800 |
Construction residential real estate < 60 months |  |  | 755 |  |  |  | 638 |
Residential real estate first lien |  |  | 2,919 |  |  |  | 3,336 |
Residential real estate all other |  |  | 531 |  |  |  | 899 |
Agriculture |  |  | 2,169 |  |  |  | 3,662 |
Commercial non-real estate |  |  | 7,518 |  |  |  | 10,101 |
Consumer non-real estate |  |  | 703 |  |  |  | 449 |
Oil and gas |  |  | 1,967 |  |  |  | 2,128 |
Total |  | $ | 41,996 |  |  | $ | 24,573 |
Age Analysis of Loans Held for Investments | Loans are considered past due if the required principal and interest payments have not been received as of the date such payments were due. The following table presents an age analysis of the Company's loans held for investment:
|  | Age Analysis of Past Due Loans |
|  | 30-59 Days Past Due |  |  | 60-89 Days Past Due |  |  | 90 Days and Greater |  |  | Total Past Due Loans |  |  | Current Loans |  |  | Total Loans |  |  | Accruing Loans 90 Days or More Past Due |
|  | (Dollars in thousands) |
As of March 31, 2024 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Real estate: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Commercial real estate owner occupied |  | $ | 7,283 |  |  | $ | 18 |  |  | $ | 5,594 |  |  | $ | 12,895 |  |  | $ | 949,308 |  |  | $ | 962,203 |  |  | $ | 3,670 |
Commercial real estate non-owner occupied |  |  | 297 |  |  |  | 63 |  |  |  | 1,806 |  |  |  | 2,166 |  |  |  | 1,529,019 |  |  |  | 1,531,185 |  |  |  | 876 |
Construction and development < 60 months |  |  | 501 |  |  |  | 2,654 |  |  |  | 800 |  |  |  | 3,955 |  |  |  | 665,771 |  |  |  | 669,726 |  |  |  | — |
Construction residential real estate < 60 months |  |  | 2,920 |  |  |  | 1,411 |  |  |  | 407 |  |  |  | 4,738 |  |  |  | 275,948 |  |  |  | 280,686 |  |  |  | — |
Residential real estate first lien |  |  | 4,584 |  |  |  | 1,000 |  |  |  | 1,650 |  |  |  | 7,234 |  |  |  | 1,276,645 |  |  |  | 1,283,879 |  |  |  | 780 |
Residential real estate all other |  |  | 1,297 |  |  |  | 370 |  |  |  | 624 |  |  |  | 2,291 |  |  |  | 250,344 |  |  |  | 252,635 |  |  |  | 115 |
Agriculture |  |  | 1,348 |  |  |  | 1,032 |  |  |  | 728 |  |  |  | 3,108 |  |  |  | 446,704 |  |  |  | 449,812 |  |  |  | 215 |
Commercial non-real estate |  |  | 2,550 |  |  |  | 1,385 |  |  |  | 6,461 |  |  |  | 10,396 |  |  |  | 1,310,444 |  |  |  | 1,320,840 |  |  |  | 312 |
Consumer non-real estate |  |  | 3,672 |  |  |  | 755 |  |  |  | 867 |  |  |  | 5,294 |  |  |  | 459,872 |  |  |  | 465,166 |  |  |  | 364 |
Oil and gas |  |  | 501 |  |  |  | — |  |  |  | — |  |  |  | 501 |  |  |  | 565,227 |  |  |  | 565,728 |  |  |  | — |
Total |  | $ | 24,953 |  |  | $ | 8,688 |  |  | $ | 18,937 |  |  | $ | 52,578 |  |  | $ | 7,729,282 |  |  | $ | 7,781,860 |  |  | $ | 6,332 |
As of December 31, 2023 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Real estate: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Commercial real estate owner occupied |  | $ | 1,386 |  |  | $ | 26 |  |  | $ | 5,598 |  |  | $ | 7,010 |  |  | $ | 953,934 |  |  | $ | 960,944 |  |  | $ | 4,377 |
Commercial real estate non-owner occupied |  |  | 2,224 |  |  |  | 7,371 |  |  |  | 1,786 |  |  |  | 11,381 |  |  |  | 1,475,039 |  |  |  | 1,486,420 |  |  |  | 913 |
Construction and development < 60 months |  |  | 198 |  |  |  | 158 |  |  |  | 800 |  |  |  | 1,156 |  |  |  | 641,487 |  |  |  | 642,643 |  |  |  | — |
Construction residential real estate < 60 months |  |  | 1,542 |  |  |  | 206 |  |  |  | 405 |  |  |  | 2,153 |  |  |  | 281,333 |  |  |  | 283,486 |  |  |  | 332 |
Residential real estate first lien |  |  | 3,879 |  |  |  | 1,204 |  |  |  | 1,849 |  |  |  | 6,932 |  |  |  | 1,251,812 |  |  |  | 1,258,744 |  |  |  | 731 |
Residential real estate all other |  |  | 757 |  |  |  | 190 |  |  |  | 613 |  |  |  | 1,560 |  |  |  | 243,136 |  |  |  | 244,696 |  |  |  | 549 |
Agriculture |  |  | 1,694 |  |  |  | 724 |  |  |  | 1,227 |  |  |  | 3,645 |  |  |  | 423,494 |  |  |  | 427,139 |  |  |  | 579 |
Commercial non-real estate |  |  | 1,501 |  |  |  | 436 |  |  |  | 10,028 |  |  |  | 11,965 |  |  |  | 1,277,487 |  |  |  | 1,289,452 |  |  |  | 1,714 |
Consumer non-real estate |  |  | 3,248 |  |  |  | 1,090 |  |  |  | 594 |  |  |  | 4,932 |  |  |  | 471,535 |  |  |  | 476,467 |  |  |  | 347 |
Oil and gas |  |  | — |  |  |  | — |  |  |  | 92 |  |  |  | 92 |  |  |  | 586,562 |  |  |  | 586,654 |  |  |  | — |
Total |  | $ | 16,429 |  |  | $ | 11,405 |  |  | $ | 22,992 |  |  | $ | 50,826 |  |  | $ | 7,605,819 |  |  | $ | 7,656,645 |  |  | $ | 9,542 |
Gross Loans Held for Investment by Year of Origination and Internally Assigned Credit Grades | The following table summarizes the Company’s gross loans held for investment by year of origination and internally assigned credit grades:
|  | Term Loans Amortized Cost Basis by Origination Year |  |  | Revolving Loans |  |  |  |
(Dollars in thousands) |  | 2024 |  |  | 2023 |  |  | 2022 |  |  | 2021 |  |  | 2020 |  |  | Prior |  |  | Amortized Cost Basis |  |  | Total |
As of March 31, 2024 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Commercial real estate owner occupied |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Grade 1 |  | $ | 25,173 |  |  | $ | 109,028 |  |  | $ | 159,208 |  |  | $ | 116,637 |  |  | $ | 82,223 |  |  | $ | 203,263 |  |  | $ | 18,941 |  |  | $ | 714,473 |
Grade 2 |  |  | 6,168 |  |  |  | 34,656 |  |  |  | 46,355 |  |  |  | 44,871 |  |  |  | 22,165 |  |  |  | 40,867 |  |  |  | 22,938 |  |  |  | 218,020 |
Grade 3 |  |  | 4,031 |  |  |  | 7,629 |  |  |  | 3,640 |  |  |  | 5,303 |  |  |  | 890 |  |  |  | 3,055 |  |  |  | 2,100 |  |  |  | 26,648 |
Grade 4 |  |  | — |  |  |  | 374 |  |  |  | 23 |  |  |  | 170 |  |  |  | 352 |  |  |  | 1,654 |  |  |  | 150 |  |  |  | 2,723 |
Grade 5 |  |  | — |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | 339 |  |  |  | — |  |  |  | 339 |
Total commercial real estate owner occupied |  |  | 35,372 |  |  |  | 151,687 |  |  |  | 209,226 |  |  |  | 166,981 |  |  |  | 105,630 |  |  |  | 249,178 |  |  |  | 44,129 |  |  |  | 962,203 |
Commercial real estate non-owner occupied |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Grade 1 |  | $ | 30,431 |  |  | $ | 217,786 |  |  | $ | 266,193 |  |  | $ | 187,861 |  |  | $ | 116,004 |  |  | $ | 120,132 |  |  | $ | 32,534 |  |  | $ | 970,941 |
Grade 2 |  |  | 13,104 |  |  |  | 163,293 |  |  |  | 144,208 |  |  |  | 85,378 |  |  |  | 45,784 |  |  |  | 93,020 |  |  |  | 2,731 |  |  |  | 547,518 |
Grade 3 |  |  | 6,109 |  |  |  | — |  |  |  | 781 |  |  |  | 1,703 |  |  |  | — |  |  |  | 247 |  |  |  | — |  |  |  | 8,840 |
Grade 4 |  |  | — |  |  |  | 2,280 |  |  |  | 632 |  |  |  | 352 |  |  |  | 98 |  |  |  | 524 |  |  |  | — |  |  |  | 3,886 |
Total commercial real estate non-owner occupied |  |  | 49,644 |  |  |  | 383,359 |  |  |  | 411,814 |  |  |  | 275,294 |  |  |  | 161,886 |  |  |  | 213,923 |  |  |  | 35,265 |  |  |  | 1,531,185 |
Construction and development < 60 months |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Grade 1 |  | $ | 29,037 |  |  | $ | 89,815 |  |  | $ | 147,644 |  |  | $ | 50,050 |  |  | $ | 5,324 |  |  | $ | 7,984 |  |  | $ | 42,282 |  |  | $ | 372,136 |
Grade 2 |  |  | 24,777 |  |  |  | 126,003 |  |  |  | 62,244 |  |  |  | 26,007 |  |  |  | 6,561 |  |  |  | 15,166 |  |  |  | 8,778 |  |  |  | 269,536 |
Grade 3 |  |  | — |  |  |  | 6,352 |  |  |  | 893 |  |  |  | 357 |  |  |  | — |  |  |  | 70 |  |  |  | 19,342 |  |  |  | 27,014 |
Grade 4 |  |  | — |  |  |  | — |  |  |  | 800 |  |  |  | 100 |  |  |  | 140 |  |  |  | — |  |  |  | — |  |  |  | 1,040 |
Total construction and development < 60 months |  |  | 53,814 |  |  |  | 222,170 |  |  |  | 211,581 |  |  |  | 76,514 |  |  |  | 12,025 |  |  |  | 23,220 |  |  |  | 70,402 |  |  |  | 669,726 |
Construction residential real estate < 60 months |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Grade 1 |  | $ | 34,249 |  |  | $ | 84,861 |  |  | $ | 14,251 |  |  | $ | 8,620 |  |  | $ | 99 |  |  | $ | 559 |  |  | $ | 38,050 |  |  | $ | 180,689 |
Grade 2 |  |  | 28,843 |  |  |  | 58,132 |  |  |  | 2,135 |  |  |  | 21 |  |  |  | 12 |  |  |  | — |  |  |  | 1,305 |  |  |  | 90,448 |
Grade 3 |  |  | — |  |  |  | 8,191 |  |  |  | 374 |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | 8,565 |
Grade 4 |  |  | 578 |  |  |  | 200 |  |  |  | 206 |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | 984 |
Total construction residential real estate < 60 months |  |  | 63,670 |  |  |  | 151,384 |  |  |  | 16,966 |  |  |  | 8,641 |  |  |  | 111 |  |  |  | 559 |  |  |  | 39,355 |  |  |  | 280,686 |
Residential real estate first lien |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Grade 1 |  | $ | 72,174 |  |  | $ | 268,280 |  |  | $ | 214,401 |  |  | $ | 167,456 |  |  | $ | 110,847 |  |  | $ | 204,350 |  |  | $ | 4,637 |  |  | $ | 1,042,145 |
Grade 2 |  |  | 14,813 |  |  |  | 49,624 |  |  |  | 42,664 |  |  |  | 37,763 |  |  |  | 24,732 |  |  |  | 51,823 |  |  |  | — |  |  |  | 221,419 |
Grade 3 |  |  | 232 |  |  |  | 2,987 |  |  |  | 2,691 |  |  |  | 2,538 |  |  |  | 1,710 |  |  |  | 5,622 |  |  |  | — |  |  |  | 15,780 |
Grade 4 |  |  | 91 |  |  |  | 913 |  |  |  | 218 |  |  |  | 725 |  |  |  | 712 |  |  |  | 1,876 |  |  |  | — |  |  |  | 4,535 |
Total residential real estate first lien |  |  | 87,310 |  |  |  | 321,804 |  |  |  | 259,974 |  |  |  | 208,482 |  |  |  | 138,001 |  |  |  | 263,671 |  |  |  | 4,637 |  |  |  | 1,283,879 |
Residential real estate all other |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Grade 1 |  | $ | 8,258 |  |  | $ | 36,264 |  |  | $ | 21,550 |  |  | $ | 6,892 |  |  | $ | 7,585 |  |  | $ | 14,383 |  |  | $ | 55,776 |  |  | $ | 150,708 |
Grade 2 |  |  | 1,682 |  |  |  | 5,082 |  |  |  | 5,290 |  |  |  | 1,434 |  |  |  | 1,595 |  |  |  | 3,611 |  |  |  | 78,539 |  |  |  | 97,233 |
Grade 3 |  |  | 455 |  |  |  | 292 |  |  |  | 176 |  |  |  | 196 |  |  |  | 166 |  |  |  | 671 |  |  |  | 1,590 |  |  |  | 3,546 |
Grade 4 |  |  | — |  |  |  | 119 |  |  |  | 24 |  |  |  | — |  |  |  | — |  |  |  | 111 |  |  |  | 894 |  |  |  | 1,148 |
Total residential real estate all other |  |  | 10,395 |  |  |  | 41,757 |  |  |  | 27,040 |  |  |  | 8,522 |  |  |  | 9,346 |  |  |  | 18,776 |  |  |  | 136,799 |  |  |  | 252,635 |
Agriculture |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Grade 1 |  | $ | 13,547 |  |  | $ | 57,413 |  |  | $ | 47,429 |  |  | $ | 33,676 |  |  | $ | 25,336 |  |  | $ | 48,773 |  |  | $ | 49,003 |  |  | $ | 275,177 |
Grade 2 |  |  | 11,754 |  |  |  | 25,588 |  |  |  | 21,021 |  |  |  | 17,212 |  |  |  | 9,303 |  |  |  | 20,012 |  |  |  | 48,165 |  |  |  | 153,055 |
Grade 3 |  |  | 1,602 |  |  |  | 8,528 |  |  |  | 819 |  |  |  | 966 |  |  |  | 2,591 |  |  |  | 3,328 |  |  |  | 1,931 |  |  |  | 19,765 |
Grade 4 |  |  | — |  |  |  | 768 |  |  |  | 627 |  |  |  | 53 |  |  |  | 99 |  |  |  | 267 |  |  |  | 1 |  |  |  | 1,815 |
Total Agriculture |  |  | 26,903 |  |  |  | 92,297 |  |  |  | 69,896 |  |  |  | 51,907 |  |  |  | 37,329 |  |  |  | 72,380 |  |  |  | 99,100 |  |  |  | 449,812 |
Commercial non-real estate |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Grade 1 |  | $ | 38,088 |  |  | $ | 177,037 |  |  | $ | 163,957 |  |  | $ | 148,673 |  |  | $ | 32,770 |  |  | $ | 64,198 |  |  | $ | 317,586 |  |  | $ | 942,309 |
Grade 2 |  |  | 24,463 |  |  |  | 106,857 |  |  |  | 33,066 |  |  |  | 17,747 |  |  |  | 6,480 |  |  |  | 13,144 |  |  |  | 161,984 |  |  |  | 363,741 |
Grade 3 |  |  | 1,184 |  |  |  | 1,930 |  |  |  | 2,260 |  |  |  | 1,015 |  |  |  | 283 |  |  |  | 196 |  |  |  | 3,411 |  |  |  | 10,279 |
Grade 4 |  |  | 126 |  |  |  | 122 |  |  |  | 1,494 |  |  |  | 228 |  |  |  | 473 |  |  |  | 360 |  |  |  | 1,240 |  |  |  | 4,043 |
Grade 5 |  |  | — |  |  |  | 18 |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | 450 |  |  |  | — |  |  |  | 468 |
Total commercial non-real estate |  |  | 63,861 |  |  |  | 285,964 |  |  |  | 200,777 |  |  |  | 167,663 |  |  |  | 40,006 |  |  |  | 78,348 |  |  |  | 484,221 |  |  |  | 1,320,840 |
Consumer non-real estate |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Grade 1 |  | $ | 52,889 |  |  | $ | 180,937 |  |  | $ | 90,786 |  |  | $ | 49,021 |  |  | $ | 14,926 |  |  | $ | 9,321 |  |  | $ | 11,638 |  |  | $ | 409,518 |
Grade 2 |  |  | 4,202 |  |  |  | 18,228 |  |  |  | 14,005 |  |  |  | 6,266 |  |  |  | 1,906 |  |  |  | 1,323 |  |  |  | 2,299 |  |  |  | 48,229 |
Grade 3 |  |  | 565 |  |  |  | 1,714 |  |  |  | 1,493 |  |  |  | 1,221 |  |  |  | 295 |  |  |  | 360 |  |  |  | 10 |  |  |  | 5,658 |
Grade 4 |  |  | 94 |  |  |  | 420 |  |  |  | 611 |  |  |  | 390 |  |  |  | 155 |  |  |  | 85 |  |  |  | 6 |  |  |  | 1,761 |
Total consumer non-real estate |  |  | 57,750 |  |  |  | 201,299 |  |  |  | 106,895 |  |  |  | 56,898 |  |  |  | 17,282 |  |  |  | 11,089 |  |  |  | 13,953 |  |  |  | 465,166 |
Oil and gas |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Grade 1 |  | $ | 70,735 |  |  | $ | 71,998 |  |  | $ | 6,206 |  |  | $ | 28,039 |  |  | $ | 6,172 |  |  | $ | 3,205 |  |  | $ | 252,952 |  |  | $ | 439,307 |
Grade 2 |  |  | 55,581 |  |  |  | 11,759 |  |  |  | 5,278 |  |  |  | 829 |  |  |  | 386 |  |  |  | 358 |  |  |  | 51,437 |  |  |  | 125,628 |
Grade 3 |  |  | — |  |  |  | — |  |  |  | — |  |  |  | 185 |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | 185 |
Grade 4 |  |  | — |  |  |  | — |  |  |  | — |  |  |  | 148 |  |  |  | — |  |  |  | 460 |  |  |  | — |  |  |  | 608 |
Total oil and gas |  |  | 126,316 |  |  |  | 83,757 |  |  |  | 11,484 |  |  |  | 29,201 |  |  |  | 6,558 |  |  |  | 4,023 |  |  |  | 304,389 |  |  |  | 565,728 |
Total loans held for investment |  | $ | 575,035 |  |  | $ | 1,935,478 |  |  | $ | 1,525,653 |  |  | $ | 1,050,103 |  |  | $ | 528,174 |  |  | $ | 935,167 |  |  | $ | 1,232,250 |  |  | $ | 7,781,860 |
Gross Charge-offs by Year of Origination | The following tables summarize the Company's gross charge-offs by year of origination for the periods indicated:
|  | Term Loans Amortized Cost Basis by Origination Year |  |  | Revolving Loans |  |  |  |
|  | 2024 |  |  | 2023 |  |  | 2022 |  |  | 2021 |  |  | 2020 |  |  | Prior |  |  | Amortized Cost Basis |  |  | Total |
|  | (Dollars in thousands) |
Three months ended March 31, 2024 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Commercial real estate owner occupied |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Current-period gross charge-offs |  | $ | — |  |  | $ | — |  |  | $ | — |  |  | $ | 15 |  |  | $ | — |  |  | $ | — |  |  | $ | — |  |  | $ | 15 |
Commercial real estate non-owner occupied |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Current-period gross charge-offs |  |  | — |  |  |  | 12 |  |  |  | — |  |  |  | — |  |  |  | 1 |  |  |  | — |  |  |  | — |  |  |  | 13 |
Construction and development < 60 months |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Current-period gross charge-offs |  |  | — |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | — |
Construction residential real estate < 60 months |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Current-period gross charge-offs |  |  | — |  |  |  | 3 |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | 3 |
Residential real estate first lien |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Current-period gross charge-offs |  |  | 1 |  |  |  | — |  |  |  | — |  |  |  | 1 |  |  |  | — |  |  |  | 21 |  |  |  | — |  |  |  | 23 |
Residential real estate all other |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Current-period gross charge-offs |  |  | — |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | 2 |  |  |  | 27 |  |  |  | 29 |
Agriculture |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Current-period gross charge-offs |  |  | — |  |  |  | — |  |  |  | 31 |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | 31 |
Commercial non-real estate |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Current-period gross charge-offs |  |  | — |  |  |  | 1,001 |  |  |  | 275 |  |  |  | 132 |  |  |  | 12 |  |  |  | 126 |  |  |  | 1,508 |  |  |  | 3,054 |
Consumer non-real estate |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Current-period gross charge-offs |  |  | — |  |  |  | 244 |  |  |  | 97 |  |  |  | 51 |  |  |  | 13 |  |  |  | 15 |  |  |  | 11 |  |  |  | 431 |
Oil and gas |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Current-period gross charge-offs |  |  | — |  |  |  | 9 |  |  |  | 83 |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | 92 |
Total current-period gross charge-offs |  | $ | 1 |  |  | $ | 1,269 |  |  | $ | 486 |  |  | $ | 199 |  |  | $ | 26 |  |  | $ | 164 |  |  | $ | 1,546 |  |  | $ | 3,691 |
|  | Term Loans Amortized Cost Basis by Origination Year |  |  | Revolving Loans |  |  |  |
|  | 2023 |  |  | 2022 |  |  | 2021 |  |  | 2020 |  |  | 2019 |  |  | Prior |  |  | Amortized Cost Basis |  |  | Total |
|  | (Dollars in thousands) |
Three months ended March 31, 2023 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Commercial real estate owner occupied |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Current-period gross charge-offs |  | $ | — |  |  | $ | 7 |  |  | $ | 1 |  |  | $ | 22 |  |  | $ | 18 |  |  | $ | — |  |  | $ | — |  |  | $ | 48 |
Commercial real estate non-owner occupied |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Current-period gross charge-offs |  |  | — |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | 3 |  |  |  | — |  |  |  | 3 |
Construction and development < 60 months |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Current-period gross charge-offs |  |  | — |  |  |  | 2 |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | 2 |
Construction residential real estate < 60 months |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Current-period gross charge-offs |  |  | — |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | — |
Residential real estate first lien |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Current-period gross charge-offs |  |  | — |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | 2 |  |  |  | — |  |  |  | 2 |
Residential real estate all other |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Current-period gross charge-offs |  |  | — |  |  |  | 2 |  |  |  | 19 |  |  |  | — |  |  |  | 1 |  |  |  | 4 |  |  |  | — |  |  |  | 26 |
Agriculture |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Current-period gross charge-offs |  |  | — |  |  |  | 4 |  |  |  | — |  |  |  | 16 |  |  |  | 13 |  |  |  | 2 |  |  |  | — |  |  |  | 35 |
Commercial non-real estate |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Current-period gross charge-offs |  |  | — |  |  |  | 67 |  |  |  | 62 |  |  |  | — |  |  |  | — |  |  |  | 47 |  |  |  | — |  |  |  | 176 |
Consumer non-real estate |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Current-period gross charge-offs |  |  | — |  |  |  | 76 |  |  |  | 32 |  |  |  | 15 |  |  |  | 9 |  |  |  | 6 |  |  |  | 2 |  |  |  | 140 |
Oil and gas |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Current-period gross charge-offs |  |  | — |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | — |
Total current-period gross charge-offs |  | $ | — |  |  | $ | 158 |  |  | $ | 114 |  |  | $ | 53 |  |  | $ | 41 |  |  | $ | 64 |  |  | $ | 2 |  |  | $ | 432 |
Activity in Allowance for Credit Losses on Loans | The following table details activity in the allowance for credit losses on loans for the period presented. Allocation of a portion of the allowance to one category of loans does not preclude its availability to absorb losses in other categories.
|  | Allowance for Credit Losses |
|  | Balance at beginning of period |  |  | Charge- offs |  |  | Recoveries |  |  | Net charge-offs |  |  | Provision for /(benefit from) credit losses on loans |  |  | Balance at end of period |
|  | (Dollars in thousands) |
Three Months Ended March 31, 2024 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Real estate: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Commercial real estate owner occupied |  | $ | 7,483 |  |  | $ | (15 | ) |  | $ | 20 |  |  | $ | 5 |  |  | $ | (20 | ) |  | $ | 7,468 |
Commercial real estate non-owner occupied |  |  | 33,080 |  |  |  | (13 | ) |  |  | — |  |  |  | (13 | ) |  |  | 113 |  |  |  | 33,180 |
Construction and development < 60 months |  |  | 3,950 |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | 2,646 |  |  |  | 6,596 |
Construction residential real estate < 60 months |  |  | 3,414 |  |  |  | (3 | ) |  |  | — |  |  |  | (3 | ) |  |  | 53 |  |  |  | 3,464 |
Residential real estate first lien |  |  | 4,914 |  |  |  | (23 | ) |  |  | 4 |  |  |  | (19 | ) |  |  | 28 |  |  |  | 4,923 |
Residential real estate all other |  |  | 1,646 |  |  |  | (29 | ) |  |  | 5 |  |  |  | (24 | ) |  |  | 30 |  |  |  | 1,652 |
Agriculture |  |  | 6,137 |  |  |  | (31 | ) |  |  | 12 |  |  |  | (19 | ) |  |  | 19 |  |  |  | 6,137 |
Commercial non-real estate |  |  | 22,745 |  |  |  | (3,054 | ) |  |  | 33 |  |  |  | (3,021 | ) |  |  | 758 |  |  |  | 20,482 |
Consumer non-real estate |  |  | 4,401 |  |  |  | (431 | ) |  |  | 69 |  |  |  | (362 | ) |  |  | 296 |  |  |  | 4,335 |
Oil and gas |  |  | 9,030 |  |  |  | (92 | ) |  |  | — |  |  |  | (92 | ) |  |  | 92 |  |  |  | 9,030 |
Total |  | $ | 96,800 |  |  | $ | (3,691 | ) |  | $ | 143 |  |  | $ | (3,548 | ) |  | $ | 4,015 |  |  | $ | 97,267 |
|  | Allowance for Credit Losses |
|  | Balance at beginning of period |  |  | Charge- offs |  |  | Recoveries |  |  | Net charge-offs |  |  | Provision for /(benefit from) credit losses on loans |  |  | Balance at end of period |
|  | (Dollars in thousands) |
Three Months Ended March 31, 2023 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Real estate: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Commercial real estate owner occupied |  | $ | 6,416 |  |  | $ | (48 | ) |  | $ | 49 |  |  | $ | 1 |  |  | $ | 130 |  |  | $ | 6,547 |
Commercial real estate non-owner occupied |  |  | 30,190 |  |  |  | (3 | ) |  |  | — |  |  |  | (3 | ) |  |  | 1,933 |  |  |  | 32,120 |
Construction and development < 60 months |  |  | 3,778 |  |  |  | (2 | ) |  |  | 3 |  |  |  | 1 |  |  |  | (171 | ) |  |  | 3,608 |
Construction residential real estate < 60 months |  |  | 3,275 |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | (49 | ) |  |  | 3,226 |
Residential real estate first lien |  |  | 4,092 |  |  |  | (2 | ) |  |  | 3 |  |  |  | 1 |  |  |  | 361 |  |  |  | 4,454 |
Residential real estate all other |  |  | 1,418 |  |  |  | (26 | ) |  |  | 2 |  |  |  | (24 | ) |  |  | 50 |  |  |  | 1,444 |
Agriculture |  |  | 6,217 |  |  |  | (35 | ) |  |  | 6 |  |  |  | (29 | ) |  |  | 80 |  |  |  | 6,268 |
Commercial non-real estate |  |  | 25,106 |  |  |  | (176 | ) |  |  | 22 |  |  |  | (154 | ) |  |  | 127 |  |  |  | 25,079 |
Consumer non-real estate |  |  | 4,132 |  |  |  | (140 | ) |  |  | 57 |  |  |  | (83 | ) |  |  | 183 |  |  |  | 4,232 |
Oil and gas |  |  | 8,104 |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | (322 | ) |  |  | 7,782 |
Total |  | $ | 92,728 |  |  | $ | (432 | ) |  | $ | 142 |  |  | $ | (290 | ) |  | $ | 2,322 |  |  | $ | 94,760 |
Collateral-Dependent Gross Loans Held for Investment by Collateral Type and Related Specific Allocation | The following table summarizes collateral-dependent gross loans held for investment by collateral type and the related specific allocation as follows:
|  | Collateral Type |  |  |  |  |  |  |
|  | Real Estate |  |  | Business Assets |  |  | Other Assets |  |  | Total |  |  | Specific Allocation |
|  | (Dollars in thousands) |  |  |  |  |  |  |
As of March 31, 2024 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Real estate: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Commercial real estate owner occupied |  | $ | — |  |  | $ | — |  |  | $ | — |  |  | $ | — |  |  | $ | — |
Commercial real estate non-owner occupied |  |  | 632 |  |  |  | — |  |  |  | — |  |  |  | 632 |  |  |  | 250 |
Construction and development < 60 months |  |  | 24,977 |  |  |  | — |  |  |  | — |  |  |  | 24,977 |  |  |  | 2,825 |
Construction residential real estate < 60 months |  |  | 628 |  |  |  | — |  |  |  | — |  |  |  | 628 |  |  |  | 134 |
Residential real estate first lien |  |  | 125 |  |  |  | — |  |  |  | — |  |  |  | 125 |  |  |  | 54 |
Residential real estate all other |  |  | 81 |  |  |  | — |  |  |  | — |  |  |  | 81 |  |  |  | 82 |
Agriculture |  |  | 1,837 |  |  |  | 490 |  |  |  | 15 |  |  |  | 2,342 |  |  |  | 1,386 |
Commercial non-real estate |  |  | — |  |  |  | 5,320 |  |  |  | 112 |  |  |  | 5,432 |  |  |  | 1,582 |
Consumer non-real estate |  |  | — |  |  |  | — |  |  |  | 280 |  |  |  | 280 |  |  |  | 140 |
Oil and gas |  |  | — |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | — |
Total collateral-dependent loans held for investment |  | $ | 28,280 |  |  | $ | 5,810 |  |  | $ | 407 |  |  | $ | 34,497 |  |  | $ | 6,453 |
|  | Collateral Type |  |  |  |  |  |  |
|  | Real Estate |  |  | Business Assets |  |  | Other Assets |  |  | Total |  |  | Specific Allocation |
|  | (Dollars in thousands) |  |  |  |  |  |  |
As of December 31, 2023 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Real estate: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Commercial real estate owner occupied |  | $ | — |  |  | $ | — |  |  | $ | — |  |  | $ | — |  |  | $ | — |
Commercial real estate non-owner occupied |  |  | 632 |  |  |  | — |  |  |  | — |  |  |  | 632 |  |  |  | 250 |
Construction and development < 60 months |  |  | 800 |  |  |  | — |  |  |  | — |  |  |  | 800 |  |  |  | 225 |
Construction residential real estate < 60 months |  |  | 638 |  |  |  | — |  |  |  | — |  |  |  | 638 |  |  |  | 134 |
Residential real estate first lien |  |  | 189 |  |  |  | — |  |  |  | — |  |  |  | 189 |  |  |  | 62 |
Residential real estate all other |  |  | 140 |  |  |  | — |  |  |  | — |  |  |  | 140 |  |  |  | 140 |
Agriculture |  |  | 1,841 |  |  |  | 593 |  |  |  | 15 |  |  |  | 2,449 |  |  |  | 1,386 |
Commercial non-real estate |  |  | — |  |  |  | 6,090 |  |  |  | 241 |  |  |  | 6,331 |  |  |  | 1,867 |
Consumer non-real estate |  |  | — |  |  |  | — |  |  |  | 147 |  |  |  | 147 |  |  |  | 88 |
Oil and gas |  |  | — |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | — |
Total collateral-dependent loans held for investment |  | $ | 4,240 |  |  | $ | 6,683 |  |  | $ | 403 |  |  | $ | 11,326 |  |  | $ | 4,152 |
Transfers from Loans and Premises and Equipment to Other Real Estate Owned and Repossessed Assets | Transfers from loans and premises and equipment to other real estate owned and repossessed assets during the periods presented are summarized as follows:
|  | Three Months Ended March 31, |
|  | 2024 |  |  | 2023 |
|  | (Dollars in thousands) |
Other real estate owned |  | $ | 1,582 |  |  | $ | 565 |
Repossessed assets |  |  | 455 |  |  |  | 395 |
Total |  | $ | 2,037 |  |  | $ | 960 |

X
- Definition Gross charge-off by year of origination. + References No definition available. + Details
Name: | banf_GrossChargeOffByYearOfOriginationTableTextBlock
Namespace Prefix: | banf_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition Schedule of collateral dependent gross loans held for investment by collateral type and related specific allocation. + References No definition available. + Details
Name: | banf_ScheduleOfCollateralDependentGrossLoansHeldForInvestmentByCollateralTypeAndRelatedSpecificAllocationTableTextBlock
Namespace Prefix: | banf_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition Summary of nonperforming and restructured assets. + References No definition available. + Details
Name: | banf_SummaryOfNonperformingAndRestructuredAssetsTableTextBlock
Namespace Prefix: | banf_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition Summary of rental income and operating expense table text block. + References No definition available. + Details
Name: | banf_SummaryOfRentalIncomeAndOperatingExpenseTableTextBlock
Namespace Prefix: | banf_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of allowance for credit loss on financing receivable. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 326 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 13 -Publisher FASB -URI https://asc.fasb.org//1943274/2147479319/326-20-50-13 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 11B -Publisher FASB -URI https://asc.fasb.org//1943274/2147481962/310-10-50-11B + Details
Name: | us-gaap_AllowanceForCreditLossesOnFinancingReceivablesTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of financing receivables by credit quality indicator. The credit quality indicator is a statistic about the credit quality of financing receivables. Examples include, but not limited to, consumer credit risk scores, credit-rating-agency ratings, an entity's internal credit risk grades, loan-to-value ratios, collateral, collection experience and other internal metrics. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 326 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 5 -Publisher FASB -URI https://asc.fasb.org//1943274/2147479319/326-20-50-5 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 29 -Publisher FASB -URI https://asc.fasb.org//1943274/2147481962/310-10-50-29 + Details
Name: | us-gaap_FinancingReceivableCreditQualityIndicatorsTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of aging analysis for financing receivable. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 326 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 14 -Publisher FASB -URI https://asc.fasb.org//1943274/2147479319/326-20-50-14 Reference 2: http://www.xbrl.org/2003/role/exampleRef -Topic 326 -SubTopic 20 -Name Accounting Standards Codification -Section 55 -Paragraph 80 -Publisher FASB -URI https://asc.fasb.org//1943274/2147479294/326-20-55-80 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 7 -Publisher FASB -URI https://asc.fasb.org//1943274/2147481962/310-10-50-7 Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 7A -Publisher FASB -URI https://asc.fasb.org//1943274/2147481962/310-10-50-7A + Details
Name: | us-gaap_PastDueFinancingReceivablesTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- References No definition available. + Details
Name: | us-gaap_ReceivablesAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of the various types of trade accounts and notes receivable and for each the gross carrying value, allowance, and net carrying value as of the balance sheet date. Presentation is categorized by current, noncurrent and unclassified receivables. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.3,4) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480566/210-10-S99-1 + Details
Name: | us-gaap_ScheduleOfAccountsNotesLoansAndFinancingReceivableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of supplemental cash flow information for the periods presented. + References No definition available. + Details
Name: | us-gaap_ScheduleOfCashFlowSupplementalDisclosuresTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of financing receivable on nonaccrual status. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 326 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 16 -Publisher FASB -URI https://asc.fasb.org//1943274/2147479319/326-20-50-16 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 7 -Publisher FASB -URI https://asc.fasb.org//1943274/2147481962/310-10-50-7 + Details
Name: | us-gaap_ScheduleOfFinancingReceivablesNonAccrualStatusTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration