v3.26.1
Loans and Allowance for Credit Losses - Risk Grade by Category of Loan and Year of Origination/Renewal (Details) - USD ($)
$ in Thousands
Mar. 31, 2026
Dec. 31, 2025
Financing Receivable Impaired [Line Items]    
2026 $ 2,038,899  
2025 3,260,273  
2024 2,277,005  
2023 2,946,323  
2022 4,618,069  
Prior 7,738,413  
Revolving Loans 2,394,223  
Revolving Loans Converted to Term Loans 14,781  
Total loans 25,287,986 $ 21,805,368
Current-period gross write-offs, 2026 1,452  
Current-period gross write-offs, 2025 911  
Current-period gross write-offs, 2024 158  
Current-period gross write-offs, 2023 1,753  
Current-period gross write-offs, 2022 2,982  
Current-period gross write-offs, Prior 571  
Current-period gross write-offs, Revolving Loans 28,568  
Current-period gross write-offs, Revolving Loans Converted to Term Loans 6,085  
Current-period gross write-offs, Total 42,480  
PCD Loans [Member]    
Financing Receivable Impaired [Line Items]    
2026 392  
2025 88,534  
2024 57,123  
2023 38,022  
2022 87,206  
Prior 130,140  
Revolving Loans 41,675  
Revolving Loans Converted to Term Loans 1,136  
Total loans 444,228  
Agriculture [Member]    
Financing Receivable Impaired [Line Items]    
Total loans 1,064,540 1,027,904
Warehouse Purchase Program [Member]    
Financing Receivable Impaired [Line Items]    
2026 1,433,152  
Total loans 1,433,152 1,304,798
Real Estate [Member] | Construction, Land Development and Other Land Loans [Member]    
Financing Receivable Impaired [Line Items]    
2026 130,506  
2025 1,087,309  
2024 439,593  
2023 445,822  
2022 589,763  
Prior 195,473  
Revolving Loans 364,923  
Total loans 3,253,389 2,741,455
Real Estate [Member] | Construction, Land Development and Other Land Loans [Member] | PCD Loans [Member]    
Financing Receivable Impaired [Line Items]    
2025 29,379  
2024 6,071  
2023 6,757  
2022 16,329  
Prior 8,156  
Revolving Loans 4,988  
Total loans 71,680  
Real Estate [Member] | Agriculture [Member]    
Financing Receivable Impaired [Line Items]    
2026 60,077  
2025 161,997  
2024 103,167  
2023 72,798  
2022 188,052  
Prior 221,768  
Revolving Loans 254,824  
Revolving Loans Converted to Term Loans 1,857  
Total loans 1,064,540  
Current-period gross write-offs, 2025 39  
Current-period gross write-offs, Prior 23  
Current-period gross write-offs, Total 62  
Real Estate [Member] | Agriculture [Member] | PCD Loans [Member]    
Financing Receivable Impaired [Line Items]    
2026 392  
2025 286  
2024 13,068  
2023 1,832  
2022 2,058  
Prior 7,882  
Revolving Loans 5,890  
Total loans 31,408  
Real Estate [Member] | 1-4 Family [Member]    
Financing Receivable Impaired [Line Items]    
2026 98,527  
2025 551,769  
2024 626,126  
2023 1,518,018  
2022 2,115,994  
Prior 3,688,493  
Revolving Loans 120,769  
Revolving Loans Converted to Term Loans 3,063  
Total loans [1] 8,722,759 8,274,637
Current-period gross write-offs, 2025 58  
Current-period gross write-offs, 2023 119  
Current-period gross write-offs, 2022 713  
Current-period gross write-offs, Prior 9  
Current-period gross write-offs, Total 899  
Real Estate [Member] | 1-4 Family [Member] | PCD Loans [Member]    
Financing Receivable Impaired [Line Items]    
2025 45  
2024 4,504  
2023 990  
2022 2,737  
Prior 3,863  
Revolving Loans 244  
Total loans 12,383  
Real Estate [Member] | Commercial Real Estate (Includes Multi-Family Residential) [Member]    
Financing Receivable Impaired [Line Items]    
2026 136,025  
2025 785,992  
2024 700,572  
2023 644,794  
2022 1,499,288  
Prior 3,220,236  
Revolving Loans 136,722  
Revolving Loans Converted to Term Loans 2,584  
Total loans 7,126,213 5,776,397
Current-period gross write-offs, Prior 221  
Current-period gross write-offs, Total 221  
Real Estate [Member] | Commercial Real Estate (Includes Multi-Family Residential) [Member] | PCD Loans [Member]    
Financing Receivable Impaired [Line Items]    
2025 35,776  
2024 26,525  
2023 25,104  
2022 62,619  
Prior 76,045  
Total loans 226,069  
Commercial and Industrial [Member]    
Financing Receivable Impaired [Line Items]    
2026 145,855  
2025 615,995  
2024 287,483  
2023 227,173  
2022 181,613  
Prior 360,429  
Revolving Loans 1,455,436  
Revolving Loans Converted to Term Loans 7,269  
Total loans 3,281,253 2,303,936
Current-period gross write-offs, 2025 740  
Current-period gross write-offs, 2024 151  
Current-period gross write-offs, 2023 1,634  
Current-period gross write-offs, 2022 2,269  
Current-period gross write-offs, Prior 299  
Current-period gross write-offs, Revolving Loans 28,498  
Current-period gross write-offs, Revolving Loans Converted to Term Loans 6,085  
Current-period gross write-offs, Total 39,676  
Commercial and Industrial [Member] | PCD Loans [Member]    
Financing Receivable Impaired [Line Items]    
2025 23,048  
2024 6,955  
2023 3,339  
2022 3,463  
Prior 32,425  
Revolving Loans 30,546  
Revolving Loans Converted to Term Loans 1,136  
Total loans 100,912  
Consumer and Other [Member]    
Financing Receivable Impaired [Line Items]    
2026 34,757  
2025 57,211  
2024 120,064  
2023 37,718  
2022 43,359  
Prior 52,014  
Revolving Loans 61,549  
Revolving Loans Converted to Term Loans 8  
Total loans 406,680 $ 376,241
Current-period gross write-offs, 2026 1,452  
Current-period gross write-offs, 2025 74  
Current-period gross write-offs, 2024 7  
Current-period gross write-offs, Prior 19  
Current-period gross write-offs, Revolving Loans 70  
Current-period gross write-offs, Total 1,622  
Consumer and Other [Member] | PCD Loans [Member]    
Financing Receivable Impaired [Line Items]    
Prior 1,769  
Revolving Loans 7  
Total loans 1,776  
Grade 1 [Member]    
Financing Receivable Impaired [Line Items]    
2026 26,743  
2025 52,044  
2024 19,810  
2023 6,096  
2022 2,773  
Prior 10,019  
Revolving Loans 72,203  
Revolving Loans Converted to Term Loans 118  
Total loans 189,806  
Grade 1 [Member] | Real Estate [Member] | Construction, Land Development and Other Land Loans [Member]    
Financing Receivable Impaired [Line Items]    
2024 330  
Prior 160  
Total loans 490  
Grade 1 [Member] | Real Estate [Member] | Agriculture [Member]    
Financing Receivable Impaired [Line Items]    
2026 1,373  
2025 3,545  
2024 338  
2023 150  
2022 4  
Revolving Loans 8,481  
Total loans 13,891  
Grade 1 [Member] | Real Estate [Member] | 1-4 Family [Member]    
Financing Receivable Impaired [Line Items]    
2023 67  
2022 130  
Prior 105  
Total loans 302  
Grade 1 [Member] | Real Estate [Member] | Commercial Real Estate (Includes Multi-Family Residential) [Member]    
Financing Receivable Impaired [Line Items]    
2023 406  
2022 1,259  
Prior 3,908  
Total loans 5,573  
Grade 1 [Member] | Commercial and Industrial [Member]    
Financing Receivable Impaired [Line Items]    
2026 17,272  
2025 29,419  
2024 14,163  
2023 3,465  
2022 829  
Prior 4,756  
Revolving Loans 62,032  
Revolving Loans Converted to Term Loans 118  
Total loans 132,054  
Grade 1 [Member] | Consumer and Other [Member]    
Financing Receivable Impaired [Line Items]    
2026 8,098  
2025 19,080  
2024 4,979  
2023 2,008  
2022 551  
Prior 1,090  
Revolving Loans 1,690  
Total loans 37,496  
Grade 2 [Member]    
Financing Receivable Impaired [Line Items]    
2026 7,505  
2025 24,193  
2024 102,326  
2023 18,651  
2022 32,686  
Prior 25,261  
Revolving Loans 43,973  
Total loans 254,595  
Grade 2 [Member] | Real Estate [Member] | Construction, Land Development and Other Land Loans [Member]    
Financing Receivable Impaired [Line Items]    
2026 949  
2025 4,036  
2024 505  
2023 480  
Prior 115  
Total loans 6,085  
Grade 2 [Member] | Real Estate [Member] | Agriculture [Member]    
Financing Receivable Impaired [Line Items]    
2025 60  
2023 4  
2022 2,283  
Prior 1,002  
Total loans 3,349  
Grade 2 [Member] | Real Estate [Member] | 1-4 Family [Member]    
Financing Receivable Impaired [Line Items]    
2026 97  
2025 774  
2024 927  
2023 378  
2022 545  
Prior 5,194  
Total loans 7,915  
Grade 2 [Member] | Real Estate [Member] | Commercial Real Estate (Includes Multi-Family Residential) [Member]    
Financing Receivable Impaired [Line Items]    
2026 413  
2025 3,866  
2024 6,271  
2023 1,702  
2022 2,941  
Prior 16,465  
Total loans 31,658  
Grade 2 [Member] | Commercial and Industrial [Member]    
Financing Receivable Impaired [Line Items]    
2026 5,788  
2025 3,018  
2024 4,564  
2023 1,905  
2022 6,826  
Prior 548  
Revolving Loans 42,989  
Total loans 65,638  
Grade 2 [Member] | Consumer and Other [Member]    
Financing Receivable Impaired [Line Items]    
2026 258  
2025 12,439  
2024 90,059  
2023 14,182  
2022 20,091  
Prior 1,937  
Revolving Loans 984  
Total loans 139,950  
Grade 3 [Member]    
Financing Receivable Impaired [Line Items]    
2026 1,946,329  
2025 2,714,131  
2024 1,819,189  
2023 2,489,652  
2022 3,556,377  
Prior 6,196,836  
Revolving Loans 2,019,137  
Revolving Loans Converted to Term Loans 8,757  
Total loans 20,750,408  
Grade 3 [Member] | Warehouse Purchase Program [Member]    
Financing Receivable Impaired [Line Items]    
2026 1,433,152  
Total loans 1,433,152  
Grade 3 [Member] | Real Estate [Member] | Construction, Land Development and Other Land Loans [Member]    
Financing Receivable Impaired [Line Items]    
2026 119,475  
2025 938,505  
2024 349,210  
2023 280,634  
2022 339,991  
Prior 143,834  
Revolving Loans 314,450  
Total loans 2,486,099  
Grade 3 [Member] | Real Estate [Member] | Agriculture [Member]    
Financing Receivable Impaired [Line Items]    
2026 47,020  
2025 119,093  
2024 76,602  
2023 55,259  
2022 156,828  
Prior 170,898  
Revolving Loans 194,335  
Revolving Loans Converted to Term Loans 233  
Total loans 820,268  
Grade 3 [Member] | Real Estate [Member] | 1-4 Family [Member]    
Financing Receivable Impaired [Line Items]    
2026 91,593  
2025 524,587  
2024 602,835  
2023 1,488,977  
2022 2,058,373  
Prior 3,550,195  
Revolving Loans 112,370  
Revolving Loans Converted to Term Loans 3,021  
Total loans 8,431,951  
Grade 3 [Member] | Real Estate [Member] | Commercial Real Estate (Includes Multi-Family Residential) [Member]    
Financing Receivable Impaired [Line Items]    
2026 127,894  
2025 585,498  
2024 533,244  
2023 457,316  
2022 860,614  
Prior 2,008,887  
Revolving Loans 119,326  
Revolving Loans Converted to Term Loans 2,584  
Total loans 4,695,363  
Grade 3 [Member] | Commercial and Industrial [Member]    
Financing Receivable Impaired [Line Items]    
2026 100,819  
2025 521,239  
2024 232,816  
2023 186,223  
2022 117,886  
Prior 293,785  
Revolving Loans 1,227,165  
Revolving Loans Converted to Term Loans 2,919  
Total loans 2,682,852  
Grade 3 [Member] | Consumer and Other [Member]    
Financing Receivable Impaired [Line Items]    
2026 26,376  
2025 25,209  
2024 24,482  
2023 21,243  
2022 22,685  
Prior 29,237  
Revolving Loans 51,491  
Total loans 200,723  
Grade 4 [Member]    
Financing Receivable Impaired [Line Items]    
2026 38,544  
2025 360,581  
2024 208,626  
2023 367,539  
2022 875,525  
Prior 1,086,033  
Revolving Loans 201,569  
Revolving Loans Converted to Term Loans 4,488  
Total loans 3,142,905  
Grade 4 [Member] | Real Estate [Member] | Construction, Land Development and Other Land Loans [Member]    
Financing Receivable Impaired [Line Items]    
2026 10,082  
2025 114,267  
2024 82,287  
2023 157,807  
2022 233,400  
Prior 37,207  
Revolving Loans 44,985  
Total loans 680,035  
Grade 4 [Member] | Real Estate [Member] | Agriculture [Member]    
Financing Receivable Impaired [Line Items]    
2026 8,737  
2025 35,523  
2024 11,664  
2023 14,914  
2022 26,112  
Prior 38,307  
Revolving Loans 46,118  
Revolving Loans Converted to Term Loans 1,374  
Total loans 182,749  
Grade 4 [Member] | Real Estate [Member] | 1-4 Family [Member]    
Financing Receivable Impaired [Line Items]    
2026 6,495  
2025 23,309  
2024 13,035  
2023 17,624  
2022 34,889  
Prior 91,296  
Revolving Loans 8,079  
Revolving Loans Converted to Term Loans 42  
Total loans 194,769  
Grade 4 [Member] | Real Estate [Member] | Commercial Real Estate (Includes Multi-Family Residential) [Member]    
Financing Receivable Impaired [Line Items]    
2026 3,730  
2025 151,080  
2024 77,481  
2023 148,430  
2022 551,823  
Prior 875,456  
Revolving Loans 13,574  
Total loans 1,821,574  
Grade 4 [Member] | Commercial and Industrial [Member]    
Financing Receivable Impaired [Line Items]    
2026 9,475  
2025 36,264  
2024 23,631  
2023 28,575  
2022 29,269  
Prior 25,917  
Revolving Loans 82,507  
Revolving Loans Converted to Term Loans 3,072  
Total loans 238,710  
Grade 4 [Member] | Consumer and Other [Member]    
Financing Receivable Impaired [Line Items]    
2026 25  
2025 138  
2024 528  
2023 189  
2022 32  
Prior 17,850  
Revolving Loans 6,306  
Total loans 25,068  
Grade 5 [Member]    
Financing Receivable Impaired [Line Items]    
2026 7,285  
2025 12,025  
2024 32,405  
2023 3,997  
2022 28,959  
Prior 180,672  
Revolving Loans 8,020  
Revolving Loans Converted to Term Loans  
Total loans 273,363  
Grade 5 [Member] | Real Estate [Member] | Construction, Land Development and Other Land Loans [Member]    
Financing Receivable Impaired [Line Items]    
2025 220  
2024 1,140  
Prior 5,231  
Revolving Loans 500  
Total loans 7,091  
Grade 5 [Member] | Real Estate [Member] | Agriculture [Member]    
Financing Receivable Impaired [Line Items]    
2026 2,555  
2025 3,490  
2024 1,123  
2023 639  
2022 544  
Prior 2,776  
Total loans 11,127  
Grade 5 [Member] | Real Estate [Member] | 1-4 Family [Member]    
Financing Receivable Impaired [Line Items]    
2026 342  
2025 2,803  
2024 2,162  
2023 464  
2022 1,126  
Prior 4,939  
Total loans 11,836  
Grade 5 [Member] | Real Estate [Member] | Commercial Real Estate (Includes Multi-Family Residential) [Member]    
Financing Receivable Impaired [Line Items]    
2026 3,988  
2025 4,636  
2024 27,550  
2023 2,297  
2022 6,609  
Prior 167,685  
Revolving Loans 2,837  
Total loans 215,602  
Grade 5 [Member] | Commercial and Industrial [Member]    
Financing Receivable Impaired [Line Items]    
2026 400  
2025 531  
2024 430  
2023 573  
2022 20,680  
Prior 41  
Revolving Loans 4,472  
Total loans 27,127  
Grade 5 [Member] | Consumer and Other [Member]    
Financing Receivable Impaired [Line Items]    
2025 345  
2024 0  
2023 24  
Prior 0  
Revolving Loans 211  
Revolving Loans Converted to Term Loans 0  
Total loans 580  
Grade 6 [Member]    
Financing Receivable Impaired [Line Items]    
2025 7,737  
2024 32,700  
2023 9,466  
2022 15,475  
Prior 74,199  
Revolving Loans 5,742  
Revolving Loans Converted to Term Loans 32  
Total loans 145,351  
Grade 6 [Member] | Real Estate [Member] | Construction, Land Development and Other Land Loans [Member]    
Financing Receivable Impaired [Line Items]    
2025 902  
2023 12  
Prior 570  
Total loans 1,484  
Grade 6 [Member] | Real Estate [Member] | Agriculture [Member]    
Financing Receivable Impaired [Line Items]    
2024 2  
Total loans 2  
Grade 6 [Member] | Real Estate [Member] | 1-4 Family [Member]    
Financing Receivable Impaired [Line Items]    
2025 251  
2024 2,256  
2023 2,292  
2022 606  
Prior 3,247  
Revolving Loans 76  
Total loans 8,728  
Grade 6 [Member] | Real Estate [Member] | Commercial Real Estate (Includes Multi-Family Residential) [Member]    
Financing Receivable Impaired [Line Items]    
2025 4,641  
2024 28,570  
2023 4,421  
2022 12,209  
Prior 70,005  
Total loans 119,846  
Grade 6 [Member] | Commercial and Industrial [Member]    
Financing Receivable Impaired [Line Items]    
2025 1,943  
2024 1,856  
2023 2,691  
2022 2,660  
Prior 375  
Revolving Loans 5,666  
Revolving Loans Converted to Term Loans 24  
Total loans 15,215  
Grade 6 [Member] | Consumer and Other [Member]    
Financing Receivable Impaired [Line Items]    
2024 16  
2023 50  
Prior 2  
Revolving Loans Converted to Term Loans 8  
Total loans 76  
Grade 7 [Member]    
Financing Receivable Impaired [Line Items]    
2026 12,101  
2025 1,028  
2024 4,826  
2023 12,900  
2022 19,068  
Prior 35,253  
Revolving Loans 1,904  
Revolving Loans Converted to Term Loans 250  
Total loans 87,330  
Grade 7 [Member] | Real Estate [Member] | Construction, Land Development and Other Land Loans [Member]    
Financing Receivable Impaired [Line Items]    
2024 50  
2023 132  
2022 43  
Prior 200  
Total loans 425  
Grade 7 [Member] | Real Estate [Member] | Agriculture [Member]    
Financing Receivable Impaired [Line Items]    
2024 370  
2022 223  
Prior 903  
Revolving Loans 0  
Revolving Loans Converted to Term Loans 250  
Grade 7 [Member] | Real Estate [Member] | 1-4 Family [Member]    
Financing Receivable Impaired [Line Items]    
2024 407  
2023 7,226  
2022 17,588  
Prior 29,654  
Total loans 54,875  
Grade 7 [Member] | Real Estate [Member] | Commercial Real Estate (Includes Multi-Family Residential) [Member]    
Financing Receivable Impaired [Line Items]    
2025 495  
2024 931  
2023 5,118  
2022 1,214  
Prior 1,785  
Revolving Loans 985  
Total loans 10,528  
Grade 7 [Member] | Commercial and Industrial [Member]    
Financing Receivable Impaired [Line Items]    
2026 12,101  
2025 533  
2024 3,068  
2023 402  
2022 0  
Prior 2,582  
Revolving Loans 59  
Total loans 18,745  
Grade 7 [Member] | Consumer and Other [Member]    
Financing Receivable Impaired [Line Items]    
2023 22  
Prior 129  
Revolving Loans 860  
Total loans $ 1,011  
[1] Includes $21.9 million and $14.2 million of residential mortgage loans held for sale at March 31, 2026, and December 31, 2025, respectively.