v3.26.1
Loans and Allowance for Credit Losses - Risk Grade by Category of Loan and Year of Origination/Renewal (Details) - USD ($)
$ in Thousands
Jun. 30, 2026
Dec. 31, 2025
Financing Receivable Impaired [Line Items]    
2026 $ 2,741,983  
2025 3,157,177  
2024 2,135,599  
2023 2,810,088  
2022 4,468,755  
Prior 7,356,697  
Revolving Loans 2,350,828  
Revolving Loans Converted to Term Loans 6,871  
Total loans 25,027,998 $ 21,805,368
Current-period gross write-offs, 2026 4,183  
Current-period gross write-offs, 2025 961  
Current-period gross write-offs, 2024 400  
Current-period gross write-offs, 2023 2,506  
Current-period gross write-offs, 2022 3,029  
Current-period gross write-offs, Prior 593  
Current-period gross write-offs, Revolving Loans 30,015  
Current-period gross write-offs, Revolving Loans Converted to Term Loans 6,109  
Current-period gross write-offs, Total 47,796  
PCD Loans [Member]    
Financing Receivable Impaired [Line Items]    
2026 389  
2025 61,211  
2024 51,175  
2023 36,644  
2022 70,138  
Prior 119,583  
Revolving Loans 36,161  
Total loans 375,301  
Agriculture [Member]    
Financing Receivable Impaired [Line Items]    
Total loans 1,066,122 1,027,904
Warehouse Purchase Program [Member]    
Financing Receivable Impaired [Line Items]    
2026 1,290,156  
Total loans 1,290,156 1,304,798
Real Estate [Member] | Construction, Land Development and Other Land Loans [Member]    
Financing Receivable Impaired [Line Items]    
2026 273,230  
2025 1,029,627  
2024 393,697  
2023 412,439  
2022 500,568  
Prior 151,835  
Revolving Loans 381,858  
Revolving Loans Converted to Term Loans 353  
Total loans 3,143,607 2,741,455
Current-period gross write-offs, 2024 50  
Current-period gross write-offs, Total 50  
Real Estate [Member] | Construction, Land Development and Other Land Loans [Member] | PCD Loans [Member]    
Financing Receivable Impaired [Line Items]    
2025 26,922  
2024 4,719  
2023 6,378  
2022 10,149  
Prior 4,433  
Revolving Loans 4,039  
Total loans 56,640  
Real Estate [Member] | Agriculture [Member]    
Financing Receivable Impaired [Line Items]    
2026 123,777  
2025 150,458  
2024 97,328  
2023 67,939  
2022 181,163  
Prior 206,974  
Revolving Loans 238,402  
Revolving Loans Converted to Term Loans 81  
Total loans 1,066,122  
Current-period gross write-offs, 2025 39  
Current-period gross write-offs, 2024 40  
Current-period gross write-offs, Prior 23  
Current-period gross write-offs, Revolving Loans 35  
Current-period gross write-offs, Total 137  
Real Estate [Member] | Agriculture [Member] | PCD Loans [Member]    
Financing Receivable Impaired [Line Items]    
2026 389  
2025 269  
2024 13,068  
2023 1,813  
2022 3,434  
Prior 3,684  
Revolving Loans 5,899  
Total loans 28,556  
Real Estate [Member] | 1-4 Family [Member]    
Financing Receivable Impaired [Line Items]    
2026 232,164  
2025 563,250  
2024 615,562  
2023 1,452,000  
2022 2,058,194  
Prior 3,557,327  
Revolving Loans 124,337  
Revolving Loans Converted to Term Loans 1,941  
Total loans [1] 8,604,775 8,274,637
Current-period gross write-offs, 2025 58  
Current-period gross write-offs, 2023 485  
Current-period gross write-offs, 2022 713  
Current-period gross write-offs, Prior 9  
Current-period gross write-offs, Revolving Loans 19  
Current-period gross write-offs, Total 1,284  
Real Estate [Member] | 1-4 Family [Member] | PCD Loans [Member]    
Financing Receivable Impaired [Line Items]    
2025 44  
2024 4,464  
2023 900  
2022 1,627  
Prior 3,248  
Revolving Loans 243  
Total loans 10,526  
Real Estate [Member] | Commercial Real Estate (Includes Multi-Family Residential) [Member]    
Financing Receivable Impaired [Line Items]    
2026 428,703  
2025 784,406  
2024 662,032  
2023 640,315  
2022 1,533,142  
Prior 3,028,989  
Revolving Loans 142,849  
Revolving Loans Converted to Term Loans 542  
Total loans 7,220,978 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 11,031  
2024 22,499  
2023 24,459  
2022 52,017  
Prior 75,008  
Total loans 185,014  
Commercial and Industrial [Member]    
Financing Receivable Impaired [Line Items]    
2026 323,433  
2025 584,619  
2024 256,213  
2023 204,103  
2022 154,767  
Prior 363,939  
Revolving Loans 1,399,765  
Revolving Loans Converted to Term Loans 3,253  
Total loans 3,290,092 2,303,936
Current-period gross write-offs, 2026 802  
Current-period gross write-offs, 2025 782  
Current-period gross write-offs, 2024 295  
Current-period gross write-offs, 2023 2,016  
Current-period gross write-offs, 2022 2,306  
Current-period gross write-offs, Prior 315  
Current-period gross write-offs, Revolving Loans 29,832  
Current-period gross write-offs, Revolving Loans Converted to Term Loans 6,109  
Current-period gross write-offs, Total 42,457  
Commercial and Industrial [Member] | PCD Loans [Member]    
Financing Receivable Impaired [Line Items]    
2025 22,945  
2024 6,425  
2023 3,094  
2022 2,911  
Prior 31,637  
Revolving Loans 25,980  
Total loans 92,992  
Consumer and Other [Member]    
Financing Receivable Impaired [Line Items]    
2026 70,520  
2025 44,817  
2024 110,767  
2023 33,292  
2022 40,921  
Prior 47,633  
Revolving Loans 63,617  
Revolving Loans Converted to Term Loans 701  
Total loans 412,268 $ 376,241
Current-period gross write-offs, 2026 3,381  
Current-period gross write-offs, 2025 82  
Current-period gross write-offs, 2024 15  
Current-period gross write-offs, 2023 5  
Current-period gross write-offs, 2022 10  
Current-period gross write-offs, Prior 25  
Current-period gross write-offs, Revolving Loans 129  
Current-period gross write-offs, Total 3,647  
Consumer and Other [Member] | PCD Loans [Member]    
Financing Receivable Impaired [Line Items]    
Prior 1,573  
Total loans 1,573  
Grade 1 [Member]    
Financing Receivable Impaired [Line Items]    
2026 34,380  
2025 44,143  
2024 17,542  
2023 4,507  
2022 1,232  
Prior 6,004  
Revolving Loans 80,191  
Revolving Loans Converted to Term Loans 80  
Total loans 188,079  
Grade 1 [Member] | Real Estate [Member] | Agriculture [Member]    
Financing Receivable Impaired [Line Items]    
2026 1,448  
2025 2,427  
2024 309  
2023 149  
2022 3  
Prior 89  
Revolving Loans 9,249  
Total loans 13,674  
Grade 1 [Member] | Real Estate [Member] | 1-4 Family [Member]    
Financing Receivable Impaired [Line Items]    
2023 67  
2022 125  
Prior 104  
Total loans 296  
Grade 1 [Member] | Commercial and Industrial [Member]    
Financing Receivable Impaired [Line Items]    
2026 18,386  
2025 27,837  
2024 12,629  
2023 2,876  
2022 614  
Prior 4,552  
Revolving Loans 68,469  
Revolving Loans Converted to Term Loans 80  
Total loans 135,443  
Grade 1 [Member] | Consumer and Other [Member]    
Financing Receivable Impaired [Line Items]    
2026 14,546  
2025 13,879  
2024 4,604  
2023 1,415  
2022 490  
Prior 1,259  
Revolving Loans 2,473  
Total loans 38,666  
Grade 2 [Member]    
Financing Receivable Impaired [Line Items]    
2026 6,848  
2025 20,119  
2024 117,656  
2023 17,777  
2022 33,531  
Prior 26,026  
Revolving Loans 47,647  
Total loans 269,604  
Grade 2 [Member] | Real Estate [Member] | Construction, Land Development and Other Land Loans [Member]    
Financing Receivable Impaired [Line Items]    
2025 2,941  
2024 327  
2023 461  
Prior 262  
Total loans 3,991  
Grade 2 [Member] | Real Estate [Member] | Agriculture [Member]    
Financing Receivable Impaired [Line Items]    
2025 60  
2023 2  
2022 2,270  
Prior 978  
Total loans 3,310  
Grade 2 [Member] | Real Estate [Member] | 1-4 Family [Member]    
Financing Receivable Impaired [Line Items]    
2026 97  
2025 4,226  
2024 910  
2023 374  
2022 415  
Prior 5,026  
Total loans 11,048  
Grade 2 [Member] | Real Estate [Member] | Commercial Real Estate (Includes Multi-Family Residential) [Member]    
Financing Receivable Impaired [Line Items]    
2026 409  
2025 4,958  
2024 27,996  
2023 1,686  
2022 4,105  
Prior 19,080  
Total loans 58,234  
Grade 2 [Member] | Commercial and Industrial [Member]    
Financing Receivable Impaired [Line Items]    
2026 5,938  
2025 270  
2024 4,523  
2023 1,205  
2022 6,790  
Prior 680  
Revolving Loans 45,774  
Total loans 65,180  
Grade 2 [Member] | Consumer and Other [Member]    
Financing Receivable Impaired [Line Items]    
2026 404  
2025 7,664  
2024 83,900  
2023 14,049  
2022 19,951  
Revolving Loans 1,873  
Total loans 127,841  
Grade 3 [Member]    
Financing Receivable Impaired [Line Items]    
2026 2,567,102  
2025 2,473,487  
2024 1,512,568  
2023 2,293,595  
2022 3,189,306  
Prior 5,572,493  
Revolving Loans 1,583,576  
Revolving Loans Converted to Term Loans 3,618  
Total loans 19,195,745  
Grade 3 [Member] | Warehouse Purchase Program [Member]    
Financing Receivable Impaired [Line Items]    
2026 1,290,156  
Total loans 1,290,156  
Grade 3 [Member] | Real Estate [Member] | Construction, Land Development and Other Land Loans [Member]    
Financing Receivable Impaired [Line Items]    
2026 251,510  
2025 847,097  
2024 282,398  
2023 256,468  
2022 188,810  
Prior 98,414  
Revolving Loans 155,845  
Revolving Loans Converted to Term Loans 353  
Total loans 2,080,895  
Grade 3 [Member] | Real Estate [Member] | Agriculture [Member]    
Financing Receivable Impaired [Line Items]    
2026 97,606  
2025 109,159  
2024 67,034  
2023 51,888  
2022 143,724  
Prior 157,509  
Revolving Loans 186,139  
Revolving Loans Converted to Term Loans 81  
Total loans 813,140  
Grade 3 [Member] | Real Estate [Member] | 1-4 Family [Member]    
Financing Receivable Impaired [Line Items]    
2026 219,217  
2025 528,263  
2024 580,486  
2023 1,409,466  
2022 1,947,578  
Prior 3,303,732  
Revolving Loans 112,127  
Revolving Loans Converted to Term Loans 1,941  
Total loans 8,102,810  
Grade 3 [Member] | Real Estate [Member] | Commercial Real Estate (Includes Multi-Family Residential) [Member]    
Financing Receivable Impaired [Line Items]    
2026 390,571  
2025 546,592  
2024 386,639  
2023 411,034  
2022 803,900  
Prior 1,722,534  
Revolving Loans 94,792  
Revolving Loans Converted to Term Loans 150  
Total loans 4,356,212  
Grade 3 [Member] | Commercial and Industrial [Member]    
Financing Receivable Impaired [Line Items]    
2026 262,697  
2025 422,126  
2024 175,611  
2023 149,748  
2022 85,870  
Prior 265,352  
Revolving Loans 989,549  
Revolving Loans Converted to Term Loans 392  
Total loans 2,351,345  
Grade 3 [Member] | Consumer and Other [Member]    
Financing Receivable Impaired [Line Items]    
2026 55,345  
2025 20,250  
2024 20,400  
2023 14,991  
2022 19,424  
Prior 24,952  
Revolving Loans 45,124  
Revolving Loans Converted to Term Loans 701  
Total loans 201,187  
Grade 4 [Member]    
Financing Receivable Impaired [Line Items]    
2026 115,256  
2025 525,848  
2024 371,818  
2023 403,182  
2022 1,059,252  
Prior 1,336,773  
Revolving Loans 532,804  
Revolving Loans Converted to Term Loans 3,173  
Total loans 4,348,106  
Grade 4 [Member] | Real Estate [Member] | Construction, Land Development and Other Land Loans [Member]    
Financing Receivable Impaired [Line Items]    
2026 21,720  
2025 149,091  
2024 105,118  
2023 125,381  
2022 291,474  
Prior 42,315  
Revolving Loans 212,379  
Total loans 947,478  
Grade 4 [Member] | Real Estate [Member] | Agriculture [Member]    
Financing Receivable Impaired [Line Items]    
2026 21,470  
2025 33,082  
2024 16,214  
2023 13,466  
2022 31,002  
Prior 41,014  
Revolving Loans 36,981  
Total loans 193,229  
Grade 4 [Member] | Real Estate [Member] | 1-4 Family [Member]    
Financing Receivable Impaired [Line Items]    
2026 12,339  
2025 27,467  
2024 24,278  
2023 32,184  
2022 77,526  
Prior 205,721  
Revolving Loans 11,900  
Total loans 391,415  
Grade 4 [Member] | Real Estate [Member] | Commercial Real Estate (Includes Multi-Family Residential) [Member]    
Financing Receivable Impaired [Line Items]    
2026 37,723  
2025 206,488  
2024 175,434  
2023 186,478  
2022 629,031  
Prior 973,005  
Revolving Loans 37,119  
Revolving Loans Converted to Term Loans 392  
Total loans 2,245,670  
Grade 4 [Member] | Commercial and Industrial [Member]    
Financing Receivable Impaired [Line Items]    
2026 21,805  
2025 107,280  
2024 48,931  
2023 43,077  
2022 29,163  
Prior 56,376  
Revolving Loans 221,324  
Revolving Loans Converted to Term Loans 2,781  
Total loans 530,737  
Grade 4 [Member] | Consumer and Other [Member]    
Financing Receivable Impaired [Line Items]    
2026 199  
2025 2,440  
2024 1,843  
2023 2,596  
2022 1,056  
Prior 18,342  
Revolving Loans 13,101  
Total loans 39,577  
Grade 5 [Member]    
Financing Receivable Impaired [Line Items]    
2026 5,789  
2025 19,229  
2024 38,457  
2023 35,596  
2022 71,995  
Prior 192,405  
Revolving Loans 56,810  
Total loans 420,281  
Grade 5 [Member] | Real Estate [Member] | Construction, Land Development and Other Land Loans [Member]    
Financing Receivable Impaired [Line Items]    
2025 203  
2024 1,135  
2023 23,690  
2022 10,040  
Prior 5,202  
Revolving Loans 8,159  
Total loans 48,429  
Grade 5 [Member] | Real Estate [Member] | Agriculture [Member]    
Financing Receivable Impaired [Line Items]    
2026 2,864  
2025 5,461  
2024 702  
2023 621  
2022 535  
Prior 2,570  
Revolving Loans 134  
Total loans 12,887  
Grade 5 [Member] | Real Estate [Member] | 1-4 Family [Member]    
Financing Receivable Impaired [Line Items]    
2026 338  
2025 2,663  
2024 2,153  
2023 451  
2022 10,362  
Prior 6,643  
Total loans 22,610  
Grade 5 [Member] | Real Estate [Member] | Commercial Real Estate (Includes Multi-Family Residential) [Member]    
Financing Receivable Impaired [Line Items]    
2025 8,808  
2024 31,611  
2023 9,292  
2022 24,310  
Prior 174,020  
Revolving Loans 6,800  
Total loans 254,841  
Grade 5 [Member] | Commercial and Industrial [Member]    
Financing Receivable Impaired [Line Items]    
2026 2,582  
2025 1,529  
2024 2,856  
2023 1,367  
2022 26,748  
Prior 2,600  
Revolving Loans 41,533  
Total loans 79,215  
Grade 5 [Member] | Consumer and Other [Member]    
Financing Receivable Impaired [Line Items]    
2026 5  
2025 565  
2023 175  
Prior 1,370  
Revolving Loans 184  
Total loans 2,299  
Grade 6 [Member]    
Financing Receivable Impaired [Line Items]    
2026 999  
2025 10,418  
2024 20,446  
2023 6,462  
2022 21,713  
Prior 69,041  
Revolving Loans 11,725  
Total loans 140,804  
Grade 6 [Member] | Real Estate [Member] | Construction, Land Development and Other Land Loans [Member]    
Financing Receivable Impaired [Line Items]    
2025 1,917  
Prior 1,115  
Revolving Loans 1,436  
Total loans 4,468  
Grade 6 [Member] | Real Estate [Member] | Agriculture [Member]    
Financing Receivable Impaired [Line Items]    
2024 1  
Total loans 1  
Grade 6 [Member] | Real Estate [Member] | 1-4 Family [Member]    
Financing Receivable Impaired [Line Items]    
2026 173  
2025 369  
2024 1,700  
2023 1,797  
2022 2,328  
Prior 3,039  
Total loans 9,406  
Grade 6 [Member] | Real Estate [Member] | Commercial Real Estate (Includes Multi-Family Residential) [Member]    
Financing Receivable Impaired [Line Items]    
2025 6,093  
2024 16,565  
2023 2,272  
2022 16,865  
Prior 64,549  
Revolving Loans 3,153  
Total loans 109,497  
Grade 6 [Member] | Commercial and Industrial [Member]    
Financing Receivable Impaired [Line Items]    
2026 826  
2025 2,039  
2024 2,166  
2022 2,520  
Prior 330  
Revolving Loans 7,136  
Total loans 17,364  
Grade 6 [Member] | Consumer and Other [Member]    
Financing Receivable Impaired [Line Items]    
2024 14  
2023 46  
Prior 8  
Total loans 68  
Grade 7 [Member]    
Financing Receivable Impaired [Line Items]    
2026 11,220  
2025 2,722  
2024 5,937  
2023 12,325  
2022 21,588  
Prior 34,372  
Revolving Loans 1,914  
Total loans 90,078  
Grade 7 [Member] | Real Estate [Member] | Construction, Land Development and Other Land Loans [Member]    
Financing Receivable Impaired [Line Items]    
2025 1,456  
2023 61  
2022 95  
Prior 94  
Total loans 1,706  
Grade 7 [Member] | Real Estate [Member] | Agriculture [Member]    
Financing Receivable Impaired [Line Items]    
2022 195  
Prior 1,130  
Total loans 1,325  
Grade 7 [Member] | Real Estate [Member] | 1-4 Family [Member]    
Financing Receivable Impaired [Line Items]    
2025 218  
2024 1,571  
2023 6,761  
2022 18,233  
Prior 29,814  
Revolving Loans 67  
Total loans 56,664  
Grade 7 [Member] | Real Estate [Member] | Commercial Real Estate (Includes Multi-Family Residential) [Member]    
Financing Receivable Impaired [Line Items]    
2025 436  
2024 1,288  
2023 5,094  
2022 2,914  
Prior 793  
Revolving Loans 985  
Total loans 11,510  
Grade 7 [Member] | Commercial and Industrial [Member]    
Financing Receivable Impaired [Line Items]    
2026 11,199  
2025 593  
2024 3,072  
2023 389  
2022 151  
Prior 2,412  
Total loans 17,816  
Grade 7 [Member] | Consumer and Other [Member]    
Financing Receivable Impaired [Line Items]    
2026 21  
2025 19  
2024 6  
2023 20  
Prior 129  
Revolving Loans 862  
Total loans $ 1,057  
[1] Includes $18.7 million and $14.2 million of residential mortgage loans held for sale at June 30, 2026, and December 31, 2025, respectively.