Loans Held-for-Investment and Allowance for Credit Losses - Schedule of Company's Internal Ratings of its Loans Held-for-Investment, Including The Year of Origination, by Portfolio Segments (Detail) - USD ($)
$ in Thousands |
Mar. 31, 2026 |
Dec. 31, 2025 |
| Financing Receivable, Credit Quality Indicator [Line Items] |
|
|
| 2026 |
$ 868,379
|
|
| 2025 |
2,755,342
|
$ 3,092,148
|
| 2024 |
1,256,967
|
1,422,150
|
| 2023 |
726,755
|
800,553
|
| 2022 |
1,159,212
|
1,227,189
|
| 2021 |
|
672,313
|
| Prior |
1,270,533
|
700,700
|
| Revolving Loans Amortized Cost Basis |
247,932
|
243,223
|
| Total |
8,285,120
|
8,158,276
|
| C&I [Member] |
|
|
| Financing Receivable, Credit Quality Indicator [Line Items] |
|
|
| 2026 |
185,870
|
|
| 2025 |
551,304
|
650,545
|
| 2024 |
168,631
|
193,758
|
| 2023 |
90,950
|
105,170
|
| 2022 |
89,346
|
96,979
|
| 2021 |
|
33,479
|
| Prior |
63,830
|
36,530
|
| Revolving Loans Amortized Cost Basis |
0
|
0
|
| Total |
1,149,931
|
1,116,461
|
| Municipal [Member] |
|
|
| Financing Receivable, Credit Quality Indicator [Line Items] |
|
|
| 2026 |
66,737
|
|
| 2025 |
129,898
|
143,286
|
| 2024 |
29,342
|
31,910
|
| 2023 |
22,544
|
22,971
|
| 2022 |
65,198
|
70,735
|
| 2021 |
|
9,760
|
| Prior |
70,754
|
63,839
|
| Revolving Loans Amortized Cost Basis |
0
|
0
|
| Total |
384,473
|
342,501
|
| Construction & Development [Member] |
|
|
| Financing Receivable, Credit Quality Indicator [Line Items] |
|
|
| 2026 |
180,517
|
|
| 2025 |
680,258
|
774,591
|
| 2024 |
126,425
|
183,137
|
| 2023 |
78,578
|
86,985
|
| 2022 |
49,992
|
55,051
|
| 2021 |
|
45,210
|
| Prior |
51,591
|
11,568
|
| Revolving Loans Amortized Cost Basis |
1,676
|
1,323
|
| Total |
1,169,037
|
1,157,865
|
| Farm [Member] |
|
|
| Financing Receivable, Credit Quality Indicator [Line Items] |
|
|
| 2026 |
29,408
|
|
| 2025 |
86,591
|
92,299
|
| 2024 |
50,777
|
57,910
|
| 2023 |
27,898
|
31,917
|
| 2022 |
58,592
|
59,931
|
| 2021 |
|
53,598
|
| Prior |
75,885
|
31,970
|
| Revolving Loans Amortized Cost Basis |
0
|
0
|
| Total |
329,151
|
327,625
|
| Non-Owner Occupied CRE [Member] |
|
|
| Financing Receivable, Credit Quality Indicator [Line Items] |
|
|
| 2026 |
45,960
|
|
| 2025 |
174,769
|
183,328
|
| 2024 |
122,243
|
133,373
|
| 2023 |
48,080
|
60,214
|
| 2022 |
232,307
|
239,064
|
| 2021 |
|
124,904
|
| Prior |
202,412
|
91,933
|
| Revolving Loans Amortized Cost Basis |
0
|
0
|
| Total |
825,771
|
832,816
|
| Owner Occupied CRE [Member] |
|
|
| Financing Receivable, Credit Quality Indicator [Line Items] |
|
|
| 2026 |
78,282
|
|
| 2025 |
225,768
|
226,943
|
| 2024 |
160,627
|
175,382
|
| 2023 |
92,876
|
98,966
|
| 2022 |
255,152
|
269,976
|
| 2021 |
|
163,204
|
| Prior |
319,409
|
186,137
|
| Revolving Loans Amortized Cost Basis |
0
|
0
|
| Total |
1,132,114
|
1,120,608
|
| Residential [Member] |
|
|
| Financing Receivable, Credit Quality Indicator [Line Items] |
|
|
| 2026 |
132,635
|
|
| 2025 |
465,015
|
495,485
|
| 2024 |
382,123
|
397,363
|
| 2023 |
293,126
|
307,915
|
| 2022 |
340,690
|
353,090
|
| 2021 |
|
221,521
|
| Prior |
469,137
|
275,458
|
| Revolving Loans Amortized Cost Basis |
239,371
|
234,998
|
| Total |
2,322,097
|
2,285,830
|
| Auto [Member] |
|
|
| Financing Receivable, Credit Quality Indicator [Line Items] |
|
|
| 2026 |
110,120
|
|
| 2025 |
334,941
|
371,965
|
| 2024 |
185,859
|
212,681
|
| 2023 |
55,870
|
66,866
|
| 2022 |
52,503
|
64,208
|
| 2021 |
|
14,533
|
| Prior |
11,990
|
2,098
|
| Revolving Loans Amortized Cost Basis |
0
|
0
|
| Total |
751,283
|
732,351
|
| Non-Auto [Member] |
|
|
| Financing Receivable, Credit Quality Indicator [Line Items] |
|
|
| 2026 |
21,024
|
|
| 2025 |
56,407
|
70,059
|
| 2024 |
26,256
|
30,547
|
| 2023 |
14,298
|
16,557
|
| 2022 |
13,798
|
15,802
|
| 2021 |
|
5,508
|
| Prior |
5,012
|
1,068
|
| Revolving Loans Amortized Cost Basis |
6,885
|
6,902
|
| Total |
143,680
|
146,443
|
| Agriculture [Member] |
|
|
| Financing Receivable, Credit Quality Indicator [Line Items] |
|
|
| 2026 |
17,826
|
|
| 2025 |
50,391
|
83,647
|
| 2024 |
4,684
|
6,089
|
| 2023 |
2,535
|
2,992
|
| 2022 |
1,634
|
2,353
|
| 2021 |
|
596
|
| Prior |
513
|
99
|
| Revolving Loans Amortized Cost Basis |
0
|
0
|
| Total |
77,583
|
95,776
|
| Pass [Member] |
|
|
| Financing Receivable, Credit Quality Indicator [Line Items] |
|
|
| 2026 |
856,984
|
|
| 2025 |
2,712,699
|
3,051,055
|
| 2024 |
1,216,555
|
1,385,871
|
| 2023 |
699,221
|
775,994
|
| 2022 |
1,079,916
|
1,146,576
|
| 2021 |
|
634,589
|
| Prior |
1,188,664
|
671,718
|
| Revolving Loans Amortized Cost Basis |
241,322
|
236,867
|
| Total |
7,995,361
|
7,902,670
|
| Pass [Member] | C&I [Member] |
|
|
| Financing Receivable, Credit Quality Indicator [Line Items] |
|
|
| 2026 |
183,340
|
|
| 2025 |
541,594
|
638,287
|
| 2024 |
163,724
|
188,647
|
| 2023 |
86,217
|
100,264
|
| 2022 |
87,541
|
94,870
|
| 2021 |
|
33,180
|
| Prior |
52,080
|
36,190
|
| Revolving Loans Amortized Cost Basis |
0
|
0
|
| Total |
1,114,496
|
1,091,438
|
| Pass [Member] | Municipal [Member] |
|
|
| Financing Receivable, Credit Quality Indicator [Line Items] |
|
|
| 2026 |
66,737
|
|
| 2025 |
129,898
|
143,286
|
| 2024 |
29,342
|
31,910
|
| 2023 |
22,544
|
22,971
|
| 2022 |
64,473
|
70,735
|
| 2021 |
|
9,760
|
| Prior |
62,499
|
63,822
|
| Revolving Loans Amortized Cost Basis |
0
|
0
|
| Total |
375,493
|
342,484
|
| Pass [Member] | Construction & Development [Member] |
|
|
| Financing Receivable, Credit Quality Indicator [Line Items] |
|
|
| 2026 |
177,586
|
|
| 2025 |
667,843
|
763,232
|
| 2024 |
120,812
|
177,570
|
| 2023 |
77,930
|
86,079
|
| 2022 |
48,933
|
54,158
|
| 2021 |
|
43,936
|
| Prior |
50,259
|
11,484
|
| Revolving Loans Amortized Cost Basis |
1,676
|
1,323
|
| Total |
1,145,039
|
1,137,782
|
| Pass [Member] | Farm [Member] |
|
|
| Financing Receivable, Credit Quality Indicator [Line Items] |
|
|
| 2026 |
29,408
|
|
| 2025 |
86,102
|
91,475
|
| 2024 |
50,442
|
57,560
|
| 2023 |
27,399
|
31,535
|
| 2022 |
55,080
|
56,390
|
| 2021 |
|
52,887
|
| Prior |
73,815
|
30,364
|
| Revolving Loans Amortized Cost Basis |
0
|
0
|
| Total |
322,246
|
320,211
|
| Pass [Member] | Non-Owner Occupied CRE [Member] |
|
|
| Financing Receivable, Credit Quality Indicator [Line Items] |
|
|
| 2026 |
43,550
|
|
| 2025 |
167,560
|
176,298
|
| 2024 |
118,090
|
133,099
|
| 2023 |
43,780
|
55,849
|
| 2022 |
227,267
|
234,494
|
| 2021 |
|
108,478
|
| Prior |
186,026
|
88,590
|
| Revolving Loans Amortized Cost Basis |
0
|
0
|
| Total |
786,273
|
796,808
|
| Pass [Member] | Owner Occupied CRE [Member] |
|
|
| Financing Receivable, Credit Quality Indicator [Line Items] |
|
|
| 2026 |
76,048
|
|
| 2025 |
221,325
|
224,659
|
| 2024 |
149,309
|
163,786
|
| 2023 |
88,661
|
96,918
|
| 2022 |
230,666
|
244,128
|
| 2021 |
|
151,923
|
| Prior |
299,725
|
177,168
|
| Revolving Loans Amortized Cost Basis |
0
|
0
|
| Total |
1,065,734
|
1,058,582
|
| Pass [Member] | Residential [Member] |
|
|
| Financing Receivable, Credit Quality Indicator [Line Items] |
|
|
| 2026 |
131,784
|
|
| 2025 |
456,973
|
489,167
|
| 2024 |
369,851
|
385,921
|
| 2023 |
280,921
|
297,128
|
| 2022 |
299,559
|
311,207
|
| 2021 |
|
214,343
|
| Prior |
447,164
|
260,915
|
| Revolving Loans Amortized Cost Basis |
232,839
|
228,657
|
| Total |
2,219,091
|
2,187,338
|
| Pass [Member] | Auto [Member] |
|
|
| Financing Receivable, Credit Quality Indicator [Line Items] |
|
|
| 2026 |
110,120
|
|
| 2025 |
334,846
|
371,849
|
| 2024 |
185,268
|
212,013
|
| 2023 |
55,119
|
65,985
|
| 2022 |
51,387
|
62,910
|
| 2021 |
|
14,234
|
| Prior |
11,706
|
2,068
|
| Revolving Loans Amortized Cost Basis |
0
|
0
|
| Total |
748,446
|
729,059
|
| Pass [Member] | Non-Auto [Member] |
|
|
| Financing Receivable, Credit Quality Indicator [Line Items] |
|
|
| 2026 |
21,024
|
|
| 2025 |
56,286
|
69,838
|
| 2024 |
26,143
|
30,450
|
| 2023 |
14,154
|
16,321
|
| 2022 |
13,435
|
15,397
|
| 2021 |
|
5,408
|
| Prior |
4,898
|
1,038
|
| Revolving Loans Amortized Cost Basis |
6,807
|
6,887
|
| Total |
142,747
|
145,339
|
| Pass [Member] | Agriculture [Member] |
|
|
| Financing Receivable, Credit Quality Indicator [Line Items] |
|
|
| 2026 |
17,387
|
|
| 2025 |
50,272
|
82,964
|
| 2024 |
3,574
|
4,915
|
| 2023 |
2,496
|
2,944
|
| 2022 |
1,575
|
2,287
|
| 2021 |
|
440
|
| Prior |
492
|
79
|
| Revolving Loans Amortized Cost Basis |
0
|
0
|
| Total |
75,796
|
93,629
|
| Special Mention [Member] |
|
|
| Financing Receivable, Credit Quality Indicator [Line Items] |
|
|
| 2026 |
5,174
|
|
| 2025 |
9,170
|
6,760
|
| 2024 |
12,833
|
12,822
|
| 2023 |
4,638
|
4,674
|
| 2022 |
25,303
|
27,350
|
| 2021 |
|
9,571
|
| Prior |
7,400
|
2,535
|
| Revolving Loans Amortized Cost Basis |
2,346
|
2,346
|
| Total |
66,864
|
66,058
|
| Special Mention [Member] | C&I [Member] |
|
|
| Financing Receivable, Credit Quality Indicator [Line Items] |
|
|
| 2026 |
1,235
|
|
| 2025 |
1,738
|
2,194
|
| 2024 |
734
|
755
|
| 2023 |
200
|
229
|
| 2022 |
38
|
672
|
| 2021 |
|
129
|
| Prior |
104
|
279
|
| Revolving Loans Amortized Cost Basis |
0
|
0
|
| Total |
4,049
|
4,258
|
| Special Mention [Member] | Construction & Development [Member] |
|
|
| Financing Receivable, Credit Quality Indicator [Line Items] |
|
|
| 2026 |
0
|
|
| 2025 |
4,687
|
1,490
|
| 2024 |
0
|
0
|
| 2023 |
363
|
368
|
| 2022 |
0
|
0
|
| 2021 |
|
0
|
| Prior |
0
|
0
|
| Revolving Loans Amortized Cost Basis |
0
|
0
|
| Total |
5,050
|
1,858
|
| Special Mention [Member] | Farm [Member] |
|
|
| Financing Receivable, Credit Quality Indicator [Line Items] |
|
|
| 2026 |
0
|
|
| 2025 |
0
|
0
|
| 2024 |
0
|
0
|
| 2023 |
120
|
0
|
| 2022 |
0
|
0
|
| 2021 |
|
317
|
| Prior |
80
|
193
|
| Revolving Loans Amortized Cost Basis |
0
|
0
|
| Total |
200
|
510
|
| Special Mention [Member] | Non-Owner Occupied CRE [Member] |
|
|
| Financing Receivable, Credit Quality Indicator [Line Items] |
|
|
| 2026 |
1,940
|
|
| 2025 |
243
|
0
|
| 2024 |
272
|
274
|
| 2023 |
1,869
|
1,867
|
| 2022 |
2,819
|
3,651
|
| 2021 |
|
3,164
|
| Prior |
349
|
654
|
| Revolving Loans Amortized Cost Basis |
0
|
0
|
| Total |
7,492
|
9,610
|
| Special Mention [Member] | Owner Occupied CRE [Member] |
|
|
| Financing Receivable, Credit Quality Indicator [Line Items] |
|
|
| 2026 |
1,999
|
|
| 2025 |
1,648
|
1,666
|
| 2024 |
9,607
|
9,690
|
| 2023 |
649
|
654
|
| 2022 |
961
|
1,261
|
| 2021 |
|
3,974
|
| Prior |
3,712
|
154
|
| Revolving Loans Amortized Cost Basis |
0
|
0
|
| Total |
18,576
|
17,399
|
| Special Mention [Member] | Residential [Member] |
|
|
| Financing Receivable, Credit Quality Indicator [Line Items] |
|
|
| 2026 |
0
|
|
| 2025 |
830
|
1,360
|
| 2024 |
2,220
|
2,042
|
| 2023 |
1,284
|
1,367
|
| 2022 |
21,374
|
21,638
|
| 2021 |
|
1,960
|
| Prior |
3,120
|
1,233
|
| Revolving Loans Amortized Cost Basis |
2,346
|
2,346
|
| Total |
31,174
|
31,946
|
| Special Mention [Member] | Auto [Member] |
|
|
| Financing Receivable, Credit Quality Indicator [Line Items] |
|
|
| 2026 |
0
|
|
| 2025 |
14
|
41
|
| 2024 |
0
|
61
|
| 2023 |
153
|
189
|
| 2022 |
76
|
85
|
| 2021 |
|
27
|
| Prior |
21
|
6
|
| Revolving Loans Amortized Cost Basis |
0
|
0
|
| Total |
264
|
409
|
| Special Mention [Member] | Non-Auto [Member] |
|
|
| Financing Receivable, Credit Quality Indicator [Line Items] |
|
|
| 2026 |
0
|
|
| 2025 |
9
|
9
|
| 2024 |
0
|
0
|
| 2023 |
0
|
0
|
| 2022 |
8
|
9
|
| 2021 |
|
0
|
| Prior |
14
|
16
|
| Revolving Loans Amortized Cost Basis |
0
|
0
|
| Total |
31
|
34
|
| Special Mention [Member] | Agriculture [Member] |
|
|
| Financing Receivable, Credit Quality Indicator [Line Items] |
|
|
| 2026 |
0
|
|
| 2025 |
1
|
0
|
| 2024 |
0
|
0
|
| 2023 |
0
|
0
|
| 2022 |
27
|
34
|
| 2021 |
|
0
|
| Prior |
0
|
0
|
| Revolving Loans Amortized Cost Basis |
0
|
0
|
| Total |
28
|
34
|
| Substandard [Member] |
|
|
| Financing Receivable, Credit Quality Indicator [Line Items] |
|
|
| 2026 |
6,221
|
|
| 2025 |
33,473
|
34,333
|
| 2024 |
27,579
|
23,457
|
| 2023 |
22,896
|
19,885
|
| 2022 |
53,993
|
53,263
|
| 2021 |
|
28,153
|
| Prior |
74,469
|
26,447
|
| Revolving Loans Amortized Cost Basis |
4,264
|
4,010
|
| Total |
222,895
|
189,548
|
| Substandard [Member] | C&I [Member] |
|
|
| Financing Receivable, Credit Quality Indicator [Line Items] |
|
|
| 2026 |
1,295
|
|
| 2025 |
7,972
|
10,064
|
| 2024 |
4,173
|
4,356
|
| 2023 |
4,533
|
4,677
|
| 2022 |
1,767
|
1,437
|
| 2021 |
|
170
|
| Prior |
11,646
|
61
|
| Revolving Loans Amortized Cost Basis |
0
|
0
|
| Total |
31,386
|
20,765
|
| Substandard [Member] | Municipal [Member] |
|
|
| Financing Receivable, Credit Quality Indicator [Line Items] |
|
|
| 2026 |
0
|
|
| 2025 |
0
|
0
|
| 2024 |
0
|
0
|
| 2023 |
0
|
0
|
| 2022 |
725
|
0
|
| 2021 |
|
0
|
| Prior |
8,255
|
17
|
| Revolving Loans Amortized Cost Basis |
0
|
0
|
| Total |
8,980
|
17
|
| Substandard [Member] | Construction & Development [Member] |
|
|
| Financing Receivable, Credit Quality Indicator [Line Items] |
|
|
| 2026 |
2,931
|
|
| 2025 |
7,728
|
9,869
|
| 2024 |
5,613
|
5,567
|
| 2023 |
285
|
538
|
| 2022 |
1,059
|
893
|
| 2021 |
|
1,274
|
| Prior |
1,332
|
84
|
| Revolving Loans Amortized Cost Basis |
0
|
0
|
| Total |
18,948
|
18,225
|
| Substandard [Member] | Farm [Member] |
|
|
| Financing Receivable, Credit Quality Indicator [Line Items] |
|
|
| 2026 |
0
|
|
| 2025 |
489
|
824
|
| 2024 |
335
|
350
|
| 2023 |
379
|
382
|
| 2022 |
3,512
|
3,541
|
| 2021 |
|
394
|
| Prior |
1,990
|
1,413
|
| Revolving Loans Amortized Cost Basis |
0
|
0
|
| Total |
6,705
|
6,904
|
| Substandard [Member] | Non-Owner Occupied CRE [Member] |
|
|
| Financing Receivable, Credit Quality Indicator [Line Items] |
|
|
| 2026 |
470
|
|
| 2025 |
6,966
|
7,030
|
| 2024 |
3,881
|
0
|
| 2023 |
2,431
|
2,498
|
| 2022 |
2,221
|
919
|
| 2021 |
|
13,262
|
| Prior |
16,037
|
2,689
|
| Revolving Loans Amortized Cost Basis |
0
|
0
|
| Total |
32,006
|
26,398
|
| Substandard [Member] | Owner Occupied CRE [Member] |
|
|
| Financing Receivable, Credit Quality Indicator [Line Items] |
|
|
| 2026 |
235
|
|
| 2025 |
2,795
|
618
|
| 2024 |
1,711
|
1,906
|
| 2023 |
3,566
|
1,394
|
| 2022 |
23,525
|
24,587
|
| 2021 |
|
7,307
|
| Prior |
15,972
|
8,815
|
| Revolving Loans Amortized Cost Basis |
0
|
0
|
| Total |
47,804
|
44,627
|
| Substandard [Member] | Residential [Member] |
|
|
| Financing Receivable, Credit Quality Indicator [Line Items] |
|
|
| 2026 |
851
|
|
| 2025 |
7,212
|
4,958
|
| 2024 |
10,052
|
9,400
|
| 2023 |
10,921
|
9,420
|
| 2022 |
19,757
|
20,245
|
| 2021 |
|
5,218
|
| Prior |
18,853
|
13,310
|
| Revolving Loans Amortized Cost Basis |
4,186
|
3,995
|
| Total |
71,832
|
66,546
|
| Substandard [Member] | Auto [Member] |
|
|
| Financing Receivable, Credit Quality Indicator [Line Items] |
|
|
| 2026 |
0
|
|
| 2025 |
81
|
75
|
| 2024 |
591
|
607
|
| 2023 |
598
|
692
|
| 2022 |
1,040
|
1,213
|
| 2021 |
|
272
|
| Prior |
263
|
24
|
| Revolving Loans Amortized Cost Basis |
0
|
0
|
| Total |
2,573
|
2,883
|
| Substandard [Member] | Non-Auto [Member] |
|
|
| Financing Receivable, Credit Quality Indicator [Line Items] |
|
|
| 2026 |
0
|
|
| 2025 |
112
|
212
|
| 2024 |
113
|
97
|
| 2023 |
144
|
236
|
| 2022 |
355
|
396
|
| 2021 |
|
100
|
| Prior |
100
|
14
|
| Revolving Loans Amortized Cost Basis |
78
|
15
|
| Total |
902
|
1,070
|
| Substandard [Member] | Agriculture [Member] |
|
|
| Financing Receivable, Credit Quality Indicator [Line Items] |
|
|
| 2026 |
439
|
|
| 2025 |
118
|
683
|
| 2024 |
1,110
|
1,174
|
| 2023 |
39
|
48
|
| 2022 |
32
|
32
|
| 2021 |
|
156
|
| Prior |
21
|
20
|
| Revolving Loans Amortized Cost Basis |
0
|
0
|
| Total |
1,759
|
2,113
|
| Doubtful [Member] |
|
|
| Financing Receivable, Credit Quality Indicator [Line Items] |
|
|
| 2026 |
0
|
|
| 2025 |
0
|
0
|
| 2024 |
0
|
0
|
| 2023 |
0
|
0
|
| 2022 |
0
|
0
|
| 2021 |
|
0
|
| Prior |
0
|
0
|
| Revolving Loans Amortized Cost Basis |
0
|
0
|
| Total |
$ 0
|
$ 0
|