Loans and Lease Finance Receivables and Allowance for Credit Losses - Summary of loans by type and origination year, according to our internal risk ratings (Detail) - USD ($)
$ in Thousands |
9 Months Ended |
12 Months Ended |
Sep. 30, 2026 |
Dec. 31, 2025 |
| Financing Receivable, Credit Quality Indicator [Line Items] |
|
|
| 2026 |
$ 1,223,244
|
$ 842,237
|
| 2025 |
1,248,277
|
452,814
|
| 2024 |
626,311
|
509,582
|
| 2023 |
726,913
|
1,394,854
|
| 2022 |
1,611,458
|
1,162,486
|
| Prior |
5,045,097
|
3,158,717
|
| Revolving loans amortized cost basis |
1,557,175
|
1,114,278
|
| Revolving loans converted to term loans |
83,540
|
64,225
|
| Total |
12,122,015
|
8,699,193
|
| Gross charge-off prior |
36
|
|
| Financing Receivable Accrued Interest Year Three Originated Two Years Before Current Fiscal Year Writeoff |
112
|
392
|
| Financing Receivable Accrued Interest Year Four Originated Three Years Before Current Fiscal Year Write off |
115
|
|
| Financing Receivable Accrued Interest Originated More than Four Years before Current Fiscal Year Writeoff |
21
|
|
| Financing Receivable Accrued Interest Originated More than Five Years before Current Fiscal Year Writeoff |
|
118
|
| Gross Charge Offs Revolving Loans Amortized Term Loans |
|
5
|
| Gross charge-offs Revolving loans converted to term loans |
|
127
|
| Gross charge-off total |
284
|
642
|
| Commercial Real Estate Loans [Member] |
|
|
| Financing Receivable, Credit Quality Indicator [Line Items] |
|
|
| 2026 |
901,378
|
600,697
|
| 2025 |
876,328
|
317,051
|
| 2024 |
435,324
|
390,409
|
| 2023 |
614,887
|
1,197,153
|
| 2022 |
1,411,515
|
1,002,050
|
| Prior |
4,433,038
|
2,762,851
|
| Revolving loans amortized cost basis |
314,905
|
260,676
|
| Revolving loans converted to term loans |
45,366
|
43,508
|
| Total |
9,032,741
|
6,574,395
|
| Financing Receivable Accrued Interest Originated More than Five Years before Current Fiscal Year Writeoff |
|
118
|
| Construction Loans [Member] |
|
|
| Financing Receivable, Credit Quality Indicator [Line Items] |
|
|
| 2026 |
49,970
|
15,742
|
| 2025 |
123,804
|
11,829
|
| 2024 |
43,080
|
0
|
| 2023 |
100
|
10,241
|
| 2022 |
11,387
|
0
|
| Prior |
685
|
0
|
| Revolving loans amortized cost basis |
0
|
0
|
| Revolving loans converted to term loans |
20
|
0
|
| Total |
229,046
|
37,812
|
| SBA Loans [Member] |
|
|
| Financing Receivable, Credit Quality Indicator [Line Items] |
|
|
| 2026 |
77,870
|
48,707
|
| 2025 |
75,121
|
25,775
|
| 2024 |
42,882
|
12,077
|
| 2023 |
20,793
|
46,087
|
| 2022 |
58,744
|
45,070
|
| Prior |
191,514
|
104,685
|
| Revolving loans amortized cost basis |
2,617
|
0
|
| Revolving loans converted to term loans |
752
|
0
|
| Total |
470,293
|
282,401
|
| Gross charge-off prior |
26
|
|
| Gross charge-off total |
26
|
|
| Commercial and Industrial [Member] |
|
|
| Financing Receivable, Credit Quality Indicator [Line Items] |
|
|
| 2026 |
153,076
|
136,920
|
| 2025 |
130,864
|
73,931
|
| 2024 |
80,333
|
88,538
|
| 2023 |
72,948
|
78,402
|
| 2022 |
66,026
|
52,086
|
| Prior |
192,832
|
146,610
|
| Revolving loans amortized cost basis |
711,129
|
380,619
|
| Revolving loans converted to term loans |
32,626
|
16,525
|
| Total |
1,439,834
|
973,631
|
| Financing Receivable Accrued Interest Year Three Originated Two Years Before Current Fiscal Year Writeoff |
112
|
392
|
| Financing Receivable Accrued Interest Year Four Originated Three Years Before Current Fiscal Year Write off |
115
|
|
| Financing Receivable Accrued Interest Originated More than Four Years before Current Fiscal Year Writeoff |
21
|
|
| Financing Receivable Accrued Interest Originated More than Five Years before Current Fiscal Year Writeoff |
10
|
|
| Gross charge-offs Revolving loans converted to term loans |
|
127
|
| Gross charge-off total |
258
|
519
|
| Dairy and Livestock and Agribusiness [Member] |
|
|
| Financing Receivable, Credit Quality Indicator [Line Items] |
|
|
| 2026 |
127
|
3
|
| 2025 |
54
|
587
|
| 2024 |
496
|
0
|
| 2023 |
0
|
0
|
| 2022 |
0
|
507
|
| Prior |
581
|
692
|
| Revolving loans amortized cost basis |
340,543
|
429,732
|
| Revolving loans converted to term loans |
0
|
56
|
| Total |
341,801
|
431,577
|
| Municipal Lease Finance Receivables [Member] |
|
|
| Financing Receivable, Credit Quality Indicator [Line Items] |
|
|
| 2026 |
65
|
570
|
| 2025 |
514
|
2,699
|
| 2024 |
2,547
|
0
|
| 2023 |
0
|
4,479
|
| 2022 |
4,108
|
23,701
|
| Prior |
46,566
|
28,093
|
| Revolving loans amortized cost basis |
0
|
0
|
| Revolving loans converted to term loans |
0
|
0
|
| Total |
53,800
|
59,542
|
| SFR Mortgage [Member] |
|
|
| Financing Receivable, Credit Quality Indicator [Line Items] |
|
|
| 2026 |
34,324
|
36,561
|
| 2025 |
34,988
|
16,445
|
| 2024 |
17,390
|
16,766
|
| 2023 |
17,345
|
57,988
|
| 2022 |
59,362
|
38,394
|
| Prior |
174,833
|
115,360
|
| Revolving loans amortized cost basis |
0
|
0
|
| Revolving loans converted to term loans |
152
|
252
|
| Total |
338,394
|
281,766
|
| Consumer and Other [Member] |
|
|
| Financing Receivable, Credit Quality Indicator [Line Items] |
|
|
| 2026 |
6,434
|
3,037
|
| 2025 |
6,604
|
4,497
|
| 2024 |
4,259
|
1,792
|
| 2023 |
840
|
504
|
| 2022 |
316
|
678
|
| Prior |
5,048
|
426
|
| Revolving loans amortized cost basis |
187,981
|
43,251
|
| Revolving loans converted to term loans |
4,624
|
3,884
|
| Total |
216,106
|
58,069
|
| Gross Charge Offs Revolving Loans Amortized Term Loans |
|
5
|
| Gross charge-off total |
|
5
|
| Pass [Member] |
|
|
| Financing Receivable, Credit Quality Indicator [Line Items] |
|
|
| 2026 |
1,218,066
|
834,194
|
| 2025 |
1,241,310
|
440,059
|
| 2024 |
595,761
|
494,857
|
| 2023 |
691,253
|
1,334,967
|
| 2022 |
1,521,150
|
1,121,981
|
| Prior |
4,805,363
|
3,018,977
|
| Revolving loans amortized cost basis |
1,474,105
|
1,064,777
|
| Revolving loans converted to term loans |
58,600
|
48,281
|
| Total |
11,605,608
|
8,358,093
|
| Pass [Member] | Commercial Real Estate Loans [Member] |
|
|
| Financing Receivable, Credit Quality Indicator [Line Items] |
|
|
| 2026 |
897,801
|
595,637
|
| 2025 |
872,558
|
304,734
|
| 2024 |
408,291
|
378,718
|
| 2023 |
583,482
|
1,143,941
|
| 2022 |
1,328,932
|
962,666
|
| Prior |
4,227,787
|
2,631,270
|
| Revolving loans amortized cost basis |
299,943
|
251,597
|
| Revolving loans converted to term loans |
37,665
|
34,757
|
| Total |
8,656,459
|
6,303,320
|
| Gross charge-off total |
|
118
|
| Pass [Member] | Construction Loans [Member] |
|
|
| Financing Receivable, Credit Quality Indicator [Line Items] |
|
|
| 2026 |
49,970
|
15,742
|
| 2025 |
123,804
|
11,829
|
| 2024 |
43,080
|
0
|
| 2023 |
100
|
10,241
|
| 2022 |
11,387
|
0
|
| Prior |
0
|
0
|
| Revolving loans amortized cost basis |
0
|
0
|
| Revolving loans converted to term loans |
20
|
0
|
| Total |
228,361
|
37,812
|
| Pass [Member] | SBA Loans [Member] |
|
|
| Financing Receivable, Credit Quality Indicator [Line Items] |
|
|
| 2026 |
77,870
|
48,707
|
| 2025 |
75,121
|
25,775
|
| 2024 |
42,128
|
12,077
|
| 2023 |
19,886
|
44,550
|
| 2022 |
57,241
|
45,057
|
| Prior |
174,937
|
100,201
|
| Revolving loans amortized cost basis |
2,504
|
0
|
| Revolving loans converted to term loans |
752
|
0
|
| Total |
450,439
|
276,367
|
| Pass [Member] | Commercial and Industrial [Member] |
|
|
| Financing Receivable, Credit Quality Indicator [Line Items] |
|
|
| 2026 |
151,475
|
133,937
|
| 2025 |
127,667
|
73,869
|
| 2024 |
77,881
|
85,504
|
| 2023 |
69,600
|
73,264
|
| 2022 |
59,804
|
50,997
|
| Prior |
182,019
|
143,690
|
| Revolving loans amortized cost basis |
680,603
|
358,873
|
| Revolving loans converted to term loans |
15,750
|
9,880
|
| Total |
1,364,799
|
930,014
|
| Pass [Member] | Dairy and Livestock and Agribusiness [Member] |
|
|
| Financing Receivable, Credit Quality Indicator [Line Items] |
|
|
| 2026 |
127
|
3
|
| 2025 |
54
|
211
|
| 2024 |
185
|
0
|
| 2023 |
0
|
0
|
| 2022 |
0
|
507
|
| Prior |
525
|
610
|
| Revolving loans amortized cost basis |
306,791
|
411,447
|
| Revolving loans converted to term loans |
0
|
56
|
| Total |
307,682
|
412,834
|
| Pass [Member] | Municipal Lease Finance Receivables [Member] |
|
|
| Financing Receivable, Credit Quality Indicator [Line Items] |
|
|
| 2026 |
65
|
570
|
| 2025 |
514
|
2,699
|
| 2024 |
2,547
|
0
|
| 2023 |
0
|
4,479
|
| 2022 |
4,108
|
23,701
|
| Prior |
46,566
|
28,093
|
| Revolving loans amortized cost basis |
0
|
0
|
| Revolving loans converted to term loans |
0
|
0
|
| Total |
53,800
|
59,542
|
| Pass [Member] | SFR Mortgage [Member] |
|
|
| Financing Receivable, Credit Quality Indicator [Line Items] |
|
|
| 2026 |
34,324
|
36,561
|
| 2025 |
34,988
|
16,445
|
| 2024 |
17,390
|
16,766
|
| 2023 |
17,345
|
57,988
|
| 2022 |
59,362
|
38,394
|
| Prior |
168,740
|
114,687
|
| Revolving loans amortized cost basis |
0
|
0
|
| Revolving loans converted to term loans |
152
|
0
|
| Total |
332,301
|
280,841
|
| Pass [Member] | Consumer and Other [Member] |
|
|
| Financing Receivable, Credit Quality Indicator [Line Items] |
|
|
| 2026 |
6,434
|
3,037
|
| 2025 |
6,604
|
4,497
|
| 2024 |
4,259
|
1,792
|
| 2023 |
840
|
504
|
| 2022 |
316
|
659
|
| Prior |
4,789
|
426
|
| Revolving loans amortized cost basis |
184,264
|
42,860
|
| Revolving loans converted to term loans |
4,261
|
3,588
|
| Total |
211,767
|
57,363
|
| Special Mention [Member] |
|
|
| Financing Receivable, Credit Quality Indicator [Line Items] |
|
|
| 2026 |
3,484
|
3,687
|
| 2025 |
3,738
|
12,755
|
| 2024 |
19,287
|
9,999
|
| 2023 |
27,232
|
50,443
|
| 2022 |
65,142
|
35,776
|
| Prior |
207,199
|
122,675
|
| Revolving loans amortized cost basis |
62,011
|
41,130
|
| Revolving loans converted to term loans |
14,402
|
11,934
|
| Total |
402,495
|
288,399
|
| Special Mention [Member] | Commercial Real Estate Loans [Member] |
|
|
| Financing Receivable, Credit Quality Indicator [Line Items] |
|
|
| 2026 |
1,883
|
3,604
|
| 2025 |
3,377
|
12,317
|
| 2024 |
18,272
|
8,364
|
| 2023 |
24,881
|
45,946
|
| 2022 |
59,957
|
34,806
|
| Prior |
190,721
|
121,473
|
| Revolving loans amortized cost basis |
13,669
|
8,548
|
| Revolving loans converted to term loans |
7,452
|
8,751
|
| Total |
320,212
|
243,809
|
| Special Mention [Member] | SBA Loans [Member] |
|
|
| Financing Receivable, Credit Quality Indicator [Line Items] |
|
|
| 2026 |
0
|
0
|
| 2025 |
0
|
0
|
| 2024 |
0
|
0
|
| 2023 |
611
|
0
|
| 2022 |
0
|
0
|
| Prior |
8,623
|
391
|
| Revolving loans amortized cost basis |
0
|
0
|
| Revolving loans converted to term loans |
0
|
0
|
| Total |
9,234
|
391
|
| Special Mention [Member] | Commercial and Industrial [Member] |
|
|
| Financing Receivable, Credit Quality Indicator [Line Items] |
|
|
| 2026 |
1,601
|
83
|
| 2025 |
361
|
62
|
| 2024 |
704
|
1,635
|
| 2023 |
1,740
|
4,497
|
| 2022 |
5,185
|
951
|
| Prior |
2,723
|
359
|
| Revolving loans amortized cost basis |
19,683
|
20,756
|
| Revolving loans converted to term loans |
6,885
|
2,931
|
| Total |
38,882
|
31,274
|
| Special Mention [Member] | Dairy and Livestock and Agribusiness [Member] |
|
|
| Financing Receivable, Credit Quality Indicator [Line Items] |
|
|
| 2026 |
0
|
0
|
| 2025 |
0
|
376
|
| 2024 |
311
|
0
|
| 2023 |
0
|
0
|
| 2022 |
0
|
0
|
| Prior |
56
|
82
|
| Revolving loans amortized cost basis |
26,852
|
11,435
|
| Revolving loans converted to term loans |
0
|
0
|
| Total |
27,219
|
11,893
|
| Special Mention [Member] | SFR Mortgage [Member] |
|
|
| Financing Receivable, Credit Quality Indicator [Line Items] |
|
|
| 2026 |
0
|
0
|
| 2025 |
0
|
0
|
| 2024 |
0
|
0
|
| 2023 |
0
|
0
|
| 2022 |
0
|
0
|
| Prior |
5,076
|
370
|
| Revolving loans amortized cost basis |
0
|
0
|
| Revolving loans converted to term loans |
0
|
252
|
| Total |
5,076
|
622
|
| Special Mention [Member] | Consumer and Other [Member] |
|
|
| Financing Receivable, Credit Quality Indicator [Line Items] |
|
|
| 2026 |
0
|
0
|
| 2025 |
0
|
0
|
| 2024 |
0
|
0
|
| 2023 |
0
|
0
|
| 2022 |
0
|
19
|
| Prior |
0
|
0
|
| Revolving loans amortized cost basis |
1,807
|
391
|
| Revolving loans converted to term loans |
65
|
0
|
| Total |
1,872
|
410
|
| Substandard [Member] |
|
|
| Financing Receivable, Credit Quality Indicator [Line Items] |
|
|
| 2026 |
1,694
|
4,356
|
| 2025 |
3,229
|
0
|
| 2024 |
11,263
|
4,726
|
| 2023 |
8,428
|
9,444
|
| 2022 |
25,166
|
4,729
|
| Prior |
32,535
|
17,065
|
| Revolving loans amortized cost basis |
21,059
|
8,371
|
| Revolving loans converted to term loans |
10,538
|
4,010
|
| Total |
113,912
|
52,701
|
| Substandard [Member] | Commercial Real Estate Loans [Member] |
|
|
| Financing Receivable, Credit Quality Indicator [Line Items] |
|
|
| 2026 |
1,694
|
1,456
|
| 2025 |
393
|
0
|
| 2024 |
8,761
|
3,327
|
| 2023 |
6,524
|
7,266
|
| 2022 |
22,626
|
4,578
|
| Prior |
14,530
|
10,108
|
| Revolving loans amortized cost basis |
1,293
|
531
|
| Revolving loans converted to term loans |
249
|
0
|
| Total |
56,070
|
27,266
|
| Substandard [Member] | Construction Loans [Member] |
|
|
| Financing Receivable, Credit Quality Indicator [Line Items] |
|
|
| 2026 |
0
|
|
| 2025 |
0
|
|
| 2024 |
0
|
|
| 2023 |
0
|
|
| 2022 |
0
|
|
| Prior |
685
|
|
| Revolving loans amortized cost basis |
0
|
|
| Revolving loans converted to term loans |
0
|
|
| Total |
685
|
|
| Substandard [Member] | SBA Loans [Member] |
|
|
| Financing Receivable, Credit Quality Indicator [Line Items] |
|
|
| 2026 |
0
|
0
|
| 2025 |
0
|
0
|
| 2024 |
754
|
0
|
| 2023 |
296
|
1,537
|
| 2022 |
1,503
|
13
|
| Prior |
7,954
|
4,093
|
| Revolving loans amortized cost basis |
113
|
0
|
| Revolving loans converted to term loans |
0
|
0
|
| Total |
10,620
|
5,643
|
| Substandard [Member] | Commercial and Industrial [Member] |
|
|
| Financing Receivable, Credit Quality Indicator [Line Items] |
|
|
| 2026 |
0
|
2,900
|
| 2025 |
2,836
|
0
|
| 2024 |
1,748
|
1,399
|
| 2023 |
1,608
|
641
|
| 2022 |
1,037
|
138
|
| Prior |
8,090
|
2,561
|
| Revolving loans amortized cost basis |
10,843
|
990
|
| Revolving loans converted to term loans |
9,991
|
3,714
|
| Total |
36,153
|
12,343
|
| Substandard [Member] | Dairy and Livestock and Agribusiness [Member] |
|
|
| Financing Receivable, Credit Quality Indicator [Line Items] |
|
|
| 2026 |
0
|
0
|
| 2025 |
0
|
0
|
| 2024 |
0
|
0
|
| 2023 |
0
|
0
|
| 2022 |
0
|
0
|
| Prior |
0
|
0
|
| Revolving loans amortized cost basis |
6,900
|
6,850
|
| Revolving loans converted to term loans |
0
|
0
|
| Total |
6,900
|
6,850
|
| Substandard [Member] | SFR Mortgage [Member] |
|
|
| Financing Receivable, Credit Quality Indicator [Line Items] |
|
|
| 2026 |
0
|
0
|
| 2025 |
0
|
0
|
| 2024 |
0
|
0
|
| 2023 |
0
|
0
|
| 2022 |
0
|
0
|
| Prior |
1,017
|
303
|
| Revolving loans amortized cost basis |
0
|
0
|
| Revolving loans converted to term loans |
0
|
0
|
| Total |
1,017
|
303
|
| Substandard [Member] | Consumer and Other [Member] |
|
|
| Financing Receivable, Credit Quality Indicator [Line Items] |
|
|
| 2026 |
0
|
0
|
| 2025 |
0
|
0
|
| 2024 |
0
|
0
|
| 2023 |
0
|
0
|
| 2022 |
0
|
0
|
| Prior |
259
|
0
|
| Revolving loans amortized cost basis |
1,910
|
0
|
| Revolving loans converted to term loans |
298
|
296
|
| Total |
$ 2,467
|
$ 296
|