v3.25.2
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
6 Months Ended 12 Months Ended
Jun. 30, 2025
Dec. 31, 2024
Financing Receivable, Credit Quality Indicator [Line Items]    
2025 $ 409,471 $ 486,523
2024 470,491 570,662
2023 549,181 1,495,356
2022 1,444,251 1,284,963
2021 1,219,829 1,004,855
Prior 3,425,405 2,645,131
Revolving loans amortized cost basis 773,852 990,088
Revolving loans converted to term loans 66,021 58,854
Total 8,358,501 8,536,432
Financing Receivable Accrued Interest Year Three Originated Two Years Before Current Fiscal Year Writeoff 392 300
Financing Receivable Accrued Interest Originated More than Five Years before Current Fiscal Year Writeoff 51 3,609
Gross Charge Offs Revolving Loans Amortized Term Loans 5  
Gross charge-offs Revolving loans converted to term loans 21 498
Gross charge-off total 469 4,408
Commercial Real Estate Loans [Member]    
Financing Receivable, Credit Quality Indicator [Line Items]    
2025 285,359 310,235
2024 315,784 424,701
2023 402,822 1,259,406
2022 1,225,622 1,097,229
2021 1,048,536 860,687
Prior 2,983,459 2,308,579
Revolving loans amortized cost basis 213,254 207,624
Revolving loans converted to term loans 42,579 38,991
Total 6,517,415 6,507,452
Financing Receivable Accrued Interest Originated More than Five Years before Current Fiscal Year Writeoff   2,258
Gross charge-off total   2,258
Construction [Member]    
Financing Receivable, Credit Quality Indicator [Line Items]    
2025 456 7,717
2024 7,722 315
2023 322 8,050
2022 9,158 0
2021 0 0
Prior 0 0
Revolving loans amortized cost basis 0 0
Revolving loans converted to term loans 0
Total 17,658 16,082
SBA [Member]    
Financing Receivable, Credit Quality Indicator [Line Items]    
2025 17,212 33,531
2024 29,635 16,064
2023 15,455 47,974
2022 47,165 49,147
2021 45,957 28,449
Prior 116,311 97,848
Revolving loans amortized cost basis 0 0
Revolving loans converted to term loans 0
Total 271,735 273,013
Financing Receivable Accrued Interest Originated More than Five Years before Current Fiscal Year Writeoff 51 165
Gross charge-off total 51 165
SBA - Paycheck Protection Program (PPP) [Member]    
Financing Receivable, Credit Quality Indicator [Line Items]    
2025 0 0
2024 0 0
2023 0 0
2022 0 254
2021 78 520
Prior 7 0
Revolving loans amortized cost basis 0 0
Revolving loans converted to term loans 0
Total 85 774
Commercial and Industrial [Member]    
Financing Receivable, Credit Quality Indicator [Line Items]    
2025 75,185 101,284
2024 90,998 105,484
2023 108,229 113,531
2022 98,291 69,886
2021 58,521 69,505
Prior 171,203 122,244
Revolving loans amortized cost basis 291,145 328,280
Revolving loans converted to term loans 18,855 14,964
Total 912,427 925,178
Financing Receivable Accrued Interest Year Three Originated Two Years Before Current Fiscal Year Writeoff 392 300
Financing Receivable Accrued Interest Originated More than Five Years before Current Fiscal Year Writeoff   1,186
Gross charge-offs Revolving loans converted to term loans 21 495
Gross charge-off total 413 1,981
Dairy and Livestock and Agribusiness [Member]    
Financing Receivable, Credit Quality Indicator [Line Items]    
2025 395 3,713
2024 644 0
2023 0 0
2022 0 596
2021 947 786
Prior 536 201
Revolving loans amortized cost basis 229,841 412,145
Revolving loans converted to term loans 1,409 2,463
Total 233,772 419,904
Municipal Lease Finance Receivables [Member]    
Financing Receivable, Credit Quality Indicator [Line Items]    
2025 56 2,540
2024 2,788 0
2023 0 5,111
2022 4,843 24,715
2021 24,586 5,140
Prior 31,379 28,608
Revolving loans amortized cost basis 0 0
Revolving loans converted to term loans 0 0
Total 63,652 66,114
SFR Mortgage [Member]    
Financing Receivable, Credit Quality Indicator [Line Items]    
2025 29,363 20,261
2024 18,220 21,055
2023 19,901 59,763
2022 58,504 41,156
2021 40,186 39,626
Prior 121,990 87,027
Revolving loans amortized cost basis 0 0
Revolving loans converted to term loans 271 284
Total 288,435 269,172
Consumer and Other [Member]    
Financing Receivable, Credit Quality Indicator [Line Items]    
2025 1,445 7,242
2024 4,700 3,043
2023 2,452 1,521
2022 668 1,980
2021 1,018 142
Prior 520 624
Revolving loans amortized cost basis 39,612 42,039
Revolving loans converted to term loans 2,907 2,152
Total 53,322 58,743
Gross Charge Offs Revolving Loans Amortized Term Loans 5  
Gross charge-off total 5  
Pass [Member]    
Financing Receivable, Credit Quality Indicator [Line Items]    
2025 407,760 480,552
2024 456,206 560,266
2023 534,995 1,448,946
2022 1,396,196 1,250,781
2021 1,190,536 966,628
Prior 3,240,773 2,495,112
Revolving loans amortized cost basis 726,114 886,023
Revolving loans converted to term loans 48,665 45,785
Total 8,001,245 8,134,093
Pass [Member] | Commercial Real Estate Loans [Member]    
Financing Receivable, Credit Quality Indicator [Line Items]    
2025 284,142 307,984
2024 305,013 419,547
2023 391,978 1,216,126
2022 1,181,124 1,066,694
2021 1,021,260 828,493
Prior 2,812,471 2,170,119
Revolving loans amortized cost basis 208,186 197,991
Revolving loans converted to term loans 35,810 37,704
Total 6,239,984 6,244,658
Pass [Member] | Construction [Member]    
Financing Receivable, Credit Quality Indicator [Line Items]    
2025 456 7,717
2024 7,722 315
2023 322 8,050
2022 9,158 0
2021 0 0
Prior 0 0
Revolving loans amortized cost basis 0 0
Revolving loans converted to term loans 0
Total 17,658 16,082
Pass [Member] | SBA [Member]    
Financing Receivable, Credit Quality Indicator [Line Items]    
2025 17,212 33,531
2024 26,270 16,064
2023 15,455 46,393
2022 45,606 47,810
2021 45,957 23,733
Prior 106,918 92,012
Revolving loans amortized cost basis 0 0
Revolving loans converted to term loans 0
Total 257,418 259,543
Pass [Member] | SBA - Paycheck Protection Program (PPP) [Member]    
Financing Receivable, Credit Quality Indicator [Line Items]    
2025 0 0
2024 0 0
2023 0 0
2022 0 254
2021 78 520
Prior 7 0
Revolving loans amortized cost basis 0 0
Revolving loans converted to term loans 0
Total 85 774
Pass [Member] | Commercial and Industrial [Member]    
Financing Receivable, Credit Quality Indicator [Line Items]    
2025 75,086 100,465
2024 90,849 100,242
2023 104,887 111,982
2022 96,293 67,706
2021 56,974 69,084
Prior 167,382 118,069
Revolving loans amortized cost basis 278,848 318,147
Revolving loans converted to term loans 10,128 6,213
Total 880,447 891,908
Pass [Member] | Dairy and Livestock and Agribusiness [Member]    
Financing Receivable, Credit Quality Indicator [Line Items]    
2025 0 812
2024 644 0
2023 0 0
2022 0 596
2021 552 786
Prior 871 141
Revolving loans amortized cost basis 199,473 327,850
Revolving loans converted to term loans 117 13
Total 201,657 330,198
Pass [Member] | Municipal Lease Finance Receivables [Member]    
Financing Receivable, Credit Quality Indicator [Line Items]    
2025 56 2,540
2024 2,788 0
2023 0 5,111
2022 4,843 24,715
2021 24,586 5,140
Prior 31,325 28,510
Revolving loans amortized cost basis 0 0
Revolving loans converted to term loans 0 0
Total 63,598 66,016
Pass [Member] | SFR Mortgage [Member]    
Financing Receivable, Credit Quality Indicator [Line Items]    
2025 29,363 20,261
2024 18,220 21,055
2023 19,901 59,763
2022 58,504 41,156
2021 40,186 38,730
Prior 121,279 85,637
Revolving loans amortized cost basis 0 0
Revolving loans converted to term loans 0
Total 287,453 266,602
Pass [Member] | Consumer and Other [Member]    
Financing Receivable, Credit Quality Indicator [Line Items]    
2025 1,445 7,242
2024 4,700 3,043
2023 2,452 1,521
2022 668 1,850
2021 943 142
Prior 520 624
Revolving loans amortized cost basis 39,607 42,035
Revolving loans converted to term loans 2,610 1,855
Total 52,945 58,312
Special Mention [Member]    
Financing Receivable, Credit Quality Indicator [Line Items]    
2025 494 4,795
2024 9,746 7,123
2023 11,966 37,531
2022 40,574 25,114
2021 25,564 23,089
Prior 141,745 110,715
Revolving loans amortized cost basis 40,424 96,372
Revolving loans converted to term loans 13,321 8,051
Total 283,834 312,790
Special Mention [Member] | Commercial Real Estate Loans [Member]    
Financing Receivable, Credit Quality Indicator [Line Items]    
2025 0 1,075
2024 9,597 4,910
2023 10,167 36,505
2022 38,965 21,478
2021 23,766 17,056
Prior 131,928 104,201
Revolving loans amortized cost basis 5,068 3,937
Revolving loans converted to term loans 6,769 1,287
Total 226,260 190,449
Special Mention [Member] | Construction [Member]    
Financing Receivable, Credit Quality Indicator [Line Items]    
2025 0 0
2024 0 0
2023 0 0
2022 0 0
2021 0 0
Prior 0 0
Revolving loans amortized cost basis 0 0
Revolving loans converted to term loans 0
Total 0
Special Mention [Member] | SBA [Member]    
Financing Receivable, Credit Quality Indicator [Line Items]    
2025 0 0
2024 0 0
2023 0 0
2022 0 1,337
2021 0 4,716
Prior 6,241 1,830
Revolving loans amortized cost basis 0 0
Revolving loans converted to term loans 0
Total 6,241 7,883
Special Mention [Member] | SBA - Paycheck Protection Program (PPP) [Member]    
Financing Receivable, Credit Quality Indicator [Line Items]    
2025 0 0
2024 0 0
2023 0 0
2022 0 0
2021 0 0
Prior 0 0
Revolving loans amortized cost basis 0 0
Revolving loans converted to term loans 0
Total 0
Special Mention [Member] | Commercial and Industrial [Member]    
Financing Receivable, Credit Quality Indicator [Line Items]    
2025 99 819
2024 149 2,213
2023 1,799 1,026
2022 1,609 2,169
2021 1,328 421
Prior 3,527 4,175
Revolving loans amortized cost basis 11,197 8,136
Revolving loans converted to term loans 4,989 4,830
Total 24,697 23,789
Special Mention [Member] | Dairy and Livestock and Agribusiness [Member]    
Financing Receivable, Credit Quality Indicator [Line Items]    
2025 395 2,901
2024 0 0
2023 0 0
2022 0 0
2021 395 0
Prior 395 0
Revolving loans amortized cost basis 24,154 84,295
Revolving loans converted to term loans 1,292 1,650
Total 25,841 88,846
Special Mention [Member] | Municipal Lease Finance Receivables [Member]    
Financing Receivable, Credit Quality Indicator [Line Items]    
2025 0 0
2024 0 0
2023 0 0
2022 0 0
2021 0 0
Prior 54 98
Revolving loans amortized cost basis 0 0
Revolving loans converted to term loans 0
Total 54 98
Special Mention [Member] | SFR Mortgage [Member]    
Financing Receivable, Credit Quality Indicator [Line Items]    
2025 0 0
2024 0 0
2023 0 0
2022 0 0
2021 0 896
Prior 390 411
Revolving loans amortized cost basis 0 0
Revolving loans converted to term loans 271 284
Total 661 1,591
Special Mention [Member] | Consumer and Other [Member]    
Financing Receivable, Credit Quality Indicator [Line Items]    
2025 0 0
2024 0 0
2023 0 0
2022 0 130
2021 75 0
Prior 0 0
Revolving loans amortized cost basis 5 4
Revolving loans converted to term loans 0 0
Total 80 134
Substandard [Member]    
Financing Receivable, Credit Quality Indicator [Line Items]    
2025 1,217 1,176
2024 4,539 3,273
2023 2,220 8,879
2022 7,481 9,068
2021 3,729 15,138
Prior 42,887 39,304
Revolving loans amortized cost basis 7,314 7,693
Revolving loans converted to term loans 4,035 5,018
Total 73,422 89,549
Substandard [Member] | Commercial Real Estate Loans [Member]    
Financing Receivable, Credit Quality Indicator [Line Items]    
2025 1,217 1,176
2024 1,174 244
2023 677 6,775
2022 5,533 9,057
2021 3,510 15,138
Prior 39,060 34,259
Revolving loans amortized cost basis 0 5,696
Revolving loans converted to term loans 0
Total 51,171 72,345
Substandard [Member] | Construction [Member]    
Financing Receivable, Credit Quality Indicator [Line Items]    
2025 0 0
2024 0 0
2023 0 0
2022 0 0
2021 0 0
Prior 0 0
Revolving loans amortized cost basis   0
Revolving loans converted to term loans 0
Total 0
Substandard [Member] | SBA [Member]    
Financing Receivable, Credit Quality Indicator [Line Items]    
2025 0 0
2024 3,365 0
2023 0 1,581
2022 1,559 0
2021 0 0
Prior 3,152 4,006
Revolving loans amortized cost basis 0 0
Revolving loans converted to term loans 0
Total 8,076 5,587
Substandard [Member] | SBA - Paycheck Protection Program (PPP) [Member]    
Financing Receivable, Credit Quality Indicator [Line Items]    
2025 0 0
2024 0 0
2023 0 0
2022 0 0
2021 0 0
Prior 0 0
Revolving loans amortized cost basis 0 0
Revolving loans converted to term loans 0
Total 0
Substandard [Member] | Commercial and Industrial [Member]    
Financing Receivable, Credit Quality Indicator [Line Items]    
2025 0 0
2024 0 3,029
2023 1,543 523
2022 389 11
2021 219 0
Prior 294 0
Revolving loans amortized cost basis 1,100 1,997
Revolving loans converted to term loans 3,738 3,921
Total 7,283 9,481
Substandard [Member] | Dairy and Livestock and Agribusiness [Member]    
Financing Receivable, Credit Quality Indicator [Line Items]    
2025 0 0
2024 0 0
2023 0 0
2022 0 0
2021 0 0
Prior 60 60
Revolving loans amortized cost basis 6,214 0
Revolving loans converted to term loans 800
Total 6,274 860
Substandard [Member] | Municipal Lease Finance Receivables [Member]    
Financing Receivable, Credit Quality Indicator [Line Items]    
2025 0 0
2024 0 0
2023 0 0
2022 0 0
2021 0 0
Prior 0 0
Revolving loans amortized cost basis 0 0
Revolving loans converted to term loans 0 0
Total 0 0
Substandard [Member] | SFR Mortgage [Member]    
Financing Receivable, Credit Quality Indicator [Line Items]    
2025 0 0
2024 0 0
2023 0 0
2022 0 0
2021 0 0
Prior 321 979
Revolving loans amortized cost basis 0 0
Revolving loans converted to term loans 0 0
Total 321 979
Substandard [Member] | Consumer and Other [Member]    
Financing Receivable, Credit Quality Indicator [Line Items]    
2025 0 0
2024 0 0
2023 0 0
2022 0 0
2021 0 0
Prior 0 0
Revolving loans amortized cost basis 0 0
Revolving loans converted to term loans 297 297
Total 297 297
Doubtful & Loss [Member]    
Financing Receivable, Credit Quality Indicator [Line Items]    
2025 0 0
2024 0 0
2023 0 0
2022 0 0
2021 0 0
Prior 0 0
Revolving loans amortized cost basis 0 0
Revolving loans converted to term loans 0
Total 0 0
Doubtful & Loss [Member] | Commercial Real Estate Loans [Member]    
Financing Receivable, Credit Quality Indicator [Line Items]    
2025 0 0
2024 0 0
2023 0 0
2022 0 0
2021 0 0
Prior 0 0
Revolving loans amortized cost basis 0 0
Revolving loans converted to term loans 0
Total 0
Doubtful & Loss [Member] | Construction [Member]    
Financing Receivable, Credit Quality Indicator [Line Items]    
2025 0 0
2024 0 0
2023 0 0
2022 0 0
2021 0 0
Prior 0 0
Revolving loans amortized cost basis 0 0
Revolving loans converted to term loans 0
Total 0
Doubtful & Loss [Member] | SBA [Member]    
Financing Receivable, Credit Quality Indicator [Line Items]    
2025 0 0
2024 0 0
2023 0 0
2022 0 0
2021 0 0
Prior 0 0
Revolving loans amortized cost basis 0 0
Revolving loans converted to term loans 0
Total 0
Doubtful & Loss [Member] | SBA - Paycheck Protection Program (PPP) [Member]    
Financing Receivable, Credit Quality Indicator [Line Items]    
2025 0 0
2024 0 0
2023 0 0
2022 0 0
2021 0 0
Prior 0 0
Revolving loans amortized cost basis 0 0
Revolving loans converted to term loans 0
Total 0
Doubtful & Loss [Member] | Commercial and Industrial [Member]    
Financing Receivable, Credit Quality Indicator [Line Items]    
2025 0 0
2024 0 0
2023 0 0
2022 0 0
2021 0 0
Prior 0 0
Revolving loans amortized cost basis 0 0
Revolving loans converted to term loans 0
Total 0
Doubtful & Loss [Member] | Dairy and Livestock and Agribusiness [Member]    
Financing Receivable, Credit Quality Indicator [Line Items]    
2025 0 0
2024 0 0
2023 0 0
2022 0 0
2021 0 0
Prior 0 0
Revolving loans amortized cost basis 0 0
Revolving loans converted to term loans 0 0
Total 0 0
Doubtful & Loss [Member] | Municipal Lease Finance Receivables [Member]    
Financing Receivable, Credit Quality Indicator [Line Items]    
2025 0 0
2024 0 0
2023 0 0
2022 0 0
2021 0 0
Prior 0 0
Revolving loans amortized cost basis 0 0
Revolving loans converted to term loans 0 0
Total 0 0
Doubtful & Loss [Member] | SFR Mortgage [Member]    
Financing Receivable, Credit Quality Indicator [Line Items]    
2025 0 0
2024 0 0
2023 0 0
2022 0 0
2021 0 0
Prior 0 0
Revolving loans amortized cost basis 0 0
Revolving loans converted to term loans 0 0
Total 0 0
Doubtful & Loss [Member] | Consumer and Other [Member]    
Financing Receivable, Credit Quality Indicator [Line Items]    
2025 0 0
2024 0 0
2023 0 0
2022 0 0
2021 0 0
Prior 0 0
Revolving loans amortized cost basis 0 0
Revolving loans converted to term loans 0 0
Total $ 0 $ 0