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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 | Mar. 31, 2023 | Dec. 31, 2022
--- | --- | ---
Financing Receivable, Credit Quality Indicator [Line Items] |  |
2023 | $ 235,389 | $ 1,683,162
2022 | 1,663,062 | 1,512,519
2021 | 1,493,610 | 1,178,645
2020 | 1,163,778 | 744,349
2019 | 717,255 | 633,929
Prior | 2,782,565 | 2,265,644
Revolving loans amortized cost basis | 829,498 | 1,002,474
Revolving loans converted to term loans | 57,332 | 58,670
Total | 8,942,489 | 9,079,392
Gross charge-off prior | 110 |
Gross charge-offs total | 110 |
Commercial real estate loans [Member] |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
2023 | 186,781 | 1,367,018
2022 | 1,359,549 | 1,209,404
2021 | 1,200,224 | 984,873
2020 | 982,436 | 592,100
2019 | 581,818 | 528,353
Prior | 2,420,311 | 1,987,303
Revolving loans amortized cost basis | 181,581 | 176,281
Revolving loans converted to term loans | 37,602 | 39,616
Total | 6,950,302 | 6,884,948
Construction [Member] |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
2023 | 3,704 | 17,203
2022 | 13,503 | 26,689
2021 | 34,209 | 16,578
2020 | 7,651 | 0
2019 | 0 | 4,951
Prior | 5,044 | 0
Revolving loans amortized cost basis | 19,881 | 22,850
Revolving loans converted to term loans | 0 | 0
Total | 83,992 | 88,271
SBA [Member] |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
2023 | 805 | 60,623
2022 | 58,361 | 54,781
2021 | 54,368 | 35,243
2020 | 34,951 | 8,781
2019 | 8,589 | 30,735
Prior | 126,340 | 99,719
Revolving loans amortized cost basis | 50 | 1,026
Revolving loans converted to term loans | 0 | 0
Total | 283,464 | 290,908
Gross charge-off prior | 94 |
Gross charge-offs total | 94 |
SBA - Paycheck Protection Program (PPP) [Member] |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
2023 | 0 | 0
2022 | 0 | 5,515
2021 | 2,638 | 3,572
2020 | 3,186 | 0
2019 | 0 | 0
Prior | 0 | 0
Revolving loans amortized cost basis | 0 | 0
Revolving loans converted to term loans | 0 | 0
Total | 5,824 | 9,087
Commercial And Industrial [Member] |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
2023 | 37,606 | 159,214
2022 | 156,545 | 135,923
2021 | 123,142 | 81,950
2020 | 80,438 | 103,844
2019 | 91,071 | 48,817
Prior | 118,828 | 85,910
Revolving loans amortized cost basis | 280,005 | 323,945
Revolving loans converted to term loans | 10,532 | 9,080
Total | 898,167 | 948,683
Gross charge-off prior | 16 |
Gross charge-offs total | 16 |
Dairy And Livestock And Agribusiness [Member] |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
2023 | 1,005 | 1,248
2022 | 100 | 2,318
2021 | 1,842 | 1,555
2020 | 1,478 | 786
2019 | 307 | 210
Prior | 2,453 | 741
Revolving loans amortized cost basis | 294,360 | 419,199
Revolving loans converted to term loans | 6,275 | 7,507
Total | 307,820 | 433,564
Municipal Lease Finance Receivables [Member] |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
2023 |  | 6,442
2022 | 6,427 | 26,858
2021 | 26,857 | 6,814
2020 | 6,559 | 4,327
2019 | 4,322 | 4,948
Prior | 35,387 | 31,737
Revolving loans amortized cost basis |  | 0
Revolving loans converted to term loans |  | 0
Total | 79,552 | 81,126
SFR mortgage [Member] |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
2023 | 3,782 | 63,761
2022 | 62,559 | 46,748
2021 | 46,407 | 46,762
2020 | 45,966 | 33,585
2019 | 30,298 | 15,836
Prior | 72,927 | 58,944
Revolving loans amortized cost basis | 0 | 0
Revolving loans converted to term loans | 385 | 388
Total | 262,324 | 266,024
Consumer Other [Member] |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
2023 | 1,706 |
2022 | 6,018 | 4,283
2021 | 3,923 | 1,298
2020 | 1,113 | 926
2019 | 850 | 79
Prior | 1,275 | 1,290
Revolving loans amortized cost basis | 53,621 | 59,173
Revolving loans converted to term loans | 2,538 | 2,079
Total | 71,044 | 76,781
Pass [Member] |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
2023 | 228,715 | 1,674,387
2022 | 1,658,608 | 1,499,083
2021 | 1,484,744 | 1,149,567
2020 | 1,129,574 | 690,504
2019 | 660,877 | 599,162
Prior | 2,647,212 | 2,163,284
Revolving loans amortized cost basis | 793,882 | 963,645
Revolving loans converted to term loans | 44,778 | 48,948
Total | 8,648,390 | 8,788,580
Pass [Member] | Commercial real estate loans [Member] |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
2023 | 185,194 | 1,363,733
2022 | 1,356,290 | 1,197,290
2021 | 1,192,562 | 957,965
2020 | 950,317 | 542,827
2019 | 532,910 | 506,613
Prior | 2,302,301 | 1,889,478
Revolving loans amortized cost basis | 180,989 | 175,373
Revolving loans converted to term loans | 37,602 | 39,616
Total | 6,738,165 | 6,672,895
Pass [Member] | Construction [Member] |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
2023 | 3,704 | 17,203
2022 | 13,503 | 26,689
2021 | 34,209 | 16,578
2020 | 7,651 | 0
2019 | 0 | 0
Prior | 0 | 0
Revolving loans amortized cost basis | 19,881 | 22,850
Revolving loans converted to term loans | 0 | 0
Total | 78,948 | 83,320
Pass [Member] | SBA [Member] |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
2023 | 805 | 60,623
2022 | 58,361 | 54,781
2021 | 54,368 | 35,243
2020 | 34,951 | 7,460
2019 | 7,277 | 28,886
Prior | 120,940 | 96,473
Revolving loans amortized cost basis | 50 | 1,026
Revolving loans converted to term loans | 0 | 0
Total | 276,752 | 284,492
Pass [Member] | SBA - Paycheck Protection Program (PPP) [Member] |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
2023 | 0 | 0
2022 | 0 | 5,515
2021 | 2,638 | 3,572
2020 | 3,186 | 0
2019 | 0 | 0
Prior | 0 | 0
Revolving loans amortized cost basis | 0 | 0
Revolving loans converted to term loans | 0 | 0
Total | 5,824 | 9,087
Pass [Member] | Commercial And Industrial [Member] |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
2023 | 32,519 | 154,765
2022 | 155,350 | 135,162
2021 | 122,428 | 80,763
2020 | 79,288 | 101,192
2019 | 85,046 | 42,731
Prior | 114,270 | 85,406
Revolving loans amortized cost basis | 264,205 | 305,589
Revolving loans converted to term loans | 5,865 | 7,775
Total | 858,971 | 913,383
Pass [Member] | Dairy And Livestock And Agribusiness [Member] |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
2023 | 1,005 | 207
2022 | 100 | 2,318
2021 | 1,842 | 1,515
2020 | 1,478 | 187
2019 | 174 | 69
Prior | 739 | 628
Revolving loans amortized cost basis | 275,431 | 400,229
Revolving loans converted to term loans | 342 | 450
Total | 281,111 | 405,603
Pass [Member] | Municipal Lease Finance Receivables [Member] |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
2023 |  | 6,442
2022 | 6,427 | 26,858
2021 | 26,857 | 6,814
2020 | 6,559 | 4,327
2019 | 4,322 | 4,948
Prior | 34,984 | 31,292
Revolving loans amortized cost basis |  | 0
Revolving loans converted to term loans |  | 0
Total | 79,149 | 80,681
Pass [Member] | SFR mortgage [Member] |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
2023 | 3,782 | 63,761
2022 | 62,559 | 46,748
2021 | 46,407 | 45,819
2020 | 45,031 | 33,585
2019 | 30,298 | 15,836
Prior | 72,716 | 58,730
Revolving loans amortized cost basis | 0 | 0
Revolving loans converted to term loans | 0 | 0
Total | 260,793 | 264,479
Pass [Member] | Consumer Other [Member] |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
2023 | 1,706 | 7,653
2022 | 6,018 | 3,722
2021 | 3,433 | 1,298
2020 | 1,113 | 926
2019 | 850 | 79
Prior | 1,262 | 1,277
Revolving loans amortized cost basis | 53,326 | 58,578
Revolving loans converted to term loans | 969 | 1,107
Total | 68,677 | 74,640
Special Mention [Member] |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
2023 | 6,674 | 7,240
2022 | 3,968 | 13,436
2021 | 8,866 | 12,686
2020 | 18,330 | 36,589
2019 | 42,539 | 28,398
Prior | 109,869 | 78,625
Revolving loans amortized cost basis | 32,181 | 33,783
Revolving loans converted to term loans | 4,695 | 1,397
Total | 227,122 | 212,154
Special Mention [Member] | Commercial real estate loans [Member] |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
2023 | 1,587 | 3,285
2022 | 3,259 | 12,114
2021 | 7,662 | 11,284
2020 | 16,927 | 32,976
2019 | 35,911 | 21,646
Prior | 100,504 | 76,290
Revolving loans amortized cost basis | 592 | 908
Revolving loans converted to term loans | 0 | 0
Total | 166,442 | 158,503
Special Mention [Member] | Construction [Member] |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
2023 | 0 | 0
2022 | 0 | 0
2021 | 0 | 0
2020 | 0 | 0
2019 | 0 | 4,951
Prior | 5,044 | 0
Revolving loans amortized cost basis | 0 | 0
Revolving loans converted to term loans | 0 | 0
Total | 5,044 | 4,951
Special Mention [Member] | SBA [Member] |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
2023 | 0 | 0
2022 | 0 | 0
2021 | 0 | 0
2020 | 0 | 1,321
2019 | 1,312 | 1,293
Prior | 3,630 | 2,065
Revolving loans amortized cost basis | 0 | 0
Revolving loans converted to term loans | 0 | 0
Total | 4,942 | 4,679
Special Mention [Member] | SBA - Paycheck Protection Program (PPP) [Member] |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
2023 | 0 | 0
2022 | 0 | 0
2021 | 0 | 0
2020 | 0 | 0
2019 | 0 | 0
Prior | 0 | 0
Revolving loans amortized cost basis | 0 | 0
Revolving loans converted to term loans | 0 | 0
Total | 0 | 0
Special Mention [Member] | Commercial And Industrial [Member] |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
2023 | 5,087 | 3,955
2022 | 709 | 761
2021 | 714 | 459
2020 | 468 | 1,693
2019 | 5,183 | 462
Prior | 438 | 8
Revolving loans amortized cost basis | 12,370 | 15,156
Revolving loans converted to term loans | 3,855 | 544
Total | 28,824 | 23,038
Special Mention [Member] | Dairy And Livestock And Agribusiness [Member] |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
2023 | 0 | 0
2022 | 0 | 0
2021 | 0 | 0
2020 | 0 | 599
2019 | 133 | 46
Prior | 30 | 0
Revolving loans amortized cost basis | 18,929 | 17,129
Revolving loans converted to term loans | 751 | 853
Total | 19,843 | 18,627
Special Mention [Member] | Municipal Lease Finance Receivables [Member] |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
2023 |  | 0
2022 |  | 0
2021 |  | 0
2020 |  | 0
2019 |  | 0
Prior | 223 | 262
Revolving loans amortized cost basis |  | 0
Revolving loans converted to term loans |  | 0
Total | 223 | 262
Special Mention [Member] | SFR mortgage [Member] |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
2023 | 0 | 0
2022 | 0 | 0
2021 | 0 | 943
2020 | 935 | 0
2019 | 0 | 0
Prior | 0 | 0
Revolving loans amortized cost basis | 0 | 0
Revolving loans converted to term loans | 0 | 0
Total | 935 | 943
Special Mention [Member] | Consumer Other [Member] |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
2023 | 0 |
2022 | 0 | 561
2021 | 490 | 0
2020 | 0 | 0
2019 | 0 | 0
Prior | 0 | 0
Revolving loans amortized cost basis | 290 | 590
Revolving loans converted to term loans | 89 | 0
Total | 869 | 1,151
Substandard [Member] |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
2023 | 0 | 1,535
2022 | 486 | 0
2021 | 0 | 16,392
2020 | 15,874 | 17,256
2019 | 13,839 | 6,369
Prior | 25,484 | 23,735
Revolving loans amortized cost basis | 3,435 | 5,046
Revolving loans converted to term loans | 7,859 | 8,325
Total | 66,977 | 78,658
Substandard [Member] | Commercial real estate loans [Member] |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
2023 | 0 | 0
2022 | 0 | 0
2021 | 0 | 15,624
2020 | 15,192 | 16,297
2019 | 12,997 | 94
Prior | 17,506 | 21,535
Revolving loans amortized cost basis | 0 | 0
Revolving loans converted to term loans | 0 | 0
Total | 45,695 | 53,550
Substandard [Member] | Construction [Member] |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
2023 | 0 | 0
2022 | 0 | 0
2021 | 0 | 0
2020 | 0 | 0
2019 | 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] | SBA [Member] |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
2023 | 0 | 0
2022 | 0 | 0
2021 | 0 | 0
2020 | 0 | 0
2019 | 0 | 556
Prior | 1,770 | 1,181
Revolving loans amortized cost basis | 0 | 0
Revolving loans converted to term loans | 0 | 0
Total | 1,770 | 1,737
Substandard [Member] | SBA - Paycheck Protection Program (PPP) [Member] |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
2023 | 0 | 0
2022 | 0 | 0
2021 | 0 | 0
2020 | 0 | 0
2019 | 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] | Commercial And Industrial [Member] |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
2023 |  | 494
2022 | 486 | 0
2021 |  | 728
2020 | 682 | 959
2019 | 842 | 5,624
Prior | 4,120 | 496
Revolving loans amortized cost basis | 3,430 | 3,200
Revolving loans converted to term loans | 812 | 761
Total | 10,372 | 12,262
Substandard [Member] | Dairy And Livestock And Agribusiness [Member] |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
2023 | 0 | 1,041
2022 | 0 | 0
2021 | 0 | 40
2020 | 0 | 0
2019 | 0 | 95
Prior | 1,684 | 113
Revolving loans amortized cost basis | 0 | 1,841
Revolving loans converted to term loans | 5,182 | 6,204
Total | 6,866 | 9,334
Substandard [Member] | Municipal Lease Finance Receivables [Member] |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
2023 |  | 0
2022 |  | 0
2021 |  | 0
2020 |  | 0
2019 |  | 0
Prior | 180 | 183
Revolving loans amortized cost basis |  | 0
Revolving loans converted to term loans |  | 0
Total | 180 | 183
Substandard [Member] | SFR mortgage [Member] |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
2023 | 0 |
2022 | 0 | 0
2021 | 0 | 0
2020 | 0 | 0
2019 | 0 | 0
Prior | 211 | 214
Revolving loans amortized cost basis | 0 | 0
Revolving loans converted to term loans | 385 | 388
Total | 596 | 602
Substandard [Member] | Consumer Other [Member] |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
2023 | 0 | 0
2022 | 0 | 0
2021 | 0 | 0
2020 | 0 | 0
2019 | 0 | 0
Prior | 13 | 13
Revolving loans amortized cost basis | 5 | 5
Revolving loans converted to term loans | 1,480 | 972
Total | 1,498 | 990
Doubtful [Member] |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
2023 | 0 |
2022 | 0 | 0
2021 | 0 | 0
2020 | 0 | 0
2019 | 0 | 0
Prior | 0 | 0
Revolving loans amortized cost basis | 0 | 0
Revolving loans converted to term loans | 0 | 0
Total | 0 | 0
Doubtful [Member] | Commercial real estate loans [Member] |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
2023 | 0 | 0
2022 | 0 | 0
2021 | 0 | 0
2020 | 0 | 0
2019 | 0 | 0
Prior | 0 | 0
Revolving loans amortized cost basis | 0 | 0
Revolving loans converted to term loans | 0 | 0
Total | 0 | 0
Doubtful [Member] | Construction [Member] |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
2023 | 0 | 0
2022 | 0 | 0
2021 | 0 | 0
2020 | 0 | 0
2019 | 0 | 0
Prior | 0 | 0
Revolving loans amortized cost basis | 0 | 0
Revolving loans converted to term loans | 0 | 0
Total | 0 | 0
Doubtful [Member] | SBA [Member] |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
2023 | 0 | 0
2022 | 0 | 0
2021 | 0 | 0
2020 | 0 | 0
2019 | 0 | 0
Prior | 0 | 0
Revolving loans amortized cost basis | 0 | 0
Revolving loans converted to term loans | 0 | 0
Total | 0 | 0
Doubtful [Member] | SBA - Paycheck Protection Program (PPP) [Member] |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
2023 | 0 | 0
2022 | 0 | 0
2021 | 0 | 0
2020 | 0 | 0
2019 | 0 | 0
Prior | 0 | 0
Revolving loans amortized cost basis | 0 | 0
Revolving loans converted to term loans | 0 | 0
Total | 0 | 0
Doubtful [Member] | Commercial And Industrial [Member] |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
2023 |  | 0
2022 |  | 0
2021 |  | 0
2020 |  | 0
2019 |  | 0
Prior |  | 0
Revolving loans amortized cost basis |  | 0
Revolving loans converted to term loans |  | 0
Total |  | 0
Doubtful [Member] | Dairy And Livestock And Agribusiness [Member] |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
2023 | 0 | 0
2022 | 0 | 0
2021 | 0 | 0
2020 | 0 | 0
2019 | 0 | 0
Prior | 0 | 0
Revolving loans amortized cost basis | 0 | 0
Revolving loans converted to term loans | 0 | 0
Total | 0 | 0
Doubtful [Member] | Municipal Lease Finance Receivables [Member] |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
2023 |  | 0
2022 |  | 0
2021 |  | 0
2020 |  | 0
2019 |  | 0
Prior |  | 0
Revolving loans amortized cost basis |  | 0
Revolving loans converted to term loans |  | 0
Total |  | 0
Doubtful [Member] | SFR mortgage [Member] |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
2023 | 0 |
2022 | 0 | 0
2021 | 0 | 0
2020 | 0 | 0
2019 | 0 | 0
Prior | 0 | 0
Revolving loans amortized cost basis | 0 | 0
Revolving loans converted to term loans | 0 | 0
Total | 0 | 0
Doubtful [Member] | Consumer Other [Member] |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
2023 | 0 | 0
2022 | 0 | 0
2021 | 0 | 0
2020 | 0 | 0
2019 | 0 | 0
Prior | 0 | 0
Revolving loans amortized cost basis | 0 | 0
Revolving loans converted to term loans | 0 | 0
Total | $ 0 | $ 0

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