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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 | Dec. 31, 2022 | Dec. 31, 2021
--- | --- | ---
Financing Receivable, Credit Quality Indicator [Line Items] |  |
2022 | $ 1,683,162 | $ 1,620,118
2021 | 1,512,519 | 1,183,367
2020 | 1,178,645 | 798,755
2019 | 744,349 | 677,205
2018 | 633,929 | 638,690
Prior | 2,265,644 | 2,001,549
Revolving loans amortized cost basis | 1,002,474 | 904,441
Revolving loans converted to term loans | 58,670 | 63,588
Total | 9,079,392 | 7,887,713
Commercial real estate loans [Member] |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
2022 | 1,367,018 | 1,140,847
2021 | 1,209,404 | 984,337
2020 | 984,873 | 608,538
2019 | 592,100 | 557,498
2018 | 528,353 | 532,629
Prior | 1,987,303 | 1,755,641
Revolving loans amortized cost basis | 176,281 | 169,762
Revolving loans converted to term loans | 39,616 | 40,478
Total | 6,884,948 | 5,789,730
Construction Loans [Member] |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
2022 | 17,203 | 10,511
2021 | 26,689 | 15,896
2020 | 16,578 | 7,236
2019 |  | 3,359
2018 | 4,951 |
Prior |  |
Revolving loans amortized cost basis | 22,850 | 25,262
Revolving loans converted to term loans |  |
Total | 88,271 | 62,264
SBA [Member] |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
2022 | 60,623 | 70,929
2021 | 54,781 | 36,468
2020 | 35,243 | 11,129
2019 | 8,781 | 36,853
2018 | 30,735 | 46,652
Prior | 99,719 | 86,569
Revolving loans amortized cost basis | 1,026 |
Revolving loans converted to term loans |  |
Total | 290,908 | 288,600
SBA - Paycheck Protection Program (PPP) [Member] |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
2022 |  | 183,614
2021 | 5,515 | 2,971
2020 | 3,572 |
2019 |  |
2018 |  |
Prior |  |
Revolving loans amortized cost basis |  |
Revolving loans converted to term loans |  |
Total | 9,087 | 186,585
Commercial and Industrial [Member] |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
2022 | 159,214 | 147,294
2021 | 135,923 | 83,879
2020 | 81,950 | 127,376
2019 | 103,844 | 57,798
2018 | 48,817 | 33,354
Prior | 85,910 | 74,101
Revolving loans amortized cost basis | 323,945 | 279,019
Revolving loans converted to term loans | 9,080 | 10,242
Total | 948,683 | 813,063
Dairy & Livestock and Agribusiness [Member] |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
2022 | 1,248 | 2,808
2021 | 2,318 | 942
2020 | 1,555 | 1,285
2019 | 786 | 1,072
2018 | 210 | 95
Prior | 741 | 295
Revolving loans amortized cost basis | 419,199 | 371,291
Revolving loans converted to term loans | 7,507 | 8,431
Total | 433,564 | 386,219
Municipal Lease Finance Receivables [Member] |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
2022 | 6,442 | 9,310
2021 | 26,858 | 7,666
2020 | 6,814 |
2019 | 4,327 | 279
2018 | 4,948 | 9,528
Prior | 31,737 | 19,150
Revolving loans amortized cost basis |  |
Revolving loans converted to term loans |  |
Total | 81,126 | 45,933
SFR mortgage [Member] |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
2022 | 63,761 | 48,821
2021 | 46,748 | 49,261
2020 | 46,762 | 41,776
2019 | 33,585 | 19,877
2018 | 15,836 | 16,046
Prior | 58,944 | 64,017
Revolving loans amortized cost basis |  | 451
Revolving loans converted to term loans | 388 | 405
Total | 266,024 | 240,654
Consumer and other loans [Member] |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
2022 | 7,653 | 5,984
2021 | 4,283 | 1,947
2020 | 1,298 | 1,415
2019 | 926 | 469
2018 | 79 | 386
Prior | 1,290 | 1,776
Revolving loans amortized cost basis | 59,173 | 58,656
Revolving loans converted to term loans | 2,079 | 4,032
Total | 76,781 | 74,665
Pass [Member] |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
2022 | 1,674,387 | 1,613,286
2021 | 1,499,083 | 1,160,790
2020 | 1,149,567 | 780,690
2019 | 690,504 | 646,886
2018 | 599,162 | 581,735
Prior | 2,163,284 | 1,939,076
Revolving loans amortized cost basis | 963,645 | 872,585
Revolving loans converted to term loans | 48,948 | 44,388
Total | 8,788,580 | 7,639,436
Pass [Member] | Commercial real estate loans [Member] |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
2022 | 1,363,733 | 1,137,714
2021 | 1,197,290 | 963,697
2020 | 957,965 | 591,202
2019 | 542,827 | 534,468
2018 | 506,613 | 484,721
Prior | 1,889,478 | 1,704,267
Revolving loans amortized cost basis | 175,373 | 156,841
Revolving loans converted to term loans | 39,616 | 33,564
Total | 6,672,895 | 5,606,474
Pass [Member] | Construction Loans [Member] |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
2022 | 17,203 | 10,511
2021 | 26,689 | 15,896
2020 | 16,578 | 7,236
2019 |  |
2018 |  |
Prior |  |
Revolving loans amortized cost basis | 22,850 | 25,262
Revolving loans converted to term loans |  |
Total | 83,320 | 58,905
Pass [Member] | SBA [Member] |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
2022 | 60,623 | 70,929
2021 | 54,781 | 36,468
2020 | 35,243 | 11,129
2019 | 7,460 | 36,068
2018 | 28,886 | 38,504
Prior | 96,473 | 78,527
Revolving loans amortized cost basis | 1,026 |
Revolving loans converted to term loans |  |
Total | 284,492 | 271,625
Pass [Member] | SBA - Paycheck Protection Program (PPP) [Member] |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
2022 |  | 183,614
2021 | 5,515 | 2,969
2020 | 3,572 |
2019 |  |
2018 |  |
Prior |  |
Revolving loans amortized cost basis |  |
Revolving loans converted to term loans |  |
Total | 9,087 | 186,583
Pass [Member] | Commercial and Industrial [Member] |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
2022 | 154,765 | 145,494
2021 | 135,162 | 81,944
2020 | 80,763 | 126,647
2019 | 101,192 | 54,690
2018 | 42,731 | 32,455
Prior | 85,406 | 73,600
Revolving loans amortized cost basis | 305,589 | 267,659
Revolving loans converted to term loans | 7,775 | 6,992
Total | 913,383 | 789,481
Pass [Member] | Dairy & Livestock and Agribusiness [Member] |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
2022 | 207 | 1,756
2021 | 2,318 | 942
2020 | 1,515 | 1,285
2019 | 187 | 1,035
2018 | 69 | 95
Prior | 628 | 295
Revolving loans amortized cost basis | 400,229 | 364,312
Revolving loans converted to term loans | 450 | 454
Total | 405,603 | 370,174
Pass [Member] | Municipal Lease Finance Receivables [Member] |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
2022 | 6,442 | 9,310
2021 | 26,858 | 7,666
2020 | 6,814 |
2019 | 4,327 | 279
2018 | 4,948 | 9,528
Prior | 31,292 | 18,811
Revolving loans amortized cost basis |  |
Revolving loans converted to term loans |  |
Total | 80,681 | 45,594
Pass [Member] | SFR mortgage [Member] |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
2022 | 63,761 | 48,813
2021 | 46,748 | 49,261
2020 | 45,819 | 41,776
2019 | 33,585 | 19,877
2018 | 15,836 | 16,046
Prior | 58,730 | 61,965
Revolving loans amortized cost basis |  | 451
Revolving loans converted to term loans |  |
Total | 264,479 | 238,189
Pass [Member] | Consumer and other loans [Member] |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
2022 | 7,653 | 5,145
2021 | 3,722 | 1,947
2020 | 1,298 | 1,415
2019 | 926 | 469
2018 | 79 | 386
Prior | 1,277 | 1,611
Revolving loans amortized cost basis | 58,578 | 58,060
Revolving loans converted to term loans | 1,107 | 3,378
Total | 74,640 | 72,411
Special Mention [Member] |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
2022 | 7,240 | 6,588
2021 | 13,436 | 22,569
2020 | 12,686 | 14,604
2019 | 36,589 | 20,852
2018 | 28,398 | 47,712
Prior | 78,625 | 47,260
Revolving loans amortized cost basis | 33,783 | 23,909
Revolving loans converted to term loans | 1,397 | 8,681
Total | 212,154 | 192,175
Special Mention [Member] | Commercial real estate loans [Member] |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
2022 | 3,285 | 3,133
2021 | 12,114 | 20,640
2020 | 11,284 | 14,477
2019 | 32,976 | 16,097
2018 | 21,646 | 43,262
Prior | 76,290 | 44,045
Revolving loans amortized cost basis | 908 | 6,970
Revolving loans converted to term loans |  | 6,800
Total | 158,503 | 155,424
Special Mention [Member] | Construction Loans [Member] |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
2022 |  |
2021 |  |
2020 |  |
2019 |  | 3,359
2018 | 4,951 |
Prior |  |
Revolving loans amortized cost basis |  |
Revolving loans converted to term loans |  |
Total | 4,951 | 3,359
Special Mention [Member] | SBA [Member] |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
2022 |  |
2021 |  |
2020 |  |
2019 | 1,321 |
2018 | 1,293 | 4,056
Prior | 2,065 | 2,700
Revolving loans amortized cost basis |  |
Revolving loans converted to term loans |  |
Total | 4,679 | 6,756
Special Mention [Member] | SBA - Paycheck Protection Program (PPP) [Member] |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
2022 |  |
2021 |  |
2020 |  |
2019 |  |
2018 |  |
Prior |  |
Revolving loans amortized cost basis |  |
Revolving loans converted to term loans |  |
Total |  |
Special Mention [Member] | Commercial and Industrial [Member] |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
2022 | 3,955 | 1,556
2021 | 761 | 1,929
2020 | 459 | 127
2019 | 1,693 | 1,396
2018 | 462 | 394
Prior | 8 | 26
Revolving loans amortized cost basis | 15,156 | 9,369
Revolving loans converted to term loans | 544 | 177
Total | 23,038 | 14,974
Special Mention [Member] | Dairy & Livestock and Agribusiness [Member] |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
2022 |  | 1,052
2021 |  |
2020 |  |
2019 | 599 |
2018 | 46 |
Prior |  |
Revolving loans amortized cost basis | 17,129 | 6,979
Revolving loans converted to term loans | 853 | 1,301
Total | 18,627 | 9,332
Special Mention [Member] | Municipal Lease Finance Receivables [Member] |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
2022 |  |
2021 |  |
2020 |  |
2019 |  |
2018 |  |
Prior | 262 | 339
Revolving loans amortized cost basis |  |
Revolving loans converted to term loans |  |
Total | 262 | 339
Special Mention [Member] | SFR mortgage [Member] |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
2022 |  | 8
2021 |  |
2020 | 943 |
2019 |  |
2018 |  |
Prior |  |
Revolving loans amortized cost basis |  |
Revolving loans converted to term loans |  |
Total | 943 | 8
Special Mention [Member] | Consumer and other loans [Member] |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
2022 |  | 839
2021 | 561 |
2020 |  |
2019 |  |
2018 |  |
Prior |  | 150
Revolving loans amortized cost basis | 590 | 591
Revolving loans converted to term loans |  | 403
Total | 1,151 | 1,983
Substandard [Member] |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
2022 | 1,535 | 244
2021 |  | 8
2020 | 16,392 | 3,461
2019 | 17,256 | 9,467
2018 | 6,369 | 9,243
Prior | 23,735 | 15,213
Revolving loans amortized cost basis | 5,046 | 7,947
Revolving loans converted to term loans | 8,325 | 10,519
Total | 78,658 | 56,102
Substandard [Member] | Commercial real estate loans [Member] |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
2022 |  |
2021 |  |
2020 | 15,624 | 2,859
2019 | 16,297 | 6,933
2018 | 94 | 4,646
Prior | 21,535 | 7,329
Revolving loans amortized cost basis |  | 5,951
Revolving loans converted to term loans |  | 114
Total | 53,550 | 27,832
Substandard [Member] | Construction Loans [Member] |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
2022 |  |
2021 |  |
2020 |  |
2019 |  |
2018 |  |
Prior |  |
Revolving loans amortized cost basis |  |
Revolving loans converted to term loans |  |
Total |  |
Substandard [Member] | SBA [Member] |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
2022 |  |
2021 |  |
2020 |  |
2019 |  | 785
2018 | 556 | 4,092
Prior | 1,181 | 5,342
Revolving loans amortized cost basis |  |
Revolving loans converted to term loans |  |
Total | 1,737 | 10,219
Substandard [Member] | SBA - Paycheck Protection Program (PPP) [Member] |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
2022 |  |
2021 |  | 2
2020 |  |
2019 |  |
2018 |  |
Prior |  |
Revolving loans amortized cost basis |  |
Revolving loans converted to term loans |  |
Total |  | 2
Substandard [Member] | Commercial and Industrial [Member] |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
2022 | 494 | 244
2021 |  | 6
2020 | 728 | 602
2019 | 959 | 1,712
2018 | 5,624 | 505
Prior | 496 | 475
Revolving loans amortized cost basis | 3,200 | 1,991
Revolving loans converted to term loans | 761 | 3,073
Total | 12,262 | 8,608
Substandard [Member] | Dairy & Livestock and Agribusiness [Member] |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
2022 | 1,041 |
2021 |  |
2020 | 40 |
2019 |  | 37
2018 | 95 |
Prior | 113 |
Revolving loans amortized cost basis | 1,841 |
Revolving loans converted to term loans | 6,204 | 6,676
Total | 9,334 | 6,713
Substandard [Member] | Municipal Lease Finance Receivables [Member] |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
2022 |  |
2021 |  |
2020 |  |
2019 |  |
2018 |  |
Prior | 183 |
Revolving loans amortized cost basis |  |
Revolving loans converted to term loans |  |
Total | 183 |
Substandard [Member] | SFR mortgage [Member] |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
2022 |  |
2021 |  |
2020 |  |
2019 |  |
2018 |  |
Prior | 214 | 2,052
Revolving loans amortized cost basis |  |
Revolving loans converted to term loans | 388 | 405
Total | 602 | 2,457
Substandard [Member] | Consumer and other loans [Member] |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
2022 |  |
2021 |  |
2020 |  |
2019 |  |
2018 |  |
Prior | 13 | 15
Revolving loans amortized cost basis | 5 | 5
Revolving loans converted to term loans | 972 | 251
Total | 990 | 271
Doubtful & Loss [Member] |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
2022 |  |
2021 |  |
2020 |  |
2019 |  |
2018 |  |
Prior |  |
Revolving loans amortized cost basis |  |
Revolving loans converted to term loans |  |
Total |  |
Doubtful & Loss [Member] | Commercial real estate loans [Member] |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
2022 |  | 0
2021 |  |
2020 |  |
2019 |  |
2018 |  |
Prior |  |
Revolving loans amortized cost basis |  |
Revolving loans converted to term loans |  |
Total |  |
Doubtful & Loss [Member] | Construction Loans [Member] |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
2022 |  |
2021 |  |
2020 |  |
2019 |  |
2018 |  |
Prior |  |
Revolving loans amortized cost basis |  |
Revolving loans converted to term loans |  |
Total |  |
Doubtful & Loss [Member] | SBA [Member] |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
2022 |  |
2021 |  |
2020 |  |
2019 |  |
2018 |  |
Prior |  |
Revolving loans amortized cost basis |  |
Revolving loans converted to term loans |  |
Total |  |
Doubtful & Loss [Member] | SBA - Paycheck Protection Program (PPP) [Member] |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
2022 |  |
2021 |  |
2020 |  |
2019 |  |
2018 |  |
Prior |  |
Revolving loans amortized cost basis |  |
Revolving loans converted to term loans |  |
Total |  |
Doubtful & Loss [Member] | Commercial and Industrial [Member] |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
2022 |  |
2021 |  |
2020 |  |
2019 |  |
2018 |  |
Prior |  |
Revolving loans amortized cost basis |  |
Revolving loans converted to term loans |  |
Total |  |
Doubtful & Loss [Member] | Dairy & Livestock and Agribusiness [Member] |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
2022 |  |
2021 |  |
2020 |  |
2019 |  |
2018 |  |
Prior |  |
Revolving loans amortized cost basis |  |
Revolving loans converted to term loans |  |
Total |  |
Doubtful & Loss [Member] | Municipal Lease Finance Receivables [Member] |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
2022 |  |
2021 |  |
2020 |  |
2019 |  |
2018 |  |
Prior |  |
Revolving loans amortized cost basis |  |
Revolving loans converted to term loans |  |
Total |  |
Doubtful & Loss [Member] | SFR mortgage [Member] |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
2022 |  |
2021 |  |
2020 |  |
2019 |  |
2018 |  |
Prior |  |
Revolving loans amortized cost basis |  |
Revolving loans converted to term loans |  |
Total |  |
Doubtful & Loss [Member] | Consumer and other loans [Member] |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
2022 |  |
2021 |  |
2020 |  |
2019 |  |
2018 |  |
Prior |  |
Revolving loans amortized cost basis |  |
Revolving loans converted to term loans |  |
Total |  |

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