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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, 2022 | Dec. 31, 2021
--- | --- | ---
Financing Receivable, Credit Quality Indicator [Line Items] |  |
2022 | $ 423,360 | $ 1,620,118
2021 | 1,712,119 | 1,183,367
2020 | 1,285,302 | 798,755
2019 | 846,207 | 677,205
2018 | 737,496 | 638,690
Prior | 2,650,718 | 2,001,549
Revolving loans amortized cost basis | 873,855 | 904,441
Revolving loans converted to term loans | 62,627 | 63,588
Total | 8,591,684 | 7,887,713
Commercial real estate loans [Member] |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
2022 | 310,245 | 1,140,847
2021 | 1,276,308 | 984,337
2020 | 1,062,243 | 608,538
2019 | 663,980 | 557,498
2018 | 612,528 | 532,629
Prior | 2,296,106 | 1,755,641
Revolving loans amortized cost basis | 209,412 | 169,762
Revolving loans converted to term loans | 40,019 | 40,478
Total | 6,470,841 | 5,789,730
Construction [Member] |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
2022 | 3,150 | 10,511
2021 | 20,766 | 15,896
2020 | 24,308 | 7,236
2019 | 0 | 3,359
2018 | 5,171 | 0
Prior | 0 | 0
Revolving loans amortized cost basis | 20,083 | 25,262
Revolving loans converted to term loans | 0 | 0
Total | 73,478 | 62,264
SBA [Member] |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
2022 | 29,451 | 70,929
2021 | 65,744 | 36,468
2020 | 37,879 | 11,129
2019 | 13,222 | 36,853
2018 | 33,522 | 46,652
Prior | 131,219 | 86,569
Revolving loans amortized cost basis | 201 | 0
Revolving loans converted to term loans | 0 | 0
Total | 311,238 | 288,600
SBA - Paycheck Protection Program (PPP) [Member] |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
2022 | 0 | 183,614
2021 | 113,320 | 2,971
2020 | 7,869 | 0
2019 | 0 | 0
2018 | 0 | 0
Prior | 0 | 0
Revolving loans amortized cost basis | 0 | 0
Revolving loans converted to term loans | 0 | 0
Total | 121,189 | 186,585
Commercial And Industrial [Member] |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
2022 | 44,239 | 147,294
2021 | 165,583 | 83,879
2020 | 92,633 | 127,376
2019 | 122,880 | 57,798
2018 | 59,465 | 33,354
Prior | 113,542 | 74,101
Revolving loans amortized cost basis | 316,489 | 279,019
Revolving loans converted to term loans | 9,949 | 10,242
Total | 924,780 | 813,063
Dairy And Livestock And Agribusiness [Member] |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
2022 | 749 | 2,808
2021 | 4,012 | 942
2020 | 3,138 | 1,285
2019 | 1,175 | 1,072
2018 | 2,934 | 95
Prior | 2,232 | 295
Revolving loans amortized cost basis | 270,813 | 371,291
Revolving loans converted to term loans | 7,731 | 8,431
Total | 292,784 | 386,219
Municipal Lease Finance Receivables [Member] |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
2022 | 0 | 9,310
2021 | 13,087 | 7,666
2020 | 7,416 | 0
2019 | 4,417 | 279
2018 | 5,196 | 9,528
Prior | 35,427 | 19,150
Revolving loans amortized cost basis | 0 | 0
Revolving loans converted to term loans | 0 | 0
Total | 65,543 | 45,933
SFR mortgage [Member] |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
2022 | 29,913 | 48,821
2021 | 48,149 | 49,261
2020 | 48,027 | 41,776
2019 | 39,231 | 19,877
2018 | 18,257 | 16,046
Prior | 70,705 | 64,017
Revolving loans amortized cost basis | 451 | 451
Revolving loans converted to term loans | 403 | 405
Total | 255,136 | 240,654
Consumer Other [Member] |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
2022 | 5,613 | 5,984
2021 | 5,150 | 1,947
2020 | 1,789 | 1,415
2019 | 1,302 | 469
2018 | 423 | 386
Prior | 1,487 | 1,776
Revolving loans amortized cost basis | 56,406 | 58,656
Revolving loans converted to term loans | 4,525 | 4,032
Total | 76,695 | 74,665
Pass [Member] |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
2022 | 422,849 | 1,613,286
2021 | 1,698,664 | 1,160,790
2020 | 1,253,006 | 780,690
2019 | 827,483 | 646,886
2018 | 695,279 | 581,735
Prior | 2,530,706 | 1,939,076
Revolving loans amortized cost basis | 851,254 | 872,585
Revolving loans converted to term loans | 44,971 | 44,388
Total | 8,324,212 | 7,639,436
Pass [Member] | Commercial real estate loans [Member] |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
2022 | 309,734 | 1,137,714
2021 | 1,266,416 | 963,697
2020 | 1,034,822 | 591,202
2019 | 650,330 | 534,468
2018 | 584,265 | 484,721
Prior | 2,195,297 | 1,704,267
Revolving loans amortized cost basis | 203,627 | 156,841
Revolving loans converted to term loans | 34,407 | 33,564
Total | 6,278,898 | 5,606,474
Pass [Member] | Construction [Member] |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
2022 | 3,150 | 10,511
2021 | 20,766 | 15,896
2020 | 24,308 | 7,236
2019 | 0 | 0
2018 | 1,389 | 0
Prior | 0 | 0
Revolving loans amortized cost basis | 20,083 | 25,262
Revolving loans converted to term loans | 0 | 0
Total | 69,696 | 58,905
Pass [Member] | SBA [Member] |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
2022 | 29,451 | 70,929
2021 | 65,744 | 36,468
2020 | 36,025 | 11,129
2019 | 11,881 | 36,068
2018 | 31,312 | 38,504
Prior | 116,138 | 78,527
Revolving loans amortized cost basis | 201 | 0
Revolving loans converted to term loans | 0 | 0
Total | 290,752 | 271,625
Pass [Member] | SBA - Paycheck Protection Program (PPP) [Member] |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
2022 | 0 | 183,614
2021 | 112,623 | 2,969
2020 | 7,867 | 0
2019 | 0 | 0
2018 | 0 | 0
Prior | 0 | 0
Revolving loans amortized cost basis | 0 | 0
Revolving loans converted to term loans | 0 | 0
Total | 120,490 | 186,583
Pass [Member] | Commercial And Industrial [Member] |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
2022 | 44,239 | 145,494
2021 | 163,488 | 81,944
2020 | 90,575 | 126,647
2019 | 119,147 | 54,690
2018 | 53,297 | 32,455
Prior | 112,214 | 73,600
Revolving loans amortized cost basis | 307,641 | 267,659
Revolving loans converted to term loans | 6,954 | 6,992
Total | 897,555 | 789,481
Pass [Member] | Dairy And Livestock And Agribusiness [Member] |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
2022 | 749 | 1,756
2021 | 4,012 | 942
2020 | 3,138 | 1,285
2019 | 1,175 | 1,035
2018 | 1,140 | 95
Prior | 1,334 | 295
Revolving loans amortized cost basis | 263,440 | 364,312
Revolving loans converted to term loans | 399 | 454
Total | 275,387 | 370,174
Pass [Member] | Municipal Lease Finance Receivables [Member] |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
2022 | 0 | 9,310
2021 | 13,087 | 7,666
2020 | 7,416 | 0
2019 | 4,417 | 279
2018 | 5,196 | 9,528
Prior | 34,896 | 18,811
Revolving loans amortized cost basis | 0 | 0
Revolving loans converted to term loans | 0 | 0
Total | 65,012 | 45,594
Pass [Member] | SFR mortgage [Member] |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
2022 | 29,913 | 48,813
2021 | 48,149 | 49,261
2020 | 47,066 | 41,776
2019 | 39,231 | 19,877
2018 | 18,257 | 16,046
Prior | 69,355 | 61,965
Revolving loans amortized cost basis | 451 | 451
Revolving loans converted to term loans | 0 | 0
Total | 252,422 | 238,189
Pass [Member] | Consumer Other [Member] |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
2022 | 5,613 | 5,145
2021 | 4,379 | 1,947
2020 | 1,789 | 1,415
2019 | 1,302 | 469
2018 | 423 | 386
Prior | 1,472 | 1,611
Revolving loans amortized cost basis | 55,811 | 58,060
Revolving loans converted to term loans | 3,211 | 3,378
Total | 74,000 | 72,411
Special Mention [Member] |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
2022 | 511 | 6,588
2021 | 9,550 | 22,569
2020 | 31,735 | 14,604
2019 | 17,951 | 20,852
2018 | 28,291 | 47,712
Prior | 92,518 | 47,260
Revolving loans amortized cost basis | 15,160 | 23,909
Revolving loans converted to term loans | 7,648 | 8,681
Total | 203,364 | 192,175
Special Mention [Member] | Commercial real estate loans [Member] |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
2022 | 511 | 3,133
2021 | 6,368 | 20,640
2020 | 26,868 | 14,477
2019 | 13,203 | 16,097
2018 | 21,280 | 43,262
Prior | 86,656 | 44,045
Revolving loans amortized cost basis | 3,285 | 6,970
Revolving loans converted to term loans | 5,500 | 6,800
Total | 163,671 | 155,424
Special Mention [Member] | Construction [Member] |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
2022 | 0 | 0
2021 | 0 | 0
2020 | 0 | 0
2019 | 0 | 3,359
2018 | 3,782 | 0
Prior | 0 | 0
Revolving loans amortized cost basis | 0 | 0
Revolving loans converted to term loans | 0 | 0
Total | 3,782 | 3,359
Special Mention [Member] | SBA [Member] |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
2022 | 0 | 0
2021 | 0 | 0
2020 | 1,854 | 0
2019 | 1,341 | 0
2018 | 1,442 | 4,056
Prior | 5,224 | 2,700
Revolving loans amortized cost basis | 0 | 0
Revolving loans converted to term loans | 0 | 0
Total | 9,861 | 6,756
Special Mention [Member] | SBA - Paycheck Protection Program (PPP) [Member] |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
2022 |  | 0
2021 | 562 | 0
2020 | 0 | 0
2019 | 0 | 0
2018 | 0 | 0
Prior | 0 | 0
Revolving loans amortized cost basis | 0 | 0
Revolving loans converted to term loans | 0 | 0
Total | 562 | 0
Special Mention [Member] | Commercial And Industrial [Member] |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
2022 | 0 | 1,556
2021 | 1,849 | 1,929
2020 | 2,052 | 127
2019 | 3,407 | 1,396
2018 | 1,787 | 394
Prior | 299 | 26
Revolving loans amortized cost basis | 7,338 | 9,369
Revolving loans converted to term loans | 463 | 177
Total | 17,195 | 14,974
Special Mention [Member] | Dairy And Livestock And Agribusiness [Member] |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
2022 | 0 | 1,052
2021 | 0 | 0
2020 | 0 | 0
2019 | 0 | 0
2018 | 0 | 0
Prior | 0 | 0
Revolving loans amortized cost basis | 3,947 | 6,979
Revolving loans converted to term loans | 1,283 | 1,301
Total | 5,230 | 9,332
Special Mention [Member] | Municipal Lease Finance Receivables [Member] |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
2022 | 0 | 0
2021 | 0 | 0
2020 | 0 | 0
2019 | 0 | 0
2018 | 0 | 0
Prior | 339 | 339
Revolving loans amortized cost basis | 0 | 0
Revolving loans converted to term loans | 0 | 0
Total | 339 | 339
Special Mention [Member] | SFR mortgage [Member] |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
2022 | 0 | 8
2021 | 0 | 0
2020 | 961 | 0
2019 | 0 | 0
2018 | 0 | 0
Prior | 0 | 0
Revolving loans amortized cost basis | 0 | 0
Revolving loans converted to term loans | 0 | 0
Total | 961 | 8
Special Mention [Member] | Consumer Other [Member] |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
2022 | 0 | 839
2021 | 771 | 0
2020 |  | 0
2019 | 0 | 0
2018 | 0 | 0
Prior | 0 | 150
Revolving loans amortized cost basis | 590 | 591
Revolving loans converted to term loans | 402 | 403
Total | 1,763 | 1,983
Substandard [Member] |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
2022 |  | 244
2021 | 3,905 | 8
2020 | 561 | 3,461
2019 | 773 | 9,467
2018 | 13,926 | 9,243
Prior | 27,494 | 15,213
Revolving loans amortized cost basis | 7,441 | 7,947
Revolving loans converted to term loans | 10,008 | 10,519
Total | 64,108 | 56,102
Substandard [Member] | Commercial real estate loans [Member] |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
2022 | 0 | 0
2021 | 3,524 | 0
2020 | 553 | 2,859
2019 | 447 | 6,933
2018 | 6,983 | 4,646
Prior | 14,153 | 7,329
Revolving loans amortized cost basis | 2,500 | 5,951
Revolving loans converted to term loans | 112 | 114
Total | 28,272 | 27,832
Substandard [Member] | Construction [Member] |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
2022 | 0 | 0
2021 | 0 | 0
2020 | 0 | 0
2019 | 0 | 0
2018 | 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] |  |
2022 | 0 | 0
2021 | 0 | 0
2020 | 0 | 0
2019 | 0 | 785
2018 | 768 | 4,092
Prior | 9,857 | 5,342
Revolving loans amortized cost basis | 0 | 0
Revolving loans converted to term loans | 0 | 0
Total | 10,625 | 10,219
Substandard [Member] | SBA - Paycheck Protection Program (PPP) [Member] |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
2022 | 0 | 0
2021 | 135 | 2
2020 | 2 | 0
2019 | 0 | 0
2018 | 0 | 0
Prior | 0 | 0
Revolving loans amortized cost basis | 0 | 0
Revolving loans converted to term loans | 0 | 0
Total | 137 | 2
Substandard [Member] | Commercial And Industrial [Member] |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
2022 | 0 | 244
2021 | 246 | 6
2020 | 6 | 602
2019 | 326 | 1,712
2018 | 4,381 | 505
Prior | 1,029 | 475
Revolving loans amortized cost basis | 1,510 | 1,991
Revolving loans converted to term loans | 2,532 | 3,073
Total | 10,030 | 8,608
Substandard [Member] | Dairy And Livestock And Agribusiness [Member] |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
2022 | 0 | 0
2021 | 0 | 0
2020 | 0 | 0
2019 | 0 | 37
2018 | 1,794 | 0
Prior | 898 | 0
Revolving loans amortized cost basis | 3,426 | 0
Revolving loans converted to term loans | 6,049 | 6,676
Total | 12,167 | 6,713
Substandard [Member] | Municipal Lease Finance Receivables [Member] |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
2022 | 0 | 0
2021 | 0 | 0
2020 | 0 | 0
2019 | 0 | 0
2018 | 0 | 0
Prior | 192 | 0
Revolving loans amortized cost basis | 0 | 0
Revolving loans converted to term loans | 0 | 0
Total | 192 | 0
Substandard [Member] | SFR mortgage [Member] |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
2022 | 0 | 0
2021 | 0 | 0
2020 | 0 | 0
2019 | 0 | 0
2018 | 0 | 0
Prior | 1,350 | 2,052
Revolving loans amortized cost basis | 0 | 0
Revolving loans converted to term loans | 403 | 405
Total | 1,753 | 2,457
Substandard [Member] | Consumer Other [Member] |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
2022 | 0 | 0
2021 | 0 | 0
2020 | 0 | 0
2019 | 0 | 0
2018 | 0 | 0
Prior | 15 | 15
Revolving loans amortized cost basis | 5 | 5
Revolving loans converted to term loans | 912 | 251
Total | 932 | 271
Doubtful [Member] |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
2022 | 0 | 0
2021 | 0 | 0
2020 | 0 | 0
2019 | 0 | 0
2018 | 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] |  |
2022 | 0 | 0
2021 | 0 | 0
2020 | 0 | 0
2019 | 0 | 0
2018 | 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] |  |
2022 | 0 | 0
2021 | 0 | 0
2020 | 0 | 0
2019 | 0 | 0
2018 | 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] |  |
2022 | 0 | 0
2021 | 0 | 0
2020 | 0 | 0
2019 | 0 | 0
2018 | 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] |  |
2022 | 0 | 0
2021 | 0 | 0
2020 | 0 | 0
2019 | 0 | 0
2018 | 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] |  |
2022 | 0 | 0
2021 | 0 | 0
2020 | 0 | 0
2019 | 0 | 0
2018 | 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] | Dairy And Livestock And Agribusiness [Member] |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
2022 | 0 | 0
2021 | 0 | 0
2020 | 0 | 0
2019 | 0 | 0
2018 | 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] |  |
2022 | 0 | 0
2021 | 0 | 0
2020 | 0 | 0
2019 | 0 | 0
2018 | 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] | SFR mortgage [Member] |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
2022 | 0 | 0
2021 | 0 | 0
2020 | 0 | 0
2019 | 0 | 0
2018 | 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] |  |
2022 | 0 | 0
2021 | 0 | 0
2020 | 0 | 0
2019 | 0 | 0
2018 | 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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