Quarterly report [Sections 13 or 15(d)]

Loans - Loans by Vintage Year and Risk Rating (Detail)

v3.26.3
Loans - Loans by Vintage Year and Risk Rating (Detail) - USD ($)
$ in Thousands
Sep. 30, 2026
Dec. 31, 2025
Financing Receivable, Credit Quality Indicator [Line Items]    
2026 $ 1,693,044 $ 2,080,468
2026 - YTD gross   19
2026 - YTD net   11
2025 1,322,511 747,660
2025 - YTD gross 1,716 1,248
2025 - YTD Net 1,707 1,197
2024 595,903 742,292
2024 - YTD gross 1,223 2,787
2024 - YTD net 1,163 2,351
2023 530,769 1,272,908
2023 - YTD gross 4,575 14,331
2023- YTD net 4,329 12,876
2022 1,147,697 908,835
2022 - YTD gross 1,918 1,788
2022 - YTD net 1,367 913
Prior 874,842 405,650
Prior - Gross 656 873
Prior - Net (358) (216)
Revolving Loans Amortized Cost Basis 403,935 405,555
Revolving Loans Amortized Cost Basis - YTD gross   0
Revolving Loans Amortized Cost Basis - YTD net (2) (2,725)
Loans receivable 6,568,701 6,563,368
Loans receivable gross chargeoff 10,088 21,046
Loans receivable net chargeoff 8,206 14,407
Pass/Pass-Watch    
Financing Receivable, Credit Quality Indicator [Line Items]    
2026 1,683,767 2,021,087
2025 1,266,780 746,934
2024 594,100 741,090
2023 529,332 1,244,285
2022 1,086,492 906,881
Prior 869,878 401,134
Revolving Loans Amortized Cost Basis 403,935 404,953
Loans receivable 6,434,284 6,466,364
Special Mention    
Financing Receivable, Credit Quality Indicator [Line Items]    
2026 1,039 55,029
2025 54,237  
2023 519 14,165
2022   1,371
Prior 426 298
Revolving Loans Amortized Cost Basis   250
Loans receivable 56,221 71,113
Classified    
Financing Receivable, Credit Quality Indicator [Line Items]    
2026 8,238 4,352
2025 1,494 726
2024 1,803 1,202
2023 918 14,458
2022 61,205 583
Prior 4,538 4,218
Revolving Loans Amortized Cost Basis   352
Loans receivable 78,196 25,891
Residential    
Financing Receivable, Credit Quality Indicator [Line Items]    
Loans receivable 1,001,824 1,049,872
Real Estate    
Financing Receivable, Credit Quality Indicator [Line Items]    
2026 1,196,992 1,509,300
2026 - YTD net   (8)
2025 1,017,111 490,808
2025 - YTD Net (7)  
2024 409,047 614,953
2023 445,424 1,149,359
2023 - YTD gross 3,196 8,820
2023- YTD net 3,196 8,547
2022 1,087,717 869,292
2022 - YTD gross 284  
2022 - YTD net 284  
Prior 848,508 387,037
Prior - Gross 91 392
Prior - Net (13) (28)
Revolving Loans Amortized Cost Basis 52,689 59,228
Loans receivable 5,057,488 5,079,977
Loans receivable gross chargeoff 3,571 9,212
Loans receivable net chargeoff 3,460 8,511
Real Estate | Pass/Pass-Watch    
Financing Receivable, Credit Quality Indicator [Line Items]    
2026 1,193,082 1,450,425
2025 962,303 490,808
2024 407,880 614,953
2023 444,584 1,134,446
2022 1,027,870 867,921
Prior 844,020 382,674
Revolving Loans Amortized Cost Basis 52,689 58,978
Loans receivable 4,932,428 5,000,205
Real Estate | Special Mention    
Financing Receivable, Credit Quality Indicator [Line Items]    
2026 808 55,029
2025 54,237  
2023 519 2,565
2022   1,371
Prior 426 298
Revolving Loans Amortized Cost Basis   250
Loans receivable 55,990 59,513
Real Estate | Classified    
Financing Receivable, Credit Quality Indicator [Line Items]    
2026 3,102 3,846
2025 571  
2024 1,167  
2023 321 12,348
2022 59,847  
Prior 4,062 4,065
Loans receivable 69,070 20,259
Real Estate | Total commercial property loans    
Financing Receivable, Credit Quality Indicator [Line Items]    
2026 1,056,475 1,240,708
2026 - YTD net   (8)
2025 828,301 402,354
2025 - YTD Net (7)  
2024 346,220 472,027
2023 334,329 819,703
2023 - YTD gross 3,196 8,820
2023- YTD net 3,196 8,547
2022 783,689 736,782
2022 - YTD gross 41  
2022 - YTD net 41  
Prior 647,929 289,965
Prior - Gross 91 392
Prior - Net (11) (24)
Revolving Loans Amortized Cost Basis 47,523 54,824
Loans receivable 4,044,466 4,016,363
Loans receivable gross chargeoff 3,328 9,212
Loans receivable net chargeoff 3,219 8,515
Real Estate | Total commercial property loans | Pass/Pass-Watch    
Financing Receivable, Credit Quality Indicator [Line Items]    
2026 1,052,565 1,181,833
2025 773,493 402,354
2024 346,220 472,027
2023 333,810 808,320
2022 726,724 735,411
Prior 643,852 285,598
Revolving Loans Amortized Cost Basis 47,523 54,824
Loans receivable 3,924,187 3,940,367
Real Estate | Total commercial property loans | Special Mention    
Financing Receivable, Credit Quality Indicator [Line Items]    
2026 808 55,029
2025 54,237  
2023 519 148
2022   1,371
Prior 426 298
Loans receivable 55,990 56,846
Real Estate | Total commercial property loans | Classified    
Financing Receivable, Credit Quality Indicator [Line Items]    
2026 3,102 3,846
2025 571  
2023   11,235
2022 56,965  
Prior 3,651 4,069
Loans receivable 64,289 19,150
Real Estate | Construction    
Financing Receivable, Credit Quality Indicator [Line Items]    
2026   9,745
2025 7,199 3,997
2024 3,999  
Prior - Net   (28)
Loans receivable 11,198 13,742
Loans receivable gross chargeoff   9,212
Loans receivable net chargeoff   8,511
Real Estate | Construction | Pass/Pass-Watch    
Financing Receivable, Credit Quality Indicator [Line Items]    
2026   9,745
2025 7,199 3,997
2024 3,999  
Loans receivable 11,198 13,742
Real Estate | Residential    
Financing Receivable, Credit Quality Indicator [Line Items]    
2026 140,517 258,847
2025 181,611 84,457
2024 58,828 142,926
2023 111,095 329,656
2022 304,028 132,510
2022 - YTD gross 243  
2022 - YTD net 243  
Prior 200,579 97,072
Prior - Net (2) (4)
Revolving Loans Amortized Cost Basis 5,166 4,404
Loans receivable 1,001,824 1,049,872
Loans receivable gross chargeoff 243  
Loans receivable net chargeoff 241 (4)
Real Estate | Residential | Pass/Pass-Watch    
Financing Receivable, Credit Quality Indicator [Line Items]    
2026 140,517 258,847
2025 181,611 84,457
2024 57,661 142,926
2023 110,774 326,126
2022 301,146 132,510
Prior 200,168 97,076
Revolving Loans Amortized Cost Basis 5,166 4,154
Loans receivable 997,043 1,046,096
Real Estate | Residential | Special Mention    
Financing Receivable, Credit Quality Indicator [Line Items]    
2023   2,417
Revolving Loans Amortized Cost Basis   250
Loans receivable   2,667
Real Estate | Residential | Classified    
Financing Receivable, Credit Quality Indicator [Line Items]    
2024 1,167  
2023 321 1,113
2022 2,882  
Prior 411 (4)
Loans receivable 4,781 1,109
Real Estate | Residential    
Financing Receivable, Credit Quality Indicator [Line Items]    
2026 140,517 258,847
2025 181,611 84,457
2024 58,828 142,926
2023 111,095 329,656
2022 304,028 132,510
2022 - YTD gross 243  
2022 - YTD net 243  
Prior 200,579 97,072
Prior - Net (2) (4)
Revolving Loans Amortized Cost Basis 5,166 4,404
Loans receivable 1,001,824 1,049,872
Loans receivable gross chargeoff 243  
Loans receivable net chargeoff 241 (4)
Commercial and Industrial    
Financing Receivable, Credit Quality Indicator [Line Items]    
2026 411,081 426,520
2026 - YTD gross   19
2026 - YTD net   19
2025 199,960 168,307
2025 - YTD gross 56 373
2025 - YTD Net 56 366
2024 127,254 40,485
2024 - YTD gross 181 59
2024 - YTD net 181 54
2023 32,953 56,545
2023 - YTD gross 115 853
2023- YTD net 114 750
2022 28,047 19,772
2022 - YTD gross 154 82
2022 - YTD net 117 82
Prior 21,073 16,952
Prior - Gross 78 322
Prior - Net 12 46
Revolving Loans Amortized Cost Basis 351,246 346,327
Revolving Loans Amortized Cost Basis - YTD net (2) (2,723)
Loans receivable 1,171,614 1,074,908
Loans receivable gross chargeoff 584 1,708
Loans receivable net chargeoff 478 (1,406)
Commercial and Industrial | Pass/Pass-Watch    
Financing Receivable, Credit Quality Indicator [Line Items]    
2026 405,714 426,520
2025 199,835 168,307
2024 127,254 40,485
2023 32,953 44,797
2022 27,932 19,772
Prior 20,861 16,931
Revolving Loans Amortized Cost Basis 351,246 345,975
Loans receivable 1,165,795 1,062,787
Commercial and Industrial | Special Mention    
Financing Receivable, Credit Quality Indicator [Line Items]    
2026 231  
2023   11,600
Loans receivable 231 11,600
Commercial and Industrial | Classified    
Financing Receivable, Credit Quality Indicator [Line Items]    
2026 5,136  
2025 125  
2023   148
2022 115  
Prior 212 21
Revolving Loans Amortized Cost Basis   352
Loans receivable 5,588 521
Equipment Financing Agreements    
Financing Receivable, Credit Quality Indicator [Line Items]    
2026 84,971 144,648
2025 105,440 88,545
2025 - YTD gross 1,660 875
2025 - YTD Net 1,658 831
2024 59,602 86,854
2024 - YTD gross 1,042 2,728
2024 - YTD net 982 2,297
2023 52,392 67,004
2023 - YTD gross 1,264 4,658
2023- YTD net 1,019 3,579
2022 31,933 19,771
2022 - YTD gross 1,480 1,706
2022 - YTD net 966 831
Prior 5,261 1,661
Prior - Gross 487 159
Prior - Net (357) (234)
Revolving Loans Amortized Cost Basis - YTD net   (2)
Loans receivable 339,599 408,483
Loans receivable gross chargeoff 5,933 10,126
Loans receivable net chargeoff 4,268 7,302
Equipment Financing Agreements | Pass/Pass-Watch    
Financing Receivable, Credit Quality Indicator [Line Items]    
2026 84,971 144,142
2025 104,642 87,819
2024 58,966 85,652
2023 51,795 65,042
2022 30,690 19,188
Prior 4,997 1,529
Loans receivable 336,061 403,372
Equipment Financing Agreements | Classified    
Financing Receivable, Credit Quality Indicator [Line Items]    
2026   506
2025 798 726
2024 636 1,202
2023 597 1,962
2022 1,243 583
Prior 264 132
Loans receivable $ 3,538 $ 5,111