Quarterly report [Sections 13 or 15(d)]

Loans - Loans by Vintage Year and Payment Performance (Detail)

v3.26.1
Loans - Loans by Vintage Year and Payment Performance (Detail) - USD ($)
$ in Thousands
Mar. 31, 2026
Dec. 31, 2025
Financing Receivable, Credit Quality Indicator [Line Items]    
2026 $ 677,106 $ 2,080,468
2025 1,677,260 747,660
2024 686,702 742,292
2023 671,736 1,272,908
2022 1,217,413 908,835
Prior 1,191,964 405,650
Revolving Loans Amortized Cost Basis 423,285 405,555
Loans receivable 6,545,466 6,563,368
2026 - YTD gross   19
2026 - YTD net   11
2025 - YTD gross 1,124 1,248
2025 - YTD Net 1,122 1,197
2024 - YTD gross 377 2,787
2024 - YTD net 335 2,351
2023 - YTD gross 512 14,331
2023- YTD net 461 12,876
2022 - YTD gross 839 1,788
2022 - YTD net 695 913
Prior - Gross 319 873
Prior - Net (14) (216)
Revolving Loans Amortized Cost Basis - YTD gross   0
Revolving Loans Amortized Cost Basis - YTD net (1) (2,725)
Loans gross chargeoff 3,171 21,046
Loans receivable net chargeoff 2,598 14,407
Performing    
Financing Receivable, Credit Quality Indicator [Line Items]    
2026 677,106 2,079,291
2025 1,672,596 746,934
2024 685,839 741,090
2023 669,782 1,259,475
2022 1,214,446 908,252
Prior 1,189,993 404,659
Revolving Loans Amortized Cost Basis 423,285 405,555
Loans receivable 6,533,047 6,545,256
Nonperforming    
Financing Receivable, Credit Quality Indicator [Line Items]    
2026   1,177
2025 4,664 726
2024 863 1,202
2023 1,954 13,433
2022 2,967 583
Prior 1,971 991
Loans receivable 12,419 18,112
Residential    
Financing Receivable, Credit Quality Indicator [Line Items]    
Loans receivable 1,002,223 1,049,872
Real Estate    
Financing Receivable, Credit Quality Indicator [Line Items]    
2026 423,883 1,509,300
2025 1,228,601 490,808
2024 455,542 614,953
2023 560,073 1,149,359
2022 1,118,791 869,292
Prior 1,151,437 387,037
Revolving Loans Amortized Cost Basis 62,040 59,228
Loans receivable 5,000,367 5,079,977
2026 - YTD net   (8)
2025 - YTD Net (2)  
2023 - YTD gross   8,820
2023- YTD net   8,547
2022 - YTD gross 40  
2022 - YTD net 41  
Prior - Gross 92 392
Prior - Net 48 (28)
Loans gross chargeoff 132 9,212
Loans receivable net chargeoff 87 8,511
Real Estate | Performing    
Financing Receivable, Credit Quality Indicator [Line Items]    
2026 423,883 1,508,629
2025 1,224,830 490,808
2024 455,542 614,953
2023 559,181 1,137,934
2022 1,117,237 869,292
Prior 1,150,076 386,178
Revolving Loans Amortized Cost Basis 62,040 59,228
Loans receivable 4,992,789 5,067,022
Real Estate | Nonperforming    
Financing Receivable, Credit Quality Indicator [Line Items]    
2026   671
2025 3,771  
2023 892 11,425
2022 1,554  
Prior 1,361 859
Loans receivable 7,578 12,955
Real Estate | Total commercial property loans    
Financing Receivable, Credit Quality Indicator [Line Items]    
2026 394,740 1,240,708
2025 993,693 402,354
2024 382,505 472,027
2023 426,573 819,703
2022 801,321 736,782
Prior 929,701 289,965
Revolving Loans Amortized Cost Basis 55,860 54,824
Loans receivable 3,984,393 4,016,363
2026 - YTD net   (8)
2025 - YTD Net (2)  
2023 - YTD gross   8,820
2023- YTD net   8,547
2022 - YTD gross 40  
2022 - YTD net 41  
Prior - Gross 92 392
Prior - Net 50 (24)
Loans gross chargeoff 132 9,212
Loans receivable net chargeoff 89 8,515
Real Estate | Total commercial property loans | Performing    
Financing Receivable, Credit Quality Indicator [Line Items]    
2026 394,740 1,240,037
2025 989,922 402,354
2024 382,505 472,027
2023 426,573 809,391
2022 800,880 736,782
Prior 928,336 289,102
Revolving Loans Amortized Cost Basis 55,860 54,824
Loans receivable 3,978,816 4,004,517
Real Estate | Total commercial property loans | Nonperforming    
Financing Receivable, Credit Quality Indicator [Line Items]    
2026   671
2025 3,771  
2023   10,312
2022 441  
Prior 1,365 863
Loans receivable 5,577 11,846
Real Estate | Construction    
Financing Receivable, Credit Quality Indicator [Line Items]    
2026   9,745
2025 9,753 3,997
2024 3,998  
Loans receivable 13,751 13,742
Prior - Net   (28)
Loans gross chargeoff   9,212
Loans receivable net chargeoff   (8,511)
Real Estate | Construction | Performing    
Financing Receivable, Credit Quality Indicator [Line Items]    
2026   9,745
2025 9,753 3,997
2024 3,998  
Loans receivable 13,751 13,742
Real Estate | Residential    
Financing Receivable, Credit Quality Indicator [Line Items]    
2026 29,143 258,847
2025 225,155 84,457
2024 69,039 142,926
2023 133,500 329,656
2022 317,470 132,510
Prior 221,736 97,072
Revolving Loans Amortized Cost Basis 6,180 4,404
Loans receivable 1,002,223 1,049,872
Prior - Net   (4)
Revolving Loans Amortized Cost Basis - YTD net (2)  
Loans receivable net chargeoff (2) (4)
Real Estate | Residential | Performing    
Financing Receivable, Credit Quality Indicator [Line Items]    
2026 29,143 258,847
2025 225,155 84,457
2024 69,039 142,926
2023 132,608 328,543
2022 316,357 132,510
Prior 221,740 97,076
Revolving Loans Amortized Cost Basis 6,180 4,404
Loans receivable 1,000,222 1,048,763
Real Estate | Residential | Nonperforming    
Financing Receivable, Credit Quality Indicator [Line Items]    
2023 892 1,113
2022 1,113  
Prior (4) (4)
Loans receivable 2,001 1,109
Commercial and Industrial    
Financing Receivable, Credit Quality Indicator [Line Items]    
2026 212,215 426,520
2025 318,195 168,307
2024 152,844 40,485
2023 37,731 56,545
2022 44,360 19,772
Prior 25,954 16,952
Revolving Loans Amortized Cost Basis 361,245 346,327
Loans receivable 1,152,544 1,074,908
2026 - YTD gross   19
2026 - YTD net   19
2025 - YTD gross   373
2025 - YTD Net   366
2024 - YTD gross 76 59
2024 - YTD net 76 54
2023 - YTD gross   853
2023- YTD net   750
2022 - YTD gross   82
2022 - YTD net (24) 82
Prior - Gross 51 322
Prior - Net 37 46
Revolving Loans Amortized Cost Basis - YTD net (1) (2,723)
Loans gross chargeoff 127 1,708
Loans receivable net chargeoff 88 (1,406)
Commercial and Industrial | Performing    
Financing Receivable, Credit Quality Indicator [Line Items]    
2026 212,215 426,520
2025 318,195 168,307
2024 152,753 40,485
2023 37,731 56,499
2022 44,323 19,772
Prior 25,954 16,952
Revolving Loans Amortized Cost Basis 361,245 346,327
Loans receivable 1,152,416 1,074,862
Commercial and Industrial | Nonperforming    
Financing Receivable, Credit Quality Indicator [Line Items]    
2024 91  
2023   46
2022 37  
Loans receivable 128 46
Equipment Financing Agreements    
Financing Receivable, Credit Quality Indicator [Line Items]    
2026 41,008 144,648
2025 130,464 88,545
2024 78,316 86,854
2023 73,932 67,004
2022 54,262 19,771
Prior 14,573 1,661
Loans receivable 392,555 408,483
2025 - YTD gross 1,124 875
2025 - YTD Net 1,124 831
2024 - YTD gross 301 2,728
2024 - YTD net 259 2,297
2023 - YTD gross 512 4,658
2023- YTD net 461 3,579
2022 - YTD gross 799 1,706
2022 - YTD net 678 831
Prior - Gross 176 159
Prior - Net (99) (234)
Revolving Loans Amortized Cost Basis - YTD net   (2)
Loans gross chargeoff 2,912 10,126
Loans receivable net chargeoff 2,423 7,302
Equipment Financing Agreements | Performing    
Financing Receivable, Credit Quality Indicator [Line Items]    
2026 41,008 144,142
2025 129,571 87,819
2024 77,544 85,652
2023 72,870 65,042
2022 52,886 19,188
Prior 13,963 1,529
Loans receivable 387,842 403,372
Equipment Financing Agreements | Nonperforming    
Financing Receivable, Credit Quality Indicator [Line Items]    
2026   506
2025 893 726
2024 772 1,202
2023 1,062 1,962
2022 1,376 583
Prior 610 132
Loans receivable $ 4,713 $ 5,111