v3.25.4
Segmented information - Financial Information by Segment (Details) - USD ($)
$ in Thousands
 12 Months Ended
Dec. 31, 2025
Dec. 31, 2024
Dec. 31, 2023
Segment Reporting Information [Line Items]      
Assets $ 14,094,894 $ 14,231,396  
Interest income 557,110 585,717 $ 545,630
Interest expense 193,028 234,514 178,670
Net interest income 364,082 351,203 366,960
Non-interest income 242,907 230,015 212,336
Provision for credit (losses) recoveries (217) (1,662) (4,452)
Net revenue before gains and losses 606,772 579,556 574,844
Gains and losses 20 377 3,753
Total net revenue 606,792 579,933 578,597
Salaries and other employee benefits 182,635 174,024 177,939
Technology and communications 56,221 56,289 51,934
Indirect taxes 23,289 22,672 21,457
Professional and outside services 21,904 22,694 21,056
Property 21,572 22,494 21,651
Amortization of intangible assets 8,002 8,006 5,728
Total depreciation charged to operating expenses 21,343 21,354 19,767
Income tax benefit (expense) 6,024 4,531 767
Other expenses 33,860 31,553 32,806
Expenses Total 374,850 363,617 353,105
Net income 231,942 216,316 225,492
Bermuda      
Segment Reporting Information [Line Items]      
Interest income 215,493 222,674 220,946
Interest expense 42,010 53,559 36,511
Net interest income 173,483 169,115 184,435
Cayman      
Segment Reporting Information [Line Items]      
Interest income 155,681 159,109 159,043
Interest expense 38,331 46,948 31,214
Net interest income 117,350 112,161 127,829
Channel Islands and the UK      
Segment Reporting Information [Line Items]      
Interest income 185,795 203,696 165,558
Interest expense 112,687 134,007 110,945
Net interest income 73,108 69,689 54,613
Other      
Segment Reporting Information [Line Items]      
Interest income 141 238 83
Interest expense 0 0 0
Net interest income 141 238 83
Operating Segments      
Segment Reporting Information [Line Items]      
Assets 14,206,067 14,365,413  
Interest income 560,675 599,180 555,821
Interest expense 196,593 247,977 188,861
Net interest income 364,082 351,203 366,960
Non-interest income 268,401 252,409 231,714
Provision for credit (losses) recoveries (217) (1,662) (4,452)
Net revenue before gains and losses 632,266 601,950 594,222
Gains and losses 20 377 3,753
Total net revenue 632,286 602,327 597,975
Salaries and other employee benefits 182,635 174,024 177,939
Technology and communications 56,221 56,289 51,934
Indirect taxes 23,289 22,672 21,457
Professional and outside services 21,904 22,694 21,056
Property 21,572 22,494 21,651
Amortization of intangible assets 8,002 8,006 5,728
Total depreciation charged to operating expenses 21,343 21,354 19,767
Income tax benefit (expense) 6,024 4,531 767
Other expenses 59,354 53,947 52,184
Expenses Total 400,344 386,011 372,483
Net income 231,942 216,316 225,492
Operating Segments | Bermuda      
Segment Reporting Information [Line Items]      
Assets 5,111,127 5,438,279  
Interest income 215,772 229,814 222,871
Interest expense 45,283 59,849 42,210
Net interest income 170,489 169,965 180,661
Non-interest income 100,435 93,733 89,948
Provision for credit (losses) recoveries 2,725 (1,834) (4,755)
Net revenue before gains and losses 273,649 261,864 265,854
Gains and losses 25 88 4,011
Total net revenue 273,674 261,952 269,865
Salaries and other employee benefits 78,088 74,985 78,573
Technology and communications 31,823 30,866 29,232
Indirect taxes 17,716 17,231 16,769
Professional and outside services 13,964 14,033 14,006
Property 9,380 9,015 9,116
Amortization of intangible assets 1,430 1,429 1,430
Total depreciation charged to operating expenses 13,624 13,174 11,390
Income tax benefit (expense) 0 0 0
Other expenses 42,485 37,885 38,343
Expenses Total 208,510 198,618 198,859
Net income 65,164 63,334 71,006
Operating Segments | Cayman      
Segment Reporting Information [Line Items]      
Assets 4,425,113 4,337,829  
Interest income 158,932 164,384 165,951
Interest expense 38,331 46,977 32,264
Net interest income 120,601 117,407 133,687
Non-interest income 77,014 71,949 66,891
Provision for credit (losses) recoveries (174) 135 61
Net revenue before gains and losses 197,441 189,491 200,639
Gains and losses (16) 0 (4)
Total net revenue 197,425 189,491 200,635
Salaries and other employee benefits 28,647 27,207 30,067
Technology and communications 13,544 14,196 12,556
Indirect taxes 1,675 1,965 1,817
Professional and outside services 2,386 2,135 1,815
Property 2,880 2,925 2,882
Amortization of intangible assets 1,101 1,101 1,101
Total depreciation charged to operating expenses 4,505 4,517 3,677
Income tax benefit (expense) 0 0 0
Other expenses 13,760 13,002 10,596
Expenses Total 68,498 67,048 64,511
Net income 128,927 122,443 136,124
Operating Segments | Channel Islands and the UK      
Segment Reporting Information [Line Items]      
Assets 4,599,096 4,526,623  
Interest income 185,830 204,744 166,916
Interest expense 112,979 141,151 114,387
Net interest income 72,851 63,593 52,529
Non-interest income 44,505 44,366 39,074
Provision for credit (losses) recoveries (2,768) 37 242
Net revenue before gains and losses 114,588 107,996 91,845
Gains and losses 11 289 (253)
Total net revenue 114,599 108,285 91,592
Salaries and other employee benefits 46,163 45,617 46,272
Technology and communications 9,324 9,823 8,670
Indirect taxes 2,495 2,225 1,821
Professional and outside services 4,232 5,581 4,301
Property 6,741 8,085 7,239
Amortization of intangible assets 3,571 3,456 2,821
Total depreciation charged to operating expenses 2,729 3,078 4,018
Income tax benefit (expense) 4,895 3,337 1,278
Other expenses (560) (54) 1,511
Expenses Total 79,590 81,148 77,931
Net income 35,009 27,137 13,661
Operating Segments | Other      
Segment Reporting Information [Line Items]      
Assets 70,731 62,682  
Interest income 141 238 83
Interest expense 0 0 0
Net interest income 141 238 83
Non-interest income 46,447 42,361 35,801
Provision for credit (losses) recoveries 0 0 0
Net revenue before gains and losses 46,588 42,599 35,884
Gains and losses 0 0 (1)
Total net revenue 46,588 42,599 35,883
Salaries and other employee benefits 29,737 26,215 23,027
Technology and communications 1,530 1,404 1,476
Indirect taxes 1,403 1,251 1,050
Professional and outside services 1,322 945 934
Property 2,571 2,469 2,414
Amortization of intangible assets 1,900 2,020 376
Total depreciation charged to operating expenses 485 585 682
Income tax benefit (expense) 1,129 1,194 (511)
Other expenses 3,669 3,114 1,734
Expenses Total 43,746 39,197 31,182
Net income 2,842 3,402 4,701
Inter-segment      
Segment Reporting Information [Line Items]      
Assets (111,173) (134,017)  
Interest income (3,565) (13,463) (10,191)
Interest expense (3,565) (13,463) (10,191)
Net interest income 0 0 0
Non-interest income (25,494) (22,394) (19,378)
Provision for credit (losses) recoveries 0 0 0
Net revenue before gains and losses (25,494) (22,394) (19,378)
Gains and losses 0 0 0
Total net revenue (25,494) (22,394) (19,378)
Salaries and other employee benefits 0 0 0
Technology and communications 0 0 0
Indirect taxes 0 0 0
Professional and outside services 0 0 0
Property 0 0 0
Amortization of intangible assets 0 0 0
Total depreciation charged to operating expenses 0 0 0
Income tax benefit (expense) 0 0 0
Other expenses (25,494) (22,394) (19,378)
Expenses Total (25,494) (22,394) (19,378)
Net income 0 0 0
Inter-segment | Bermuda      
Segment Reporting Information [Line Items]      
Interest income (279) (7,140) (1,925)
Interest expense (3,273) (6,290) (5,699)
Net interest income 2,994 (850) 3,774
Inter-segment | Cayman      
Segment Reporting Information [Line Items]      
Interest income (3,251) (5,275) (6,908)
Interest expense 0 (29) (1,050)
Net interest income (3,251) (5,246) (5,858)
Inter-segment | Channel Islands and the UK      
Segment Reporting Information [Line Items]      
Interest income (35) (1,048) (1,358)
Interest expense (292) (7,144) (3,442)
Net interest income 257 6,096 2,084
Inter-segment | Other      
Segment Reporting Information [Line Items]      
Interest income 0 0 0
Interest expense 0 0 0
Net interest income $ 0 $ 0 $ 0