v3.25.4
Condensed financial statements of the parent company only - Condensed Statements of Operations (Details) - USD ($)
$ in Thousands
 12 Months Ended
Dec. 31, 2025
Dec. 31, 2024
Dec. 31, 2023
Non-interest income      
Banking $ 67,366 $ 63,682 $ 58,818
Foreign exchange revenue 52,545 51,248 46,132
Custody and other administration services 13,846 13,815 13,319
Other non-interest income 4,096 3,612 3,831
Total non-interest income 242,907 230,015 212,336
Interest income      
Interest and fees on loans 277,363 304,112 317,361
Total interest income 557,110 585,717 545,630
Interest expense      
Deposits 189,127 227,001 170,504
Long-term debt 3,681 5,485 8,091
Securities sold under agreements to repurchase 220 2,028 75
Total interest expense 193,028 234,514 178,670
Net interest income before provision for credit losses 364,082 351,203 366,960
Provision for credit (losses) recoveries (217) (1,662) (4,452)
Net interest income after provision for credit losses 363,865 349,541 362,508
Net gains (losses) on equity securities 0 0 43
Net gains (losses) on other real estate owned 0 50 (40)
Net other gains (losses) 20 327 3,764
Total other gains (losses) 20 377 3,753
Total net revenue 606,792 579,933 578,597
Non-interest expense      
Salaries and other employee benefits 182,635 174,024 177,939
Technology and communications 65,002 66,057 61,979
Professional and outside services 21,904 22,694 21,056
Property 34,134 34,081 31,374
Indirect taxes 23,289 22,672 21,457
Non-service employee benefits expense 5,550 3,929 5,590
Marketing 6,803 6,530 6,456
Amortization of intangible assets 8,002 8,006 5,728
Other expenses 21,507 21,093 20,759
Total non-interest expense 368,826 359,086 352,338
Net income 231,942 216,316 225,492
Other comprehensive income (loss), net of taxes 91,260 14,783 67,254
Total comprehensive income (loss) 323,202 231,099 292,746
Bank of N.T. Butterfield & Son Ltd      
Non-interest income      
Banking 28,937 28,480 26,242
Foreign exchange revenue 12,147 10,699 11,253
Custody and other administration services 7,602 7,256 6,830
Other non-interest income 1,241 829 1,345
Total non-interest income 265,041 221,896 168,643
Interest income      
Interest and fees on loans 111,492 121,204 129,626
Investments (none of the investment securities are intrinsically tax-exempt) 75,302 56,279 50,219
Cash and cash equivalents, securities purchased under agreements to resell and short-term investments 29,561 52,935 43,690
Total interest income 216,355 230,418 223,535
Interest expense      
Deposits 41,578 54,271 34,064
Long-term debt 3,681 5,485 8,091
Securities sold under agreements to repurchase 35 106 66
Total interest expense 45,294 59,862 42,221
Net interest income before provision for credit losses 171,061 170,556 181,314
Provision for credit (losses) recoveries 2,725 (1,834) (4,755)
Net interest income after provision for credit losses 173,786 168,722 176,559
Net gains (losses) on equity securities 0 0 46
Net gains (losses) on other real estate owned 0 50 (40)
Net other gains (losses) 22 35 4,005
Total other gains (losses) 22 85 4,011
Total net revenue 438,849 390,703 349,213
Non-interest expense      
Salaries and other employee benefits 67,305 65,372 68,779
Technology and communications 34,962 34,073 32,241
Professional and outside services 35,447 33,488 32,959
Property 11,831 11,300 10,831
Indirect taxes 16,128 15,768 15,269
Non-service employee benefits expense 5,335 3,972 5,645
Marketing 3,624 3,606 3,194
Amortization of intangible assets 169 169 169
Other expenses 9,969 9,466 10,049
Total non-interest expense 184,770 177,214 179,136
Net income before equity in undistributed earnings of subsidiaries 254,079 213,489 170,077
Equity in undistributed earnings of subsidiaries (22,137) 2,827 55,415
Net income 231,942 216,316 225,492
Other comprehensive income (loss), net of taxes 91,260 14,783 67,254
Total comprehensive income (loss) 323,202 231,099 292,746
Bank of N.T. Butterfield & Son Ltd | Banks      
Non-interest income      
Dividends from subsidiaries 184,914 154,111 100,000
Bank of N.T. Butterfield & Son Ltd | Customers      
Non-interest income      
Dividends from subsidiaries $ 30,200 $ 20,521 $ 22,973