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v3.25.3

Segment information - Information about Company's Segments (Detail) - USD ($) $ in Thousands | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2025 | Sep. 30, 2024 | Sep. 30, 2025 | Sep. 30, 2024
Segment Reporting Information [Line Items] |  |  |  |
Net Interest Income | $ 1,761,000 | $ 1,726,000 | $ 5,169,000 | $ 5,124,000
Noninterest income | 752,000 | 606,000 | 2,046,000 | 1,770,000
Provision for credit losses | 125,000 | 120,000 | 380,000 | 470,000
Provision for credit losses | 110,000 | 120,000 | 345,000 | 470,000
Salaries and employee benefits | 833,000 | 775,000 | 2,533,000 | 2,372,000
Depreciation and amortization |  |  | 243,000 | 235,000
Income before taxes | 1,025,000 | 909,000 | 2,721,000 | 2,428,000
Income tax expense (benefit) | 233,000 | 188,000 | 629,000 | 521,000
Net income (loss) | 792,000 | 721,000 | 2,092,000 | 1,907,000
Operating Segments |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Net Interest Income | 1,761,000 | 1,726,000 | 5,169,000 | 5,124,000
Noninterest income | 752,000 | 606,000 | 2,046,000 | 1,770,000
Total revenue | 2,513,000 | 2,332,000 | 7,215,000 | 6,894,000
Salaries and employee benefits | 833,000 | 775,000 | 2,533,000 | 2,372,000
Depreciation and amortization | 122,000 | 122,000 | 376,000 | 379,000
Other direct expenses | 408,000 | 406,000 | 1,205,000 | 1,245,000
Indirect expense | 0 | 0 | 0 | 0
Income before taxes | 1,025,000 | 909,000 | 2,721,000 | 2,428,000
Income tax expense (benefit) | 233,000 | 188,000 | 629,000 | 521,000
Average total assets | 211,053,000 | 209,581,000 | 209,889,000 | 211,008,000
Commercial Bank | Operating Segments |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Net Interest Income | 539,000 | 551,000 | 1,599,000 | 1,652,000
Noninterest income | 209,000 | 172,000 | 587,000 | 487,000
Total revenue | 748,000 | 723,000 | 2,186,000 | 2,139,000
Provision for credit losses |  |  | 168,000 | 193,000
Provision for credit losses | 72,000 | 39,000 |  |
Salaries and employee benefits | 160,000 | 152,000 | 461,000 | 452,000
Depreciation and amortization | 11,000 | 10,000 | 32,000 | 29,000
Other direct expenses | 68,000 | 69,000 | 208,000 | 203,000
Indirect expense | 127,000 | 127,000 | 379,000 | 378,000
Income before taxes | 310,000 | 326,000 | 938,000 | 884,000
Income tax expense (benefit) | 82,000 | 87,000 | 248,000 | 239,000
Net income (loss) | 228,000 | 239,000 | 690,000 | 645,000
Average total assets | 78,227,000 | 80,434,000 | 78,691,000 | 80,903,000
Retail Bank | Operating Segments |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Net Interest Income | 999,000 | 1,087,000 | 2,959,000 | 3,248,000
Noninterest income | 249,000 | 205,000 | 691,000 | 606,000
Total revenue | 1,248,000 | 1,292,000 | 3,650,000 | 3,854,000
Provision for credit losses |  |  | 220,000 | 202,000
Provision for credit losses | 70,000 | 74,000 |  |
Salaries and employee benefits | 204,000 | 196,000 | 601,000 | 577,000
Depreciation and amortization | 59,000 | 61,000 | 181,000 | 189,000
Other direct expenses | 116,000 | 105,000 | 310,000 | 298,000
Indirect expense | 297,000 | 255,000 | 868,000 | 751,000
Income before taxes | 502,000 | 601,000 | 1,470,000 | 1,837,000
Income tax expense (benefit) | 126,000 | 155,000 | 372,000 | 473,000
Net income (loss) | 376,000 | 446,000 | 1,098,000 | 1,364,000
Average total assets | 57,653,000 | 53,128,000 | 56,022,000 | 52,771,000
Institutional Services and Wealth Management | Operating Segments |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Net Interest Income | 163,000 | 185,000 | 500,000 | 565,000
Noninterest income | 244,000 | 204,000 | 678,000 | 602,000
Total revenue | 407,000 | 389,000 | 1,178,000 | 1,167,000
Provision for credit losses |  |  | 5,000 | 6,000
Provision for credit losses | 0 | 3,000 |  |
Salaries and employee benefits | 112,000 | 103,000 | 325,000 | 306,000
Depreciation and amortization | 2,000 | 1,000 | 6,000 | 6,000
Other direct expenses | 25,000 | 24,000 | 77,000 | 75,000
Indirect expense | 78,000 | 74,000 | 241,000 | 223,000
Income before taxes | 190,000 | 184,000 | 524,000 | 551,000
Income tax expense (benefit) | 48,000 | 47,000 | 133,000 | 142,000
Net income (loss) | 142,000 | 137,000 | 391,000 | 409,000
Average total assets | 4,355,000 | 3,898,000 | 4,244,000 | 3,735,000
All Other | Operating Segments |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Net Interest Income | 60,000 | (97,000) | 111,000 | (341,000)
Noninterest income | 50,000 | 25,000 | 90,000 | 75,000
Total revenue | 110,000 | (72,000) | 201,000 | (266,000)
Provision for credit losses |  |  | (13,000) | 69,000
Provision for credit losses | (17,000) | 4,000 |  |
Salaries and employee benefits | 357,000 | 324,000 | 1,146,000 | 1,037,000
Depreciation and amortization | 50,000 | 50,000 | 157,000 | 155,000
Other direct expenses | 199,000 | 208,000 | 610,000 | 669,000
Indirect expense | (502,000) | (456,000) | (1,488,000) | (1,352,000)
Income before taxes | 23,000 | (202,000) | (211,000) | (844,000)
Income tax expense (benefit) | (23,000) | (101,000) | (124,000) | (333,000)
Net income (loss) | 46,000 | (101,000) | (87,000) | (511,000)
Average total assets | $ 70,818,000 | $ 72,121,000 | $ 70,932,000 | $ 73,599,000

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