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Segment Reporting - Summary of Balance Sheet Information by Segment (Detail) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2024 | Dec. 31, 2023 | Dec. 31, 2022
Segment Reporting Information [Line Items] |  |  |
Goodwill | $ 2,868,068 | $ 2,631,465 | $ 2,514,104
Total assets | 79,025,073 | 74,945,249 |
Net interest income (expense) | 2,338,387 | 2,337,269 | 2,034,286
Total non-interest income | 251,899 | 314,337 | 440,783
Revenues | 2,590,286 | 2,651,606 | 2,475,069
Compensation and benefits | 762,794 | 711,752 | 723,620
Occupancy | 72,161 | 77,520 | 113,899
Technology and equipment | 195,017 | 197,928 | 186,384
Marketing | 18,751 | 18,622 | 16,438
Segment pre-tax, pre-provision net revenue | 1,239,007 | 1,235,251 | 1,078,596
Provision for credit losses | 222,000 | 150,747 | 280,619
Total consolidated income before income taxes | 1,017,007 | 1,084,504 | 797,977
Intangible assets amortization | 36,082 | 36,207 | 31,940
Operating Segments |  |  |
Segment Reporting Information [Line Items] |  |  |
Net interest income (expense) | 2,528,016 | 2,638,370 | 2,285,322
Total non-interest income | 366,949 | 328,229 | 395,714
Revenues | 2,894,965 | 2,966,599 | 2,681,036
Segment pre-tax, pre-provision net revenue | 1,791,007 | 1,933,868 | 1,705,474
Operating Segments | Commercial Banking |  |  |
Segment Reporting Information [Line Items] |  |  |
Goodwill | 1,960,363 | 1,951,945 |
Total assets | 43,010,580 | 41,843,297 |
Net interest income (expense) | 1,348,346 | 1,436,616 | 1,252,306
Total non-interest income | 143,104 | 125,265 | 164,044
Revenues | 1,491,450 | 1,561,881 | 1,416,350
Compensation and benefits | 199,545 | 178,289 | 156,818
Occupancy | 0 | 0 | 0
Technology and equipment | 8,153 | 7,944 | 6,928
Marketing | 0 | 0 | 0
Other segment items | 210,769 | 208,709 | 199,097
Segment pre-tax, pre-provision net revenue | 1,072,983 | 1,166,939 | 1,053,507
Occupancy and technology depreciation | 200 | 400 | 500
Intangible assets amortization | 9,300 | 16,000 | 16,900
Operating Segments | Healthcare Financial Services |  |  |
Segment Reporting Information [Line Items] |  |  |
Goodwill | 285,670 | 57,485 |
Total assets | 488,194 | 122,421 |
Net interest income (expense) | 366,927 | 302,856 | 218,149
Total non-interest income | 110,207 | 88,113 | 104,586
Revenues | 477,134 | 390,969 | 322,735
Compensation and benefits | 90,166 | 84,072 | 73,764
Occupancy | 0 | 0 | 0
Technology and equipment | 33,010 | 27,860 | 23,463
Marketing | 0 | 0 | 0
Other segment items | 90,913 | 56,228 | 54,102
Segment pre-tax, pre-provision net revenue | 263,045 | 222,809 | 171,406
Occupancy and technology depreciation | 5,500 | 4,500 | 2,900
Intangible assets amortization | 13,400 | 4,700 | 4,800
Operating Segments | Consumer Banking |  |  |
Segment Reporting Information [Line Items] |  |  |
Goodwill | 622,035 | 622,035 |
Total assets | 12,932,260 | 12,327,403 |
Net interest income (expense) | 812,743 | 898,898 | 814,867
Total non-interest income | 113,638 | 114,851 | 127,084
Revenues | 926,381 | 1,013,749 | 941,951
Compensation and benefits | 146,428 | 139,203 | 134,284
Occupancy | 56,102 | 57,289 | 55,393
Technology and equipment | 11,087 | 9,998 | 8,052
Marketing | 7,835 | 6,736 | 3,916
Other segment items | 249,950 | 256,403 | 259,745
Segment pre-tax, pre-provision net revenue | 454,979 | 544,120 | 480,561
Occupancy and technology depreciation | 9,500 | 8,900 | 7,400
Intangible assets amortization | 8,300 | 9,700 | 10,300
Corporate and Reconciling |  |  |
Segment Reporting Information [Line Items] |  |  |
Goodwill | 0 | 0 |
Total assets | 22,594,039 | 20,652,128 |
Total non-interest income | (115,050) | (13,892) | 45,069
Revenues | (304,679) | (314,993) | (205,967)
Segment pre-tax, pre-provision net revenue | $ (552,000) | $ (698,617) | $ (626,878)

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