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v3.24.2

Operating Segments - Summary of Operating Results by Segment (Detail) - USD ($) $ in Thousands | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 30, 2024 | Jun. 30, 2023 | Jun. 30, 2024 | Jun. 30, 2023
Segment Reporting Information [Line Items] |  |  |  |
Interest Income (Expense), Net | $ 396,712 | $ 385,266 | $ 786,763 | $ 785,086
Credit loss expense | 15,787 | 9,901 | 29,437 | 19,005
Total non-interest income | 111,190 | 103,528 | 222,567 | 208,793
Total non-interest expense | 316,964 | 285,042 | 643,181 | 570,184
Income (loss) before income taxes | 175,151 | 193,851 | 336,712 | 404,690
Income tax expense (benefit) | 29,652 | 31,733 | 55,523 | 64,919
Net income (loss) | 145,499 | 162,118 | 281,189 | 339,771
Preferred stock dividends | 1,669 | 1,669 | 3,338 | 3,338
Net income (loss) available to common shareholders | 143,830 | 160,449 | 277,851 | 336,433
Revenues from (expenses to) external customers | 507,902 | 488,794 | 1,009,330 | 993,879
Bank |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Interest Income (Expense), Net | 398,270 | 385,720 | 790,075 | 785,857
Credit loss expense | 15,787 | 9,901 | 29,437 | 19,005
Total non-interest income | 62,178 | 57,808 | 128,558 | 121,451
Total non-interest expense | 276,196 | 246,927 | 563,026 | 496,792
Income (loss) before income taxes | 168,465 | 186,700 | 326,170 | 391,511
Income tax expense (benefit) | 28,819 | 30,636 | 54,454 | 62,754
Net income (loss) | 139,646 | 156,064 | 271,716 | 328,757
Preferred stock dividends | 0 | 0 | 0 | 0
Net income (loss) available to common shareholders | 139,646 | 156,064 | 271,716 | 328,757
Revenues from (expenses to) external customers | 460,448 | 443,528 | 918,633 | 907,308
Frost Wealth Advisors [Member] |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Interest Income (Expense), Net | 1,907 | 2,090 | 3,576 | 3,744
Credit loss expense | 0 | 0 | 0 | 0
Total non-interest income | 49,489 | 46,147 | 94,915 | 88,185
Total non-interest expense | 37,875 | 35,558 | 75,848 | 69,507
Income (loss) before income taxes | 13,521 | 12,679 | 22,643 | 22,422
Income tax expense (benefit) | 2,839 | 2,663 | 4,755 | 4,709
Net income (loss) | 10,682 | 10,016 | 17,888 | 17,713
Preferred stock dividends | 0 | 0 | 0 | 0
Net income (loss) available to common shareholders | 10,682 | 10,016 | 17,888 | 17,713
Revenues from (expenses to) external customers | 51,396 | 48,237 | 98,491 | 91,929
Non-Banks [Member] |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Interest Income (Expense), Net | (3,465) | (2,544) | (6,888) | (4,515)
Credit loss expense | 0 | 0 | 0 | 0
Total non-interest income | (477) | (427) | (906) | (843)
Total non-interest expense | 2,893 | 2,557 | 4,307 | 3,885
Income (loss) before income taxes | (6,835) | (5,528) | (12,101) | (9,243)
Income tax expense (benefit) | (2,006) | (1,566) | (3,686) | (2,544)
Net income (loss) | (4,829) | (3,962) | (8,415) | (6,699)
Preferred stock dividends | 1,669 | 1,669 | 3,338 | 3,338
Net income (loss) available to common shareholders | (6,498) | (5,631) | (11,753) | (10,037)
Revenues from (expenses to) external customers | $ (3,942) | $ (2,971) | $ (7,794) | $ (5,358)

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