Revenue from Contracts with Customers - Summary of Noninterest Income (Loss) Disaggregated by Reportable Operating Segment and Revenue Stream (Details) - USD ($) $ in Thousands |
3 Months Ended | 6 Months Ended | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Jun. 30, 2025 |
Mar. 31, 2025 |
Jun. 30, 2024 |
Jun. 30, 2025 |
Jun. 30, 2024 |
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| Revenue From Contract With Customer [Line Items] | |||||||||||||
| Service charges on deposit accounts | $ 10,585 | $ 10,924 | $ 21,221 | $ 21,882 | |||||||||
| Bank card and other fees | 8,754 | 9,225 | 16,418 | 16,653 | |||||||||
| Mortgage banking, net | 8,602 | 4,204 | 17,373 | 13,119 | |||||||||
| Wealth management | 9,638 | $ 19,181 | 9,692 | 19,181 | 18,644 | ||||||||
| Other, net | 2,311 | 7,461 | 8,281 | 10,563 | |||||||||
| Securities gains (losses), net | 0 | (182,792) | 0 | (182,792) | |||||||||
| Total Noninterest Income (loss) | 39,890 | (141,286) | 82,474 | (101,931) | |||||||||
| Topic 606 [Member] | |||||||||||||
| Revenue From Contract With Customer [Line Items] | |||||||||||||
| Service charges on deposit accounts | 10,585 | 10,924 | 21,221 | 21,882 | |||||||||
| Bank card and other fees | 8,006 | 8,467 | 15,425 | 15,695 | |||||||||
| Wealth management | 9,638 | 9,692 | 19,181 | 18,644 | |||||||||
| Other, net | 2,442 | 7,289 | 7,907 | 10,679 | |||||||||
| Total Noninterest Income (loss) | 30,671 | 36,372 | 63,734 | 66,900 | |||||||||
| Not Topic 606 [Member] | |||||||||||||
| Revenue From Contract With Customer [Line Items] | |||||||||||||
| Bank card and other fees | 748 | [1] | 758 | [1] | 993 | [2] | 958 | [2] | |||||
| Mortgage banking, net | 8,602 | [1] | 4,204 | [1] | 17,373 | [2] | 13,119 | [2] | |||||
| Other, net | (131) | [1] | 172 | [1] | 374 | [2] | (116) | [2] | |||||
| Securities gains (losses), net | (182,792) | [1] | (182,792) | [2] | |||||||||
| Total Noninterest Income (loss) | 9,219 | [1] | (177,658) | [1] | 18,740 | [2] | (168,831) | [2] | |||||
| General Banking Segment [Member] | |||||||||||||
| Revenue From Contract With Customer [Line Items] | |||||||||||||
| Service charges on deposit accounts | 10,562 | 10,903 | 21,177 | 21,839 | |||||||||
| Bank card and other fees | 8,716 | 9,186 | 16,341 | 16,578 | |||||||||
| Mortgage banking, net | 8,602 | 4,204 | 17,373 | 13,119 | |||||||||
| Wealth management | 196 | 174 | 377 | 363 | |||||||||
| Other, net | 2,164 | 7,329 | 7,986 | 10,295 | |||||||||
| Securities gains (losses), net | (182,792) | (182,792) | |||||||||||
| Total Noninterest Income (loss) | 30,240 | (150,996) | 63,254 | (120,598) | |||||||||
| General Banking Segment [Member] | Topic 606 [Member] | |||||||||||||
| Revenue From Contract With Customer [Line Items] | |||||||||||||
| Service charges on deposit accounts | 10,562 | 10,903 | 21,177 | 21,839 | |||||||||
| Bank card and other fees | 7,968 | 8,428 | 15,348 | 15,620 | |||||||||
| Wealth management | 196 | 174 | 377 | 363 | |||||||||
| Other, net | 2,388 | 7,251 | 7,801 | 10,599 | |||||||||
| Total Noninterest Income (loss) | 21,114 | 26,756 | 44,703 | 48,421 | |||||||||
| General Banking Segment [Member] | Not Topic 606 [Member] | |||||||||||||
| Revenue From Contract With Customer [Line Items] | |||||||||||||
| Bank card and other fees | 748 | [1] | 758 | [1] | 993 | [2] | 958 | [2] | |||||
| Mortgage banking, net | 8,602 | [1] | 4,204 | [1] | 17,373 | [2] | 13,119 | [2] | |||||
| Other, net | (224) | [1] | 78 | [1] | 185 | [2] | (304) | [2] | |||||
| Securities gains (losses), net | (182,792) | [1] | (182,792) | [2] | |||||||||
| Total Noninterest Income (loss) | 9,126 | [1] | (177,752) | [1] | 18,551 | [2] | (169,019) | [2] | |||||
| Wealth Management Segment [Member] | |||||||||||||
| Revenue From Contract With Customer [Line Items] | |||||||||||||
| Service charges on deposit accounts | 23 | 21 | 44 | 43 | |||||||||
| Bank card and other fees | 38 | 39 | 77 | 75 | |||||||||
| Mortgage banking, net | 0 | 0 | 0 | 0 | |||||||||
| Wealth management | 9,442 | 9,518 | 18,804 | 18,281 | |||||||||
| Other, net | 147 | 132 | 295 | 268 | |||||||||
| Securities gains (losses), net | 0 | 0 | |||||||||||
| Total Noninterest Income (loss) | 9,650 | 9,710 | 19,220 | 18,667 | |||||||||
| Wealth Management Segment [Member] | Topic 606 [Member] | |||||||||||||
| Revenue From Contract With Customer [Line Items] | |||||||||||||
| Service charges on deposit accounts | 23 | 21 | 44 | 43 | |||||||||
| Bank card and other fees | 38 | 39 | 77 | 75 | |||||||||
| Wealth management | 9,442 | 9,518 | 18,804 | 18,281 | |||||||||
| Other, net | 54 | 38 | 106 | 80 | |||||||||
| Total Noninterest Income (loss) | 9,557 | 9,616 | 19,031 | 18,479 | |||||||||
| Wealth Management Segment [Member] | Not Topic 606 [Member] | |||||||||||||
| Revenue From Contract With Customer [Line Items] | |||||||||||||
| Other, net | 93 | [1] | 94 | [1] | 189 | [2] | 188 | [2] | |||||
| Total Noninterest Income (loss) | $ 93 | [1] | $ 94 | [1] | $ 189 | [2] | $ 188 | [2] | |||||
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