Securities (Sales of Securities Available for Sale) (Detail) - USD ($) $ in Thousands |
12 Months Ended | ||
|---|---|---|---|
Dec. 31, 2022 |
Dec. 31, 2021 |
Dec. 31, 2020 |
|
| Investments, Debt and Equity Securities [Abstract] | |||
| Proceeds from sales | $ 0 | $ 1,999,891 | $ 1,162,352 |
| Gross realized gains | 0 | 69 | 108,989 |
| Gross realized losses | 0 | 0 | 0 |
| Tax benefit (expense) related to securities gains/losses | $ 0 | $ (14) | $ (22,888) |
| X | ||||||||||
- Definition Tax (expense)benefit of securities (gains)losses No definition available.
|
| X | ||||||||||
- Definition Amount of realized gain on investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale). Reference 1: http://www.xbrl.org/2003/role/disclosureRef
|
| X | ||||||||||
- Definition Amount of realized loss on investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale). Reference 1: http://www.xbrl.org/2003/role/disclosureRef
|
| X | ||||||||||
- References No definition available.
|
| X | ||||||||||
- Definition Amount of cash inflow from sale of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale). Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
|