Summary of Significant Accounting Policies (Additional Cash Flow Information) (Detail) - USD ($) $ in Thousands |
12 Months Ended | ||
|---|---|---|---|
Dec. 31, 2022 |
Dec. 31, 2021 |
Dec. 31, 2020 |
|
| Accounting Policies [Abstract] | |||
| Cash paid for interest | $ 169,020 | $ 29,003 | $ 49,300 |
| Cash paid for income tax | 100,000 | 39,852 | 44,140 |
| Exchange of real estate | 0 | 11,036 | 0 |
| Unsettled securities transactions | 94,884 | 27,032 | 57,783 |
| Loans foreclosed and transferred to other real estate owned and foreclosed assets | 239 | 3,464 | 140 |
| Right-of-use lease assets obtained in exchange for lessee operating lease liabilities | 31,787 | 12,854 | 18,284 |
| Treasury stock issued to 401(k) stock purchase plan | $ 0 | $ 1,749 | $ 10,307 |
| X | ||||||||||
- Definition Non-cash exchange of real estate No definition available.
|
| X | ||||||||||
- References No definition available.
|
| X | ||||||||||
- Definition The amount of cash paid during the current period to foreign, federal, state, and local authorities as taxes on income. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
|
| X | ||||||||||
- Definition The increase (decrease) during the reporting period in the aggregate amount of obligations incurred arising from transactions with broker-dealers, such as amounts due on margin and unsettled cash transactions; includes payables to brokers, dealers and clearing organizations. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
|
| X | ||||||||||
- Definition Amount of cash paid for interest, including, but not limited to, capitalized interest and payment to settle zero-coupon bond attributable to accreted interest of debt discount and debt instrument with insignificant coupon interest rate in relation to effective interest rate of borrowing attributable to accreted interest of debt discount; classified as operating and investing activities. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
|
| X | ||||||||||
- Definition Amount of increase in right-of-use asset obtained in exchange for operating lease liability. Reference 1: http://www.xbrl.org/2003/role/exampleRef
|
| X | ||||||||||
- Definition Value of treasury shares or units reissued. Excludes reissuance of shares or units in treasury for award under share-based payment arrangement. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
|
| X | ||||||||||
- Definition Value transferred from mortgage loans to real estate owned (REO) in noncash transactions. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
|