Deposits - Scheduled Maturities of Time Deposits (Detail) - USD ($) $ in Thousands |
Mar. 31, 2026 |
Dec. 31, 2025 |
|---|---|---|
| Restricted Cash And Cash Equivalents Items [Line Items] | ||
| 2026 | $ 2,188,266 | $ 2,422,865 |
| 2027 | 369,400 | 63,290 |
| 2028 | 16,844 | 16,473 |
| 2029 | 313 | 183 |
| 2030 and thereafter | 642 | 610 |
| Total | 2,575,465 | 2,503,421 |
| Time Deposits More Than $250,000 | ||
| Restricted Cash And Cash Equivalents Items [Line Items] | ||
| 2026 | 1,037,174 | 1,136,877 |
| 2027 | 131,270 | 390 |
| 2030 and thereafter | 269 | 269 |
| Total | 1,168,713 | 1,137,536 |
| Other Time Deposits | ||
| Restricted Cash And Cash Equivalents Items [Line Items] | ||
| 2026 | 1,151,092 | 1,285,988 |
| 2027 | 238,130 | 62,900 |
| 2028 | 16,844 | 16,473 |
| 2029 | 313 | 183 |
| 2030 and thereafter | 373 | 341 |
| Total | $ 1,406,752 | $ 1,365,885 |
| X | ||||||||||
- Definition Time deposit maturities year four and thereafter. No definition available.
|
| X | ||||||||||
- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
|
| X | ||||||||||
- Definition Amount of time deposit maturing in remainder of current fiscal year. Time deposit includes, but is not limited to, certificate of deposit. No definition available.
|
| X | ||||||||||
- Definition Amount of time deposit maturing in next fiscal year following current fiscal year. Time deposit includes, but is not limited to, certificate of deposit. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach). Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
|
| X | ||||||||||
- Definition Amount of time deposit maturing in third fiscal year following current fiscal year. Time deposit includes, but is not limited to, certificate of deposit. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach). Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
|
| X | ||||||||||
- Definition Amount of time deposit maturing in second fiscal year following current fiscal year. Time deposit includes, but is not limited to, certificate of deposit. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach). Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
|
| X | ||||||||||
- Definition Amount of time deposit liabilities, including certificates of deposit. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
|
| X | ||||||||||
- Details
|
| X | ||||||||||
- Details
|