Deposits - Schedule of Interest-Bearing Deposits (Details) - USD ($) $ in Thousands |
Jun. 30, 2026 |
Dec. 31, 2025 |
|---|---|---|
| Interest-bearing deposits: | ||
| Savings deposits | $ 37,020,452 | $ 32,461,228 |
| Demand deposits | 4,020,094 | 3,685,409 |
| Time deposits | 4,375,711 | 1,240,713 |
| Total interest-bearing deposits | 45,416,257 | 37,387,350 |
| Noninterest-bearing deposits | 126,903 | 118,045 |
| Total deposits | 45,543,160 | 37,505,395 |
| Uninsured deposits | 30,545 | 26,317 |
| Brokered deposits | $ 4,533,210 | $ 1,402,355 |
| X | ||||||||||
- Definition The amount of money in accounts that may bear interest and that the depositor is entitled to withdraw at any time without prior notice. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
|
| X | ||||||||||
- Definition The aggregate of all deposit liabilities held by the entity, including foreign and domestic, interest and noninterest bearing; may include demand deposits, saving deposits, Negotiable Order of Withdrawal (NOW) and time deposits among others. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
|
| X | ||||||||||
- Definition Amount of interest bearing deposits with no stated maturity, which may include passbook and statement savings accounts and money-market deposit accounts (MMDAs). Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
|
| X | ||||||||||
- Definition The aggregate of all domestic and foreign interest-bearing deposit liabilities. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
|
| X | ||||||||||
- References No definition available.
|
| X | ||||||||||
- Definition Amount of interest-bearing domestic third-party deposits placed by or through the assistance of a deposit broker, also known as brokered deposit liabilities. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
|
| X | ||||||||||
- Definition The aggregate amount of all domestic and foreign noninterest-bearing deposits liabilities held by the entity. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
|
| X | ||||||||||
- Definition Amount of time deposit liabilities, including certificates of deposit. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
|
| X | ||||||||||
- Definition Amount of time deposit liabilities, including certificates of deposit, in denominations that meet or exceed the Federal Deposit Insurance Corporation (FDIC) insurance limit. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
|