Deposits - Schedule of Deposits by Type (Details) - USD ($) $ in Thousands |
Jun. 30, 2026 |
Dec. 31, 2025 |
|---|---|---|
| Non-interest-bearing: | ||
| Demand | $ 9,999,855 | $ 10,082,854 |
| Interest-bearing: | ||
| Checking | 12,415,546 | 10,760,496 |
| Health savings accounts | 9,252,869 | 9,184,452 |
| Money market | 23,549,222 | 23,196,747 |
| Savings | 6,703,712 | 6,964,946 |
| Time deposits | 8,362,249 | 8,570,318 |
| Total interest-bearing | 60,283,598 | 58,676,959 |
| Total deposits | 70,283,453 | 68,759,813 |
| Time deposits, money market, and interest-bearing checking obtained through brokers | 3,078,429 | 3,134,894 |
| Aggregate amount of time deposit accounts that exceeded the FDIC limit | 1,611,240 | 1,494,626 |
| Deposit overdrafts reclassified as loan balances | 7,836 | 6,674 |
| Money market sweep deposits received | 9,700,000 | 9,300,000 |
| Time deposit accounts at FDIC limit | $ 16,500 | $ 10,500 |
| X | ||||||||||
- Definition Amount of deposits held by the entity that have been reclassified as loan balances receivable, for example, but not limited to, overdrafts receivable. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
|
| 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 deposits in accounts that offer many of the same services as checking accounts although transactions may be somewhat more limited, share some of the characteristics of a money market fund and are insured by the Federal government, also known as money market accounts. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
|
| 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 Amount of interest-bearing domestic checking deposit liabilities. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
|
| X | ||||||||||
- Definition Amount of other interest-bearing domestic 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 | ||||||||||
- References No definition available.
|
| X | ||||||||||
- Definition Amount of time deposit liabilities, including certificates of deposit. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
|
| X | ||||||||||
- Definition Money Market Sweep Deposits No definition available.
|
| X | ||||||||||
- Definition Time Deposits, Above FDIC Insurance Limit No definition available.
|
| X | ||||||||||
- Definition Time Deposits, At FDIC Insurance Limit No definition available.
|