Deposits - Narrative (Details) - USD ($) $ in Thousands |
3 Months Ended | 9 Months Ended | |||
|---|---|---|---|---|---|
Sep. 30, 2026 |
Sep. 30, 2025 |
Sep. 30, 2026 |
Sep. 30, 2025 |
Dec. 31, 2025 |
|
| Banking and Thrift, Other Disclosure [Abstract] | |||||
| Deposits | $ 20,760,905 | $ 20,760,905 | $ 21,060,151 | ||
| Brokered deposits | 9,300,000 | 9,300,000 | 8,800,000 | ||
| Retail and other deposits | 11,500,000 | 11,500,000 | 12,300,000 | ||
| Stable interest-bearing deposits, total | 6,500,000 | 6,500,000 | 7,600,000 | ||
| Brokered deposit placement fee | 2,000 | $ 2,000 | 6,000 | $ 6,000 | |
| Third party broker fees paid | 9,000 | $ 4,000 | 14,000 | $ 4,000 | |
| Deposits exceeding FDIC insurance limits | 1,300,000 | 1,300,000 | 1,200,000 | ||
| Accrued interest on deposits | $ 56,000 | $ 56,000 | $ 71,000 | ||