Deposits (Details) - USD ($) $ in Thousands |
3 Months Ended | ||
|---|---|---|---|
Mar. 31, 2026 |
Mar. 31, 2025 |
Dec. 31, 2025 |
|
| Deposits [Line Items] | |||
| Time deposits with a minimum denomination of $250,000 | $ 987,700 | $ 1,010,000 | |
| Time deposits with a minimum denomination of $100,000 | 1,250,000 | 1,280,000 | |
| Interest expense applicable to certificate | 10,900 | $ 12,100 | |
| Brokered deposits | 439,300 | 435,700 | |
| Total deposits | 17,738,275 | 17,479,957 | |
| State and political subdivisions | |||
| Deposits [Line Items] | |||
| Total deposits | $ 3,290,000 | $ 3,320,000 | |