Deposits -Narrative (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Deposits [Abstract]
Deposits	$ 21,653,188	$ 21,448,071
Brokered deposits	10,300,000	9,900,000
Retail and other deposits	11,400,000	11,500,000
Stable interest-bearing deposits, total	7,600,000	8,000,000
Brokered deposit placement fee	12,000	13,000	$ 16,000
Third party broker fees paid	8,000	13,000	$ 13,000
Deposits exceeding FDIC insurance limits	478,000	615,000
Accrued interest on deposits	$ 91,000	$ 59,000