Investment Securities - Additional Information (Details) - USD ($) $ in Thousands	Jun. 30, 2024	Dec. 31, 2023
Other Than Temporary Impairment Credit Losses Recognized In Earnings [Line Items]
Accrued interest receivable	$ 67,554	$ 66,525
Carrying Value Of Investment Securities Pledged	6,800,000	7,100,000
Available-for-sale Securities
Other Than Temporary Impairment Credit Losses Recognized In Earnings [Line Items]
Accrued interest receivable	8,700	9,000
Held-to-maturity Securities
Other Than Temporary Impairment Credit Losses Recognized In Earnings [Line Items]
Accrued interest receivable	$ 8,900	$ 8,700