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Investment Securities - Schedule of Income Earned on Available-for Sale Securities (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2024	Sep. 30, 2023	Sep. 30, 2024	Sep. 30, 2023
Investment Income [Line Items]
Income earned on securities, taxable	$ 31,006	$ 34,520	$ 96,822	$ 104,559
Income earned on securities, non-taxable	7,704	7,868	23,276	23,763
Total	38,710	42,388	120,098	128,322
Available-for-sale
Investment Income [Line Items]
Income earned on securities, taxable	23,550	27,028	74,439	82,080
Income earned on securities, non-taxable	4,612	4,746	13,971	14,369
Held-to-maturity
Investment Income [Line Items]
Income earned on securities, taxable	7,456	7,492	22,383	22,479
Income earned on securities, non-taxable	$ 3,092	$ 3,122	$ 9,305	$ 9,394

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Amount of operating interest income, including, but not limited to, amortization and accretion of premiums and discounts on securities.

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Amount of operating interest income, including amortization and accretion of premiums and discounts, on securities exempt from state, federal and other income tax.

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