Investment Securities - Income Earned on Securities (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Non-taxable:
Total	$ 216,433	$ 206,918	$ 158,203
Held-to-Maturity Securities1
Taxable:
Taxable	42,848	44,093	33,778
Non-taxable:
Non-taxable	40,371	40,612	36,516
Available-for-Sale Securities1
Taxable:
Taxable	110,565	99,085	60,659
Non-taxable:
Non-taxable	$ 22,649	$ 23,128	$ 27,250