Investment Securities - Income Earned on Securities (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2025	Mar. 31, 2024
Non-taxable:
Total	$ 47,257	$ 58,001
Held-to-maturity
Taxable:
Taxable	10,399	11,003
Non-taxable:
Non-taxable	10,051	10,100
Available-for-sale
Taxable:
Taxable	21,185	31,195
Non-taxable:
Non-taxable	$ 5,622	$ 5,703