Derivative Instruments - Narrative (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2024	Mar. 31, 2023	Dec. 31, 2023
Derivatives, Fair Value [Line Items]
Maximum notional contract amount as percent of total assets	25.00%
Interest income, investment securities	$ 58,001	$ 48,774
Fair Value Hedging
Derivatives, Fair Value [Line Items]
Derivative, average variable interest rate	1.21%		1.21%
Interest income, investment securities	$ 12,400
Derivative assets, notional amount	1,001,715		$ 1,001,715
Risk Participation Agreements
Derivatives, Fair Value [Line Items]
Derivative, notional amount	19,400
Energy Related Derivative
Derivatives, Fair Value [Line Items]
Derivative liability, notional amount	0
Derivative assets, notional amount	$ 0