Derivative Financial Instruments - Schedule of Fair Value of Derivative Financial Instruments (Details) - USD ($) $ in Thousands	Sep. 30, 2023	Dec. 31, 2022	Sep. 30, 2022
Derivative [Line Items]
Derivative Assets	$ 323,705	$ 296,848	$ 313,480
Derivative Liabilities	458,706	338,078	357,170
Interest rate derivatives
Derivative [Line Items]
Derivative Assets	312,253	286,438	299,298
Derivative Liabilities	453,271	329,307	353,426
Designated as hedging instrument
Derivative [Line Items]
Derivative Assets	17,929	16,768	18,268
Derivative Liabilities	157,355	58,198	71,427
Designated as hedging instrument | Interest rate derivatives | Interest rate derivatives designated as Cash Flow Hedges
Derivative [Line Items]
Derivative Assets	0	0	725
Derivative Liabilities	157,355	58,198	71,427
Designated as hedging instrument | Interest rate derivatives | Interest rate derivatives designated as Fair Value Hedges
Derivative [Line Items]
Derivative Assets	17,929	16,768	17,543
Derivative Liabilities	0	0	0
Not designated as hedging instrument
Derivative [Line Items]
Derivative Assets	305,776	280,080	295,212
Derivative Liabilities	301,351	279,880	285,743
Not designated as hedging instrument | Interest rate derivatives
Derivative [Line Items]
Derivative Assets	294,324	269,670	281,030
Derivative Liabilities	295,916	271,109	281,999
Not designated as hedging instrument | Interest rate lock commitments
Derivative [Line Items]
Derivative Assets	2,516	1,711	141
Derivative Liabilities	72	58	273
Not designated as hedging instrument | Forward commitments to sell mortgage loans
Derivative [Line Items]
Derivative Assets	3,261	220	10,896
Derivative Liabilities	0	414	326
Not designated as hedging instrument | Commodity forward contracts
Derivative [Line Items]
Derivative Assets	1,320	257	0
Derivative Liabilities	1,076	162	0
Not designated as hedging instrument | Foreign exchange contracts
Derivative [Line Items]
Derivative Assets	4,355	8,222	3,145
Derivative Liabilities	$ 4,287	$ 8,137	$ 3,145