Investment Securities - Schedule of Marketable Securities (Details) - USD ($) $ in Thousands	Dec. 31, 2023	Dec. 31, 2022
Investment [Line Items]
Debt Securities, Available-for-sale, Amortized Cost	$ 1,418,770	$ 1,854,852
Gross Unrealized/Unrecognized Holding Gains	1,227	1,620
Available-for-sale Securities, Accumulated Gross Unrealized Loss, before Tax	87,155	122,776
Debt Securities, Available-for-sale	1,332,842	1,733,696
Obligations of States and Political Subdivisions
Investment [Line Items]
Debt Securities, Available-for-sale, Amortized Cost	251,531	423,285
Gross Unrealized/Unrecognized Holding Gains	1,173	1,620
Available-for-sale Securities, Accumulated Gross Unrealized Loss, before Tax	11,520	18,194
Debt Securities, Available-for-sale	241,184	406,711
Mortgage-backed Securities, Issued by US Government Sponsored Enterprises [Member]
Investment [Line Items]
Debt Securities, Available-for-sale, Amortized Cost	703,645	839,399
Gross Unrealized/Unrecognized Holding Gains	23
Available-for-sale Securities, Accumulated Gross Unrealized Loss, before Tax	68,193	82,638
Debt Securities, Available-for-sale	635,475	756,761
Corporate Debt Securities
Investment [Line Items]
Debt Securities, Available-for-sale, Amortized Cost	20,482	17,650
Available-for-sale Securities, Accumulated Gross Unrealized Loss, before Tax	2,585	1,178
Debt Securities, Available-for-sale	17,897	16,472
Collateralized Loan Obligations
Investment [Line Items]
Debt Securities, Available-for-sale, Amortized Cost	443,112	535,518
Gross Unrealized/Unrecognized Holding Gains	31
Available-for-sale Securities, Accumulated Gross Unrealized Loss, before Tax	4,857	18,979
Debt Securities, Available-for-sale	$ 438,286	516,539
US Government-sponsored Enterprises Debt Securities
Investment [Line Items]
Debt Securities, Available-for-sale, Amortized Cost		39,000
Available-for-sale Securities, Accumulated Gross Unrealized Loss, before Tax		1,787
Debt Securities, Available-for-sale		$ 37,213