Goodwill and Other Intangible Assets - Summary of Finite-Lived Intangible Assets (Details) - USD ($) $ in Thousands	Mar. 31, 2024	Dec. 31, 2023
Finite-Lived Intangible Assets, Net [Abstract]
Gross Carrying Amount	$ 90,162	$ 90,162
Accumulated Amortization	(72,579)	(71,367)
Net Carrying Amount	17,583	18,795
Core deposit intangibles
Finite-Lived Intangible Assets, Net [Abstract]
Gross Carrying Amount	82,492	82,492
Accumulated Amortization	(69,297)	(68,383)
Net Carrying Amount	13,195	14,109
Customer relationship intangible
Finite-Lived Intangible Assets, Net [Abstract]
Gross Carrying Amount	7,670	7,670
Accumulated Amortization	(3,282)	(2,984)
Net Carrying Amount	$ 4,388	$ 4,686