Goodwill and Other Intangible Assets - Summary of Finite-Lived Intangible Assets (Details) - USD ($) $ in Thousands	Mar. 31, 2023	Dec. 31, 2022
Finite-Lived Intangible Assets, Net [Abstract]
Gross Carrying Amount	$ 90,162	$ 90,162
Accumulated Amortization	(67,412)	(65,986)
Net Carrying Amount	22,750	24,176
Core deposit intangibles
Finite-Lived Intangible Assets, Net [Abstract]
Gross Carrying Amount	82,492	82,492
Accumulated Amortization	(65,431)	(64,339)
Net Carrying Amount	17,061	18,153
Customer relationship intangible
Finite-Lived Intangible Assets, Net [Abstract]
Gross Carrying Amount	7,670	7,670
Accumulated Amortization	(1,981)	(1,647)
Net Carrying Amount	$ 5,689	$ 6,023