Goodwill and Intangible Assets - Schedule of Intangible Assets and Goodwill (Details) - USD ($) $ in Thousands	Mar. 31, 2022	Dec. 31, 2021
Goodwill And Intangible Assets [Line Items]
Goodwill	$ 230,492	$ 233,727
Gross Carrying Amount	88,676	90,070
Accumulated Amortization	(50,049)	(46,941)
Net Carrying Amount	38,627	43,129
Core deposit intangibles
Goodwill And Intangible Assets [Line Items]
Gross Carrying Amount	42,184	43,578
Accumulated Amortization	(32,724)	(31,800)
Net Carrying Amount	9,460	11,778
Software intangible assets
Goodwill And Intangible Assets [Line Items]
Gross Carrying Amount	16,932	16,932
Accumulated Amortization	(3,528)	(2,469)
Net Carrying Amount	13,404	14,463
Other intangible assets
Goodwill And Intangible Assets [Line Items]
Gross Carrying Amount	29,560	29,560
Accumulated Amortization	(13,797)	(12,672)
Net Carrying Amount	$ 15,763	$ 16,888