Goodwill and Other Intangible Assets - Goodwill and Other Intangibles (Details) - USD ($) $ in Thousands	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Finite-Lived Intangible Assets [Line Items]
Finite-Lived Intangible Assets, Net, Total	$ 112,645	$ 128,951
Core Deposit Premium
Finite-Lived Intangible Assets [Line Items]
Gross carrying amount	187,467	189,996
Accumulated amortization	(86,123)	(73,980)
Finite-Lived Intangible Assets, Net, Total	101,344	116,016	$ 93,862
Books of Business Intangible
Finite-Lived Intangible Assets [Line Items]
Gross carrying amount	22,068	22,068
Accumulated amortization	(10,767)	(9,133)
Finite-Lived Intangible Assets, Net, Total	$ 11,301	$ 12,935	$ 12,373