Goodwill and Other Intangible Assets - Goodwill and Other Intangibles (Details) - USD ($) $ in Thousands	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Finite-Lived Intangible Assets [Line Items]
Finite-Lived Intangible Assets, Net, Total	$ 128,951	$ 106,235
Core Deposit Premium
Finite-Lived Intangible Assets [Line Items]
Gross carrying amount	189,996	153,496
Accumulated amortization	(73,980)	(59,634)
Finite-Lived Intangible Assets, Net, Total	116,016	93,862	$ 97,363
Books of Business Intangible
Finite-Lived Intangible Assets [Line Items]
Gross carrying amount	22,068	19,937
Accumulated amortization	(9,133)	(7,564)
Finite-Lived Intangible Assets, Net, Total	$ 12,935	$ 12,373	$ 13,747