Goodwill and Core Deposit Intangibles - Narrative (Details) - USD ($)		3 Months Ended		9 Months Ended
	Jul. 01, 2023	Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022
Goodwill and Intangible Assets Disclosure [Abstract]
Impairment of goodwill	$ 0
Goodwill [Line Items]
Amortization of intangible assets		$ 3,900,000	$ 4,100,000	$ 11,800,000	$ 11,800,000
Core Deposits
Goodwill [Line Items]
Weighted average useful lives of related deposits				10 years
OCRI
Goodwill [Line Items]
Weighted average useful lives of related deposits				12 years