Goodwill and Other Intangible Assets - Narrative (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2023	Dec. 31, 2022
Finite-Lived Intangible Assets [Line Items]
Goodwill	$ 1,320,799	$ 1,319,598
Minimum
Finite-Lived Intangible Assets [Line Items]
Useful life (in years)	8 years
Maximum
Finite-Lived Intangible Assets [Line Items]
Useful life (in years)	15 years
Core Deposit Premium | Minimum
Finite-Lived Intangible Assets [Line Items]
Useful life (in years)	10 years
Core Deposit Premium | Maximum
Finite-Lived Intangible Assets [Line Items]
Useful life (in years)	15 years