Goodwill and Other Intangible Assets - Narrative (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2024	Dec. 31, 2023	Apr. 30, 2023	Dec. 31, 2022
Goodwill [Line Items]
Goodwill	$ 362,169	$ 362,169		$ 292,397
Weighted average amortization period	8 years 6 months
Limestone Bancorp, Inc.
Goodwill [Line Items]
Goodwill	$ 68,800		$ 68,831
Limestone Bancorp, Inc. | Core Deposits
Goodwill [Line Items]
Finite-lived intangible assets acquired	$ 27,700