Goodwill and Other Intangible Assets - Narrative (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Oct. 10, 2023	Apr. 30, 2023	Jan. 03, 2023	Mar. 07, 2022	Dec. 31, 2021	Dec. 31, 2020
Goodwill [Line Items]
Goodwill	$ 362,169	$ 292,397					$ 264,193
Weighted average amortization period	9 years 2 months 12 days
Servicing rights	$ 1,385	1,816					$ 2,218	$ 2,486
Fair Value
Goodwill [Line Items]
Servicing rights	3,200	3,400
Noncompete Agreements
Goodwill [Line Items]
Intangibles recorded from acquisitions		1,300
Limestone Bancorp, Inc.
Goodwill [Line Items]
Goodwill	68,800			$ 68,831
Limestone Bancorp, Inc. | Core Deposits
Goodwill [Line Items]
Intangibles recorded from acquisitions	$ 27,700
Trust And Investment Business
Goodwill [Line Items]
Goodwill					$ 600
Insurance Business
Goodwill [Line Items]
Goodwill			$ 400
Elite Agency, Inc
Goodwill [Line Items]
Goodwill		2,300
Elite Agency, Inc | Customer Relationships
Goodwill [Line Items]
Intangibles recorded from acquisitions		2,000
Elite Agency, Inc | Noncompete Agreements
Goodwill [Line Items]
Intangibles recorded from acquisitions		100
Vantage Financial LLC
Goodwill [Line Items]
Goodwill		27,200				$ 27,164
Vantage Financial LLC | Indefinite-Lived Trade Names
Goodwill [Line Items]
Indefinite-lived intangible assets acquired		1,200
Vantage Financial LLC | Customer Relationships
Goodwill [Line Items]
Intangibles recorded from acquisitions		10,800
Vantage Financial LLC | Noncompete Agreements
Goodwill [Line Items]
Intangibles recorded from acquisitions		1,200
Premier Financial Bancorp, Inc.
Goodwill [Line Items]
Goodwill, reduction		$ 1,300