Goodwill and Intangible Assets - Narrative (Details) - USD ($) $ in Thousands			12 Months Ended
	Aug. 01, 2021	May 01, 2019	Dec. 31, 2021	Dec. 31, 2020
Finite-Lived Intangible Assets [Line Items]
Goodwill acquired			$ 0	$ 485
Amortization expense of intangibles			1,200	785
SouthCrest Financial Group, Inc.
Finite-Lived Intangible Assets [Line Items]
Goodwill acquired	$ 35,000
SouthCrest Financial Group, Inc. | Core deposit intangible
Finite-Lived Intangible Assets [Line Items]
Finite-lived intangible assets acquired	$ 4,000
Insurance Acquisitions
Finite-Lived Intangible Assets [Line Items]
Goodwill acquired			1,900
Insurance Acquisitions | Customer deposit intangibles
Finite-Lived Intangible Assets [Line Items]
Finite-lived intangible assets acquired			$ 2,300
LBC Bancshares, Inc
Finite-Lived Intangible Assets [Line Items]
Goodwill acquired		$ 15,700
Goodwill, subsequent adjustments				$ 485
LBC Bancshares, Inc | Core deposit intangible
Finite-Lived Intangible Assets [Line Items]
Finite-lived intangible assets acquired		3,100
PFB Mortgage
Finite-Lived Intangible Assets [Line Items]
Goodwill acquired		$ 541