Goodwill and Intangible Assets - Additional Information (Details) - USD ($) $ in Thousands	Jun. 30, 2023	Dec. 31, 2022	Sep. 30, 2022	Mar. 31, 2022
Finite Lived Intangible Assets [Line Items]
Goodwill, net	$ 146,363	$ 140,412
Delta Bancshares Company
Finite Lived Intangible Assets [Line Items]
Goodwill, net	28,558		$ 28,200	$ 28,600
Purdum, Gray, Ingledue, Beck, Inc.
Finite Lived Intangible Assets [Line Items]
Goodwill, net	$ 5,951