Acquisitions - Schedule of Assets and Liabilities (Details) - USD ($) $ in Thousands	Jan. 01, 2023	Mar. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Liabilities assumed:
Goodwill		$ 478,750	$ 364,263	$ 364,263
GrandSouth
Assets acquired:
Cash and cash equivalents	$ 22,610
Securities available for sale	112,363
Loans, gross	996,833
Allowance for loan losses	5,610
Premises and equipment	20,268
Core deposit intangible	28,840
Operating right-of-use lease assets	732
Other assets	27,163
Total	1,203,199
Liabilities assumed:
Deposits	1,045,308
Borrowings	38,800
Other liabilities	4,089
Total	1,088,197
Net identifiable assets acquired	115,002
Total consideration	229,489
Goodwill	$ 114,487