PREMISES AND EQUIPMENT - Summary of Premises and Equipment, Less Accumulated Depreciation (Details) - USD ($) $ in Thousands	Dec. 31, 2023	Dec. 31, 2022
Property, Plant and Equipment [Line Items]
Premises and equipment, gross	$ 169,206	$ 152,628
Less accumulated depreciation and amortization	50,450	43,672
Premises and equipment, net	118,756	108,956
Land
Property, Plant and Equipment [Line Items]
Premises and equipment, gross	18,015	14,841
Land improvements
Property, Plant and Equipment [Line Items]
Premises and equipment, gross	5,461	5,361
Building and improvements
Property, Plant and Equipment [Line Items]
Premises and equipment, gross	99,664	89,630
Leasehold improvements
Property, Plant and Equipment [Line Items]
Premises and equipment, gross	7,228	7,079
Furniture and equipment
Property, Plant and Equipment [Line Items]
Premises and equipment, gross	$ 38,838	$ 35,717