PREMISES AND EQUIPMENT - Summary of premises and equipment, net (Details) - USD ($) $ in Thousands	Dec. 31, 2022	Dec. 31, 2021
Premises and equipment
Premises and equipment, gross	$ 225,853	$ 232,079
Accumulated depreciation	99,329	95,932
Premises and equipment, net	126,524	136,147
Land and improvements
Premises and equipment
Premises and equipment, gross	44,193	45,595
Buildings and improvements
Premises and equipment
Premises and equipment, gross	128,669	132,011
Furniture and equipment
Premises and equipment
Premises and equipment, gross	$ 52,991	$ 54,473

Amount of accumulated depreciation, depletion and amortization for physical assets used in the normal conduct of business to produce goods and services.

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Amount before accumulated depreciation, depletion and amortization of physical assets used in the normal conduct of business and not intended for resale. Examples include, but are not limited to, land, buildings, machinery and equipment, office equipment, and furniture and fixtures.

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