PREMISES AND EQUIPMENT, NET (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2020	Mar. 31, 2019	Dec. 31, 2019
Property, Plant and Equipment [Line Items]
Premises and equipment gross	$ 128,809		$ 128,265
Accumulated depreciation	(38,691)		(37,210)
Premises and equipment, net	90,118		91,055
Depreciation	1,677	$ 1,601
Land
Property, Plant and Equipment [Line Items]
Premises and equipment gross	19,123		19,123
Buildings and improvements
Property, Plant and Equipment [Line Items]
Premises and equipment gross	77,028		77,296
Furniture and equipment
Property, Plant and Equipment [Line Items]
Premises and equipment gross	$ 32,658		$ 31,846