PREMISES AND EQUIPMENT (Details) - USD ($) $ in Thousands	Dec. 31, 2020	Dec. 31, 2019
Premises:
Property, Plant and Equipment, Gross	$ 140,979	$ 122,092
Less accumulated depreciation and amortization	26,156	23,634
Property, Plant and Equipment, Net	114,823	98,458
Land [Member]
Premises:
Property, Plant and Equipment, Gross	34,976	30,094
Building and improvements [Member]
Premises:
Property, Plant and Equipment, Gross	78,490	63,346
Equipment [Member]
Premises:
Property, Plant and Equipment, Gross	26,992	22,394
Construction in Progress [Member]
Premises:
Property, Plant and Equipment, Gross	$ 521	$ 6,258