STOCKHOLDERS' EQUITY (Treasury Stock) (Details) - USD ($) $ in Thousands	3 Months Ended	6 Months Ended
	Jun. 30, 2019	Jun. 30, 2019	Jun. 30, 2018	Dec. 31, 2018
Treasury Stock
Aggregate cost of shares repurchased during the period		$ 5,171	$ 201
Treasury stock (in shares)	3,266,169	3,266,169		3,097,634
Stock Repurchase Program
Treasury Stock
Number of shares repurchased during the period	168,535
Aggregate cost of shares repurchased during the period	$ 5,200
Amount available for repurchase	$ 17,100	$ 17,100		$ 22,300