LEASES (Cash flows) (Details) $ in Thousands	6 Months Ended
	Jun. 30, 2019 USD ($)
Operating leases
Noncash change in operating right-of-use assets	$ 9,784
Change in operating lease liabilities	(9,625)
Operating right-use-of-assets and lease liabilities, net	159
Cash paid for amounts included in the measurement of operating lease liabilities	$ (10,815)