LEASES (Cash flows) (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2020	Mar. 31, 2019
Operating leases
Noncash change in operating right-of-use assets	$ 5,815	$ 4,730
Change in operating lease liabilities	(5,953)	(4,690)
Operating right-use-of-assets and lease liabilities, net	(138)	40
Cash paid for amounts included in the measurement of operating lease liabilities	$ (5,925)	$ (5,290)