REVENUES FROM CONTRACTS WITH CUSTOMERS - Impact of Adoption on Statement of Operations (Details) - USD ($) $ in Thousands	3 Months Ended						9 Months Ended
	Sep. 30, 2018	Jun. 30, 2018	Mar. 31, 2018	Sep. 30, 2017	Jun. 30, 2017	Mar. 31, 2017	Sep. 30, 2018	Sep. 30, 2017
Statement of Operations
Total revenue, net	$ 365,854			$ 278,834			$ 1,089,126	$ 819,634
Cost of goods sold	143,245			101,757			425,032	287,340
Income tax benefit	(2,271)			76			(2,776)	(4,406)
Net income	13,295	$ 11,376	$ 10,992	$ 3,159	$ 10,835	$ 6,394	35,663	$ 20,388
Excluding Impact of Topic 606
Statement of Operations
Total revenue, net	368,990						1,089,153
Cost of goods sold	143,918						424,969
Income tax benefit	(1,092)						(2,754)
Net income	$ 14,579						$ 35,731