v3.8.0.1

REVENUE FROM CONTRACTS WITH CUSTOMERS Table 2 - Contract Assets and Liabilities (Details) $ in Thousands	3 Months Ended
	Mar. 31, 2018 USD ($)
Contract assets
Balance as of January 1, 2018	$ 2,127
Additions	460
Transfer to accounts receivable	(1,653)
Total activity	(1,193)
Balance as of March 31, 2018	934
Less current portion	749
Noncurrent portion	185
Contract liabilities
Balance as of January 1, 2018	(57,870)
Additions	(2,386)
Transfer to revenues	2,935
Total activity	549
Balance as of March 31, 2018	(57,321)
Less current portion	(13,579)
Noncurrent portion	$ (43,742)

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