INCOME TAXES Components Of Income Tax Expense Benefit (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
Current tax provision (benefit):
U.S. Federal	$ 0	$ 0	$ (1,712)
State and local	(11)	18	(550)
Foreign	981	439	205
Total current provision for (benefit from) income taxes	970	457	(2,057)
Deferred tax provision (benefit):
U.S. Federal	0	0	0
State and local	0	0	0
Foreign	(228)	189	(102)
Total deferred provision for (benefit from) income taxes	(228)	189	(102)
Provision for (benefit from) income taxes	$ 742	$ 646	$ (2,159)