SEGMENT AND GEOGRAPHIC INFORMATION - Long-Lived Assets by Geographic Region (Details) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2013	Dec. 31, 2012
Revenues from External Customers and Long-Lived Assets [Line Items]
Total net property and equipment	$ 18,671	$ 28,663
United States [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Total net property and equipment	13,829	22,203
Singapore [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Total net property and equipment	3,218	4,260
Europe [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Total net property and equipment	1,319	1,770
Other countries [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Total net property and equipment	$ 305	$ 430