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SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES, FOREIGN CURRENCY AND ACCUMULATED OTHER COMPREHENSIVE LOSS, NET OF TAX (Details) (USD $)
In Thousands, unless otherwise specified |
3 Months Ended | ||
|---|---|---|---|
|
Mar. 31, 2015
|
Mar. 31, 2014
|
Dec. 31, 2014
|
|
| Accounting Policies [Abstract] | |||
| Material gains or losses from foreign currency transactions | $ 0 | $ 0 | |
| Accumulated Other Comprehensive Loss Net of Tax [Abstract] | |||
| Foreign currency translation adjustment | (6,954) | (5,693) | |
| Accumulated net unrealized loss on investments, net of tax | (523) | (691) | |
| Total accumulated other comprehensive loss | (7,477) | (6,384) | |
| Reclassification out of accumulated other comprehensive loss | $ 0 | $ 0 | |