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INCOME TAXES composition of income tax expense (benefit) (Details) (USD $)
In Thousands, unless otherwise specified
 3 Months Ended 12 Months Ended
Dec. 31, 2013
Sep. 30, 2013
Jun. 30, 2013
Mar. 31, 2013
Dec. 31, 2012
Sep. 30, 2012
Jun. 30, 2012
Mar. 31, 2012
Dec. 31, 2013
Dec. 31, 2012
Dec. 31, 2011
Operating Loss Carryforwards [Line Items]                      
Current Federal Tax Expense (Benefit)                 $ 0 $ (1,802) $ 1,800
Current State and Local Tax Expense (Benefit)                 2 2 2
Current Foreign Tax Expense (Benefit)                 0 676 88
Current Income Tax Expense (Benefit)                 2 (1,124) 1,890
Deferred Federal Income Tax Expense (Benefit)                 0 (1,434) (14,571)
Deferred State and Local Income Tax Expense (Benefit)                 0 0 0
Deferred Foreign Income Tax Expense (Benefit)                 154 (398) (86)
Deferred Income Tax Expense (Benefit)                 154 (1,832) (14,657)
Income Tax Expense (Benefit) $ (72) $ 143 $ 16 $ 69 $ (480) $ (1,487) $ (1,064) $ 75 $ 156 $ (2,956) $ (12,767)