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Other Current Assets (Details) - USD ($)
$ in Thousands
Jun. 30, 2015
Dec. 31, 2014
Deferred Costs, Capitalized, Prepaid, and Other Assets Disclosure [Abstract]    
Prepaid software maintenance $ 4,173 $ 1,934
Income tax receivable 3,182 1,869
Prepaid vendor payments 2,596 2,689
Prepaid rent 1,300 186
Prepaid taxes 1,213 1,416
Prepaid insurance 852 2,170
Prepaid other 4,344 4,427
Other 1,891 2,749
Other current assets $ 19,551 $ 17,440