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