Consolidated Balance Sheets (Parenthetical) - USD ($) $ in Thousands	Mar. 31, 2017	Dec. 31, 2016
Statement of Financial Position [Abstract]
Allowance for doubtful accounts receivables- current	$ 2,614	$ 2,600
Related party accounts receivable- current	249	393
Related party accounts payable- current	1,345	2,925
Related party accrued expenses and other current liabilities	$ 2,899	$ 992
Preferred stock, par value ( in dollar per share)	$ 0.0001	$ 0.0001
Preferred stock, shares authorized (in shares)	20,000,000	20,000,000
Preferred stock, share issued (in shares)	0	0
Preferred stock, shares outstanding (in shares)	0	0
Common stock, par value (in dollars per shares)	$ 0.0001	$ 0.0001
Common stock, shares authorized (in shares)	1,000,000,000	1,000,000,000
Common stock, shares issued (in shares)	89,098,426	86,159,527
Common stock, shares outstanding (in shares)	89,098,426	86,159,527