Condensed Consolidated Statements of Redeemable Preferred Stock and Equity (Unaudited) (Parenthetical) $ in Thousands	9 Months Ended
	Sep. 30, 2014 USD ($)
Statement of Stockholders' Equity [Abstract]
Issuance cost of common stock issued in acquisition	$ 884
Taxes on convertible notes conversion feature	5,082
Issuance costs on convertible notes conversion feature	881
Taxes on purchase of remaining interest in VIE	$ 300