General (Details 5) (CDMI, USD $)	3 Months Ended	6 Months Ended
	Jun. 30, 2014	Jun. 30, 2014	Apr. 30, 2014
Contingent consideration disclosures
Maximum potential contingent payments			$ 165,000,000
Fair value measurement of contingent consideration
Fair values inputs - Discount Rate (as a percent)		14.50%
Estimated undiscounted future contingent payments			61,700,000
Fair value of the contingent consideration	46,982,000	46,982,000
Liability for contingent consideration
Acquisition of CDMI			45,778,000
Interest accretion	1,204,000	1,204,000
Balance as of end of period	$ 46,982,000	$ 46,982,000
Minimum
Fair value measurement of contingent consideration
Fair value inputs - Probability Of Payment (as a percent)		0.20%
Maximum
Fair value measurement of contingent consideration
Fair value inputs - Probability Of Payment (as a percent)		75.90%