Segment and Geographical Information (Details) $ in Thousands	3 Months Ended
	Mar. 31, 2017 USD ($) segment	Mar. 31, 2016 USD ($)	Dec. 31, 2016 USD ($)
Segment Reporting [Abstract]
Number of segments | segment	2
Segment Reporting Information [Line Items]
Revenues	$ 150,554	$ 171,004
Cost of revenues	86,362	91,059
Gross profit	64,192	79,945
Operating expenses	81,428	78,093
Income (loss) from operations	(17,236)	1,852
Property and equipment, net	40,996		$ 42,011
United States
Segment Reporting Information [Line Items]
Revenues	132,280	143,493
Property and equipment, net	35,471		36,497
Rest of world
Segment Reporting Information [Line Items]
Revenues	18,274	27,511
Property and equipment, net	5,525		$ 5,514
Operating segments
Segment Reporting Information [Line Items]
Revenues	150,554	171,004
Cost of revenues	86,362	91,059
Gross profit	64,192	79,945
Operating expenses	61,943	57,816
Income (loss) from operations	2,249	22,129
Operating segments | Automation and Analytics
Segment Reporting Information [Line Items]
Revenues	124,171	148,945
Cost of revenues	68,761	77,207
Gross profit	55,410	71,738
Operating expenses	50,747	52,205
Income (loss) from operations	4,663	19,533
Operating segments | Medication Adherence
Segment Reporting Information [Line Items]
Revenues	26,383	22,059
Cost of revenues	17,601	13,852
Gross profit	8,782	8,207
Operating expenses	11,196	5,611
Income (loss) from operations	(2,414)	2,596
Corporate
Segment Reporting Information [Line Items]
Operating expenses	$ 19,485	$ 20,277