Entity Wide Disclosures - Additional Information (Details) - Service Revenue, Net	3 Months Ended	9 Months Ended	12 Months Ended
	Mar. 31, 2014	Dec. 31, 2014	Dec. 31, 2016	Dec. 31, 2015
Geographical Locations | Maximum
Segment Reporting Information [Line Items]
Percentage of service revenue to consolidated service revenue			5.00%
Products And Services | Clinical Research Service
Segment Reporting Information [Line Items]
Percentage of service revenue to consolidated service revenue		85.00%	87.00%	87.00%
Products And Services | Clinical Research Service | Predecessor
Segment Reporting Information [Line Items]
Percentage of service revenue to consolidated service revenue	85.00%
Products And Services | Laboratory Services
Segment Reporting Information [Line Items]
Percentage of service revenue to consolidated service revenue		15.00%	13.00%	13.00%
Products And Services | Laboratory Services | Predecessor
Segment Reporting Information [Line Items]
Percentage of service revenue to consolidated service revenue	15.00%
U.S. | Geographical Locations
Segment Reporting Information [Line Items]
Percentage of service revenue to consolidated service revenue			98.00%	98.00%