Basis of Presentation, Use of Estimates and Recent Accounting Pronouncements - Summary of Useful Lives of the Property and Equipment (Details)	12 Months Ended
	Dec. 31, 2016
Lab Equipment
Summary Of Significant Accounting Policies [Line Items]
Property and equipment, useful life	5 years
Furniture and Fixtures
Summary Of Significant Accounting Policies [Line Items]
Property and equipment, useful life	5 years
Computer and Office Equipment | Minimum
Summary Of Significant Accounting Policies [Line Items]
Property and equipment, useful life	3 years
Computer and Office Equipment | Maximum
Summary Of Significant Accounting Policies [Line Items]
Property and equipment, useful life	5 years
Leasehold Improvements
Summary Of Significant Accounting Policies [Line Items]
Property and equipment, useful life	Shorter of remaining lease term or estimated useful life