Summary of Significant Accounting Policies - Estimated Useful Lives of Long-Lived Assets (Details) |
12 Months Ended |
---|---|
Dec. 31, 2018 | |
Office furniture and equipment | |
Property, Plant and Equipment [Line Items] | |
Useful Life | 5 years |
Minimum | Laboratory equipment, computers and software | |
Property, Plant and Equipment [Line Items] | |
Useful Life | 3 years |
Maximum | Laboratory equipment, computers and software | |
Property, Plant and Equipment [Line Items] | |
Useful Life | 5 years |