Quarterly report pursuant to Section 13 or 15(d)

Fair Value of Financial Instruments - Summary of Estimated Fair Value of Company's Investments in Marketable Securities (Details)

v3.19.1
Fair Value of Financial Instruments - Summary of Estimated Fair Value of Company's Investments in Marketable Securities (Details)
$ in Thousands
Mar. 31, 2019
USD ($)
Available For Sale Securities [Abstract]  
Due within one year $ 49,011