Fair Value Measurements - Summary of Financial Assets and Liabilities Measured at Fair Value (Details) - USD ($) $ in Thousands	Mar. 31, 2020	Dec. 31, 2019
Assets:
Total	$ 50,497	$ 76,199
Money market funds included within cash and cash equivalents
Assets:
Cash and cash equivalents, fair value disclosure	50,497	76,199
(Level 1)
Assets:
Total	50,497	76,199
(Level 1) | Money market funds included within cash and cash equivalents
Assets:
Cash and cash equivalents, fair value disclosure	50,497	76,199
(Level 2)
Assets:
Total	0	0
(Level 2) | Money market funds included within cash and cash equivalents
Assets:
Cash and cash equivalents, fair value disclosure	0	0
(Level 3)
Assets:
Total	0	0
(Level 3) | Money market funds included within cash and cash equivalents
Assets:
Cash and cash equivalents, fair value disclosure	$ 0	$ 0