Commitments and Contingencies - Narrative (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018
Other Commitments [Line Items]
Operating lease expense	$ 443
Operating lease rent expense		$ 300
Interest expense period	3 years
Computer Equipment
Other Commitments [Line Items]
Financing agreement amount	$ 400