Leases - Narrative (Details) $ in Thousands	12 Months Ended
	Dec. 31, 2020 USD ($) renewal	Dec. 31, 2019 USD ($)
Leases [Abstract]
Number of renewal options, or more | renewal	1
Operating lease cost | $	$ 243	$ 152,000
Weighted average remaining lease term	4 years 6 months 18 days
Weighted average discount rate	1.75%