Lease Commitments - Summary of Supplemental Balance Sheet Information Related to the Operating Leases (Details) - USD ($) $ in Thousands	Sep. 30, 2020	Dec. 31, 2019
Assets:
Operating lease right-of-use assets	$ 2,485	$ 933
Liabilities:
Operating lease liabilities, current	431	161
Operating lease liabilities	1,644	635
Total operating lease liabilities	$ 2,075	$ 796