Leases - Additional Information (Details) $ in Thousands	3 Months Ended		6 Months Ended		15 Months Ended
	Jun. 30, 2020 USD ($)	Jun. 30, 2019 USD ($)	Jun. 30, 2020 USD ($)	Jun. 30, 2019 USD ($)	Oct. 31, 2016 Manufacturer	Dec. 31, 2019 USD ($)	[1]	Aug. 31, 2018 ft²
Leases [Abstract]
Weighted average discount rate, operating lease	6.40%		6.40%
Weighted average discount rate, finance lease	6.00%		6.00%
Weighted average remaining lease term, operating lease	1 year 9 months 18 days		1 year 9 months 18 days
Weighted average remaining lease term, finance lease	3 months 18 days		3 months 18 days
Right-of-use assets, operating leases	$ 10,838		$ 10,838			$ 7,705
Operating leases, rent expense	1,829	$ 1,930	3,760	$ 3,926
Irrevocable letter of credit	109		109
Number of manufacturers entered into finance lease arrangements | Manufacturer					2
Finance lease, right-of-use asset	336		336
Depreciation of finance lease assets	162	184	332	362
Finance lease, interest expense	5	18	12	42
Additional area subleased | ft²								14,380
Sublease income	$ 558	$ 570	$ 1,128	$ 1,140

[1] Derived from the Company’s audited consolidated financial statements as of December 31, 2019.