Leases - Narrative (Details) $ in Thousands	Jun. 30, 2021 USD ($) ft²	Dec. 31, 2020 USD ($)
Lessee, Lease, Description [Line Items]
Operating lease and finance lease liabilities | $	$ 6,200
Operating lease and finance lease, right of use assets, net | $	6,085	$ 2,911
Operating lease liabilities | $	$ 4,726	3,000
Operating lease, right of use assets | $		$ 2,900
Wixom, Michigan | Wixom, Michigan Property One
Lessee, Lease, Description [Line Items]
Facility sqft.	51,000
Wixom, Michigan | Wixom, Michigan Property Two
Lessee, Lease, Description [Line Items]
Facility sqft.	17,500
Grapevine, Texas
Lessee, Lease, Description [Line Items]
Facility sqft.	51,000
Greer, South Carolina
Lessee, Lease, Description [Line Items]
Facility sqft.	57,000
Hackensack, New Jersey
Lessee, Lease, Description [Line Items]
Facility sqft.	4,100
Maximum
Lessee, Lease, Description [Line Items]
Lease term	5 years