Annual report pursuant to Section 13 and 15(d)

Leases - Balance Sheet Location (Details)

v3.20.4
Leases - Balance Sheet Location (Details) - USD ($)
Dec. 31, 2020
Dec. 31, 2019
Assets    
Operating lease assets $ 8,500,000 $ 6,000,000.0
Finance lease assets 1,000,000.0 600,000
Total lease assets 9,500,000 6,600,000
Current liabilities:    
Operating lease liabilities $ 2,700,000 $ 3,300,000
Operating Lease, Liability, Current, Statement of Financial Position [Extensible List] us-gaap:AccountsPayableAndAccruedLiabilitiesCurrent us-gaap:AccountsPayableAndAccruedLiabilitiesCurrent
Finance lease liabilities $ 300,000 $ 200,000
Liabilities, Noncurrent [Abstract]    
Operating lease liabilities 5,800,000 2,700,000
Finance lease liabilities 700,000 300,000
Total lease liabilities $ 9,500,000 $ 6,500,000