Annual report pursuant to Section 13 and 15(d)

Leases - Cash Flow Information (Details)

v3.20.4
Leases - Cash Flow Information (Details) - USD ($)
12 Months Ended
Dec. 31, 2020
Dec. 31, 2019
Lease, Cash Flows [Abstract]    
Operating cash flows from operating leases $ 4,400,000 $ 4,100,000
Financing cash flows from finance leases 0.3 300,000
Lease Liability [Abstract]    
Lease assets obtained in exchange for new operating lease liabilities 6,900,000 10,100,000
Lease assets obtained in exchange for new finance lease liabilities $ 700,000 $ 900,000