Annual report pursuant to Section 13 and 15(d)

Leases (Supplemental Cash Flow Information) (Details)

v3.20.4
Leases (Supplemental Cash Flow Information) (Details) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2020
Dec. 31, 2019
Dec. 31, 2018
Lessee, Lease, Description [Line Items]      
Financing cash flows for financing leases $ 854 $ 223 $ 15,379
Real estate related leases      
Lessee, Lease, Description [Line Items]      
Operating cash flows for operating leases 1,694 1,004  
Financing cash flows for financing leases $ 674 $ 14