Annual report pursuant to Section 13 and 15(d)

Property And Equipment (Narrative) (Details)

v3.20.4
Property And Equipment (Narrative) (Details) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2020
Dec. 31, 2019
Dec. 31, 2018
Property And Equipment [Abstract]      
Depreciation expense $ 4,801 $ 4,550 $ 4,423