Annual report pursuant to Section 13 and 15(d)

Consolidated Statements of Comprehensive Income (Loss) (Parenthetical)

v3.20.4
Consolidated Statements of Comprehensive Income (Loss) (Parenthetical) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2020
Dec. 31, 2019
Dec. 31, 2018
Income Statement [Abstract]      
Depreciation $ 5,695 $ 6,253 $ 7,567