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Accumulated Other Comprehensive Loss (Details) - USD ($)
 3 Months Ended 12 Months Ended
Mar. 31, 2021
Mar. 31, 2020
Dec. 31, 2020
Accumulated Other Comprehensive Income [Roll Forward]      
Beginning balance $ 1,891,000 $ 10,863,000 $ 10,863,000
Reclassification of amounts to income relating to APAC discontinued operations, net of tax 0 (599,000)  
Ending balance (2,883,000) 2,201,000 1,891,000
Accumulated other comprehensive income (loss) 0   599,000
Accumulated Other Comprehensive Loss      
Accumulated Other Comprehensive Income [Roll Forward]      
Beginning balance (4,059,000) (3,452,000) (3,452,000)
Ending balance (3,649,000) (4,323,000) $ (4,059,000)
Foreign Currency Translation      
Accumulated Other Comprehensive Income [Roll Forward]      
Other comprehensive income (loss) due to foreign currency translation, net of tax $ 410,000 $ (272,000)