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Information by Segment and Geography - Narrative (Details)
3 Months Ended 6 Months Ended
Jun. 30, 2021
Jun. 30, 2020
Jun. 30, 2021
Jun. 30, 2020
Dec. 31, 2020
Segment Reporting [Abstract]          
Percentages Of Foreign Operations Consolidated Revenue 5.00% 5.00% 5.00% 5.00%  
Long lived assets of foreign operations 5.00%   5.00%   5.00%