XML 97 R87.htm IDEA: XBRL DOCUMENT v3.21.1
Segment Information Narrative (Details)
3 Months Ended
Mar. 31, 2021
Mar. 31, 2020
Revenue, Major Customer [Line Items]    
Number of reportable segments 3  
Sales [Member] | Customer A [Member]    
Revenue, Major Customer [Line Items]    
Concentration Risk, Percentage 10.00% 11.00%
Segment Reporting, Disclosure of Major Customers no one