Quarterly report pursuant to Section 13 or 15(d)

Segment Information (Narrative) (Details)

v3.21.2
Segment Information (Narrative) (Details) - segment
3 Months Ended 6 Months Ended
Jun. 30, 2021
Jun. 30, 2021
Concentration Risk [Line Items]    
Number of reportable operating segments   2
Sales Revenue, Net [Member] | Customer Concentration Risk [Member]    
Concentration Risk [Line Items]    
Concentration risk, percentage 100.00% 100.00%