Quarterly report pursuant to Section 13 or 15(d)

Summary of Significant Accounting Policies (Narrative) (Details)

v3.20.1
Summary of Significant Accounting Policies (Narrative) (Details)
3 Months Ended
Mar. 31, 2020
segment
item
Summary of Significant Accounting Policies [Abstract]  
Number of segments | segment 3
Number of business units | item 3