Annual report pursuant to Section 13 and 15(d)

Summary of Significant Accounting Policies Lessee, Lease, Description (Details)

v3.19.3.a.u2
Summary of Significant Accounting Policies Lessee, Lease, Description (Details)
Dec. 31, 2019
Maximum [Member]  
Lessee, Lease, Description [Line Items]  
Lessee, Operating Lease, Term of Contract 5 years
Minimum [Member]  
Lessee, Lease, Description [Line Items]  
Lessee, Operating Lease, Term of Contract 2 years