Annual report pursuant to Section 13 and 15(d)

Leases (Narrative) (Details)

v3.19.3.a.u2
Leases (Narrative) (Details)
$ in Millions
Dec. 31, 2019
USD ($)
Lessee, Lease, Description [Line Items]  
Lesse, operating lease, lease not yet commenced, amount $ 6.8
Minimum  
Lessee, Lease, Description [Line Items]  
Lessee, operating lease, lease not yet commenced, term of contract 6 years
Maximum  
Lessee, Lease, Description [Line Items]  
Lessee, operating lease, lease not yet commenced, term of contract 11 years