Quarterly report pursuant to Section 13 or 15(d)

Leases (Details)

v3.19.3
Leases (Details)
9 Months Ended
Sep. 30, 2019
Lessor, Lease, Description [Line Items]  
Average term of contract 5 years
Minimum  
Lessor, Lease, Description [Line Items]  
Term of contract 1 month
Maximum  
Lessor, Lease, Description [Line Items]  
Term of contract 15 years
United States Government  
Lessor, Lease, Description [Line Items]  
Renewal term 1 year