XML 37 R61.htm IDEA: XBRL DOCUMENT v3.19.3.a.u2
Commitments and Contingencies - Future Minimum Lease Payments to the Company Under Noncancelable Operating Leases (Details)
$ in Thousands
12 Months Ended
Dec. 31, 2019
USD ($)
property
Lessee, Lease, Description [Line Items]  
Related party lease revenue $ 196,695
Operating Leases, Income Statement, Percentage Revenue 139,899
Operating Leases, Income Statement, Minimum Lease Revenue $ 56,796
Number of Real Estate Properties | property 28