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Leases - Income Generated as Lessor (Details)
$ in Thousands
3 Months Ended
Mar. 31, 2019
USD ($)
Leases [Abstract]  
Lessor, Operating Lease, Payments to be Received $ 200
Lessor, Operating Lease, Assumptions and Judgments, Value of Underlying Asset, Amount 500
Operating Leases 42
Financing Leases 0
Total lease payments $ 42