Leases Leases (Tables)

3 Months Ended

Mar. 31, 2019

Lease costs represent the straight-line lease expense of ROU assets and short-term leases. The components of lease cost are classified as follows (in thousands):



	March 31, 2019
Lease Costs included in the Condensed Consolidated Balance Sheets
Property, plant and equipment acquisitions - short-term leases	$	3,983
Property, plant and equipment acquisitions - operating leases	8
Total lease costs in property, plant and equipment additions	$	3,991



	Three Months Ended March 31, 2019
Lease Costs included in the Condensed Consolidated Statement of Operations
Lease operating costs - short-term leases	$	1,335
Lease operating costs - operating leases	54
General and administrative, net - operating leases	156
Total lease cost expensed	$	1,545

Lessee, Operating Lease, Disclosure [Table Text Block]

Lease term and the discount rate related to the Company's leases are as follows:



	Three Months Ended March 31, 2019
Weighted-average remaining lease term (in years)	4.2
Weighted-average discount rate	5.1	%

Lessee, Operating Lease, Liability, Maturity [Table Text Block]

As of March 31, 2019, the Company's future undiscounted cash payment obligation for its operating lease liabilities are as follows (in thousands):



	March 31, 2019
2019 (remaining after March 31, 2019)	$	648
2020	841
2021	358
2022	36
2023	38
Thereafter	363
Total undiscounted lease payments	$	2,284
Present value adjustment	(253		)
Net operating lease liabilities	$	2,031

Schedule of Cash Flow, Supplemental Disclosures [Table Text Block]

Supplement cash flow information related to leases was as follows (in thousands):



	Three Months Ended March 31, 2019
Cash paid for amounts included in the measurement of lease liabilities
Operating cash flows from operating leases	$	203
Investing cash flows from operating leases	$	8