Leases Leases (Tables)

6 Months Ended

Jun. 30, 2020

Leases [Abstract]

Lease, Cost [Table Text Block]

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):

	Three Months Ended June 30, 2020		Three Months Ended June 30, 2019		Six Months Ended June 30, 2020		Six Months Ended June 30, 2019
Lease Costs Included in the Asset Additions in the Condensed Consolidated Balance Sheets
Property, plant and equipment acquisitions - short-term leases	$	118	$	2,184	$	2,302	$	6,168
Property, plant and equipment acquisitions - operating leases	5		11		10		18
Total lease costs in property, plant and equipment additions	$	123	$	2,195	$	2,312	$	6,186

	Three Months Ended June 30, 2020		Three Months Ended June 30, 2019		Six Months Ended June 30, 2020		Six Months Ended June 30, 2019
Lease Costs Included in the Condensed Consolidated Statements of Operations
Lease operating costs - short-term leases	$	650	$	329	$	900	$	1,664
Lease operating costs - operating leases	1,433		1,084		2,870		1,138
General and administrative, net - operating leases	179		175		359		331
Total lease cost expensed	$	2,262	$	1,588	$	4,129	$	3,133

Lessee, Operating Lease, Disclosure [Table Text Block]

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

	June 30, 2020
Weighted-average remaining lease term (in years)	1.7
Weighted-average discount rate	4.7	%

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

As of June 30, 2020, the Company's future undiscounted cash payment obligation for its operating lease liabilities are as follows (in thousands):

	As of June 30, 2020
2020 (Remaining)	$	3,573
2021	3,676
2022	419
2023	93
2024	40
Thereafter	312
Total undiscounted lease payments	8,113
Present value adjustment	(363)
Net operating lease liabilities	$	7,750

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

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

	Six Months Ended June 30, 2020		Six Months Ended June 30, 2019
Cash paid for amounts included in the measurement of lease liabilities
Operating cash flows from operating leases	$	3,225	$	1,457
Investing cash flows from operating leases	$	10	$	18