Inventory	9 Months Ended
Sep. 30, 2017
Inventory Disclosure [Abstract]
Inventory	Inventory Current inventory at September 30, 2017 and December 31, 2016, of $5.4 million and $5.4 million, respectively, consisted primarily of spare parts and small equipment held for use in the ordinary course of business. Non-current inventory at September 30, 2017 and December 31, 2016 of $3.9 million and $4.0 million, respectively, consisted primarily of spare engine components or items which require longer lead times for sourcing or fabrication for certain of the Company's assets to reduce equipment downtime.

Inventory

9 Months Ended

Sep. 30, 2017

Current inventory at September 30, 2017 and December 31, 2016, of $5.4 million and $5.4 million, respectively, consisted primarily of spare parts and small equipment held for use in the ordinary course of business.

Non-current inventory at September 30, 2017 and December 31, 2016 of $3.9 million and $4.0 million, respectively, consisted primarily of spare engine components or items which require longer lead times for sourcing or fabrication for certain of the Company's assets to reduce equipment downtime.