Fair Value Measurements (Tables)

6 Months Ended

Jun. 30, 2018

Fair Value Measurements

Schedule of fair value hierarchy of assets measured on nonrecurring basis and gain (losses) recorded

	Assets at Fair Value																Total Losses
	June 30, 2018								December 31, 2017								Six Months Ended June 30,
	Level 1		Level 2		Level 3		Total		Level 1		Level 2		Level 3		Total		2018		2017
	(in thousands)																(in thousands)
Equipment held for lease	$	—	$	—	$	—	$	—	$	—	$	23,255	$	—	$	23,255	$	—	$	(9,019)
Equipment held for sale		—		3,227		—		3,227		—		39,261		—		39,261		(3,578)		(4,423)
Spare parts inventory		—		593		—		593		—		5,336		—		5,336		(1,517)		(1,843)
Total	$	—	$	3,820	$	—	$	3,820	$	—	$	67,852	$	—	$	67,852	$	(5,095)	$	(15,285)