Summary of Significant Accounting Policies (Tables)

9 Months Ended

Sep. 30, 2015

Summary of Significant Accounting Policies

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

	Assets at Fair Value																Total Losses
	September 30, 2015								September 30, 2014								Nine Months Ended September 30,
	Total		Level 1		Level 2		Level 3		Total		Level 1		Level 2		Level 3		2015		2014
	(in thousands)																(in thousands)
Equipment held for sale	$	10,189	$	—	$	7,524	$	2,665	$	20,795	$	—	$	13,666	$	7,129	$	(8,580)	$	(2,928)
Total	$	10,189	$	—	$	7,524	$	2,665	$	20,795	$	—	$	13,666	$	7,129	$	(8,580)	$	(2,928)