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Fair Value Measurements (Tables)

3 Months Ended

Mar. 31, 2019

Fair Value Disclosures [Abstract]

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



	Assets Written Down to Fair Value																																Total Losses
	March 31, 2019																December 31, 2018																Three Months Ended March 31,
	Level 1				Level 2				Level 3				Total				Level 1				Level 2				Level 3				Total				2019				2018

	(in thousands)																																(in thousands)
Equipment held for lease	$	—			$	—			$	—			$	—			$	—			$	17,756			$	—			$	17,756			$	1,105			$	—
Equipment held for sale	—				—				—				—				—				472				—				472				—				—
Total	$	—			$	—			$	—			$	—			$	—			$	18,228			$	—			$	18,228			$	1,105			$	—