Organization and Summary of Significant Accounting Policies (Tables)

12 Months Ended

Dec. 31, 2015

Organization and Summary of Significant Accounting Policies - Organization and Investments

Schedule of reconciliation between basic common shares and fully diluted common shares

	Years Ended December 31,
	2015	2014	2013
	(in thousands)
Shares:
Weighted-average number of common shares outstanding	7,811	7,917	8,029
Dilutive and potentially dilutive common shares	171	224	260
Total shares	7,982	8,141	8,289

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

	Assets at Fair Value																Total Losses
	December 31, 2015								December 31, 2014								December 31,
	Total		Level 1		Level 2		Level 3		Total		Level 1		Level 2		Level 3		2015		2014
	(in thousands)																(in thousands)
Equipment held for lease	$	2,154	$	—	$	2,154	$	—	$	10,787	$	—	$	10,787	$	—	$	(2,536)	$	(2,420)
Equipment held for sale		4,932		—		4,932		—		3,364		—		3,364		—		(6,645)		(3,074)
Spare parts inventory		—		—		—		—		2,371		—		2,371		—		—		(108)
Total	$	7,086	$	—	$	7,086	$	—	$	16,522	$	—	$	16,522	$	—	$	(9,181)	$	(5,602)