Summary of Significant Accounting Policies (Details) - USD ($)	3 Months Ended	9 Months Ended		12 Months Ended
	Sep. 30, 2015	Sep. 30, 2016	Sep. 30, 2015	Dec. 31, 2015
Error Corrections and Prior Period Adjustments Restatement [Line Items]
Decrease in deferred income taxes		$ (7,332,000)	$ (2,429,000)
Maintenance Rights		$ 16,774,000		$ 12,140,000
Restatement adjustment
Error Corrections and Prior Period Adjustments Restatement [Line Items]
Decrease in equipment held for operating lease				13,700,000
Increase maintenance rights				12,100,000
Decrease in net income	$ 26,000		1,000,000
Decrease in deferred income taxes				600,000
Decrease in retained earnings				$ 1,100,000
Decrease in maintenance reserve revenue	0		(1,700,000)
Increase (decrease) in gain on sale of leased equipment			34,000
Decrease in depreciation and amortization expense	13,000		(72,000,000,000)
Increase in income tax benefit	$ 15,000,000,000
Decrease in income tax expense			$ 500,000
Decrease in basic and diluted earnings per share	$ 0.00		$ 0.12
Decrease in cash provided by operating income			$ 1,700,000
Decrease in the cash used by investing activities			$ 1,700,000