Allowance for Credit Losses (Details Textuals) (USD $) In Thousands, unless otherwise specified					9 Months Ended
	Sep. 30, 2014	Dec. 31, 2013	Sep. 30, 2013	Dec. 31, 2012	Sep. 30, 2014 Minimum [Member]	Sep. 30, 2014 Maximum [Member]	Sep. 30, 2014 Brazil	Dec. 31, 2013 Brazil	Sep. 30, 2014 Finance Leases Financing Receivable [Member]	Dec. 31, 2013 Finance Leases Financing Receivable [Member]	Sep. 30, 2013 Finance Leases Financing Receivable [Member]	Dec. 31, 2012 Finance Leases Financing Receivable [Member]	Sep. 30, 2014 Notes Receivable [Member]	Dec. 31, 2013 Notes Receivable [Member]	Sep. 30, 2013 Notes Receivable [Member]	Dec. 31, 2012 Notes Receivable [Member]
Allowance for credit losses (Textuals)
Financing Receivable, Allowance for Credit Losses	$ 4,500	$ 4,573	$ 446	$ 2,572					$ 366	$ 439	$ 446	$ 525	$ 4,134	$ 4,134	$ 0	$ 2,047
Financing Receivable, Individually Evaluated for Impairment									166,572		88,216		18,053		16,343
Financing Receivable, Recorded Investment, Current							111,762	33,283
Period required for considering financing receivable as non accrual status					60 days	89 days
Period for placing financing receivables on non-accrual status					89 days
The recorded investment in past-due finance lease receivables on nonaccrual status	2,960	1,670
Past Due Period Of Financing Receivable Accruing Interest					90 days
Recorded investments in finance receivables past due 90 days or more and still accruing interest	0	0
The recorded investment in impaired notes receivable	4,134	4,134
The recorded investment in impaired notes related allowance	$ 4,134	$ 4,134