Allowance for Credit Losses (Details Textuals) (USD $) In Thousands, unless otherwise specified					9 Months Ended
	Sep. 30, 2013	Dec. 31, 2012	Sep. 30, 2012	Dec. 31, 2011	Sep. 30, 2013 Minimum [Member]	Sep. 30, 2013 Maximum [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Financing Receivable, Allowance for Credit Losses	$ 446	$ 2,572	$ 2,566	$ 2,257
Allowance for credit losses (Textuals)
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	2,489	2,060
Past Due Period Of Financing Receivable Accruing Interest					90 days
Interest accrued in the recorded investment in finance lease receivable	0	0
The recorded investment in impaired notes receivable	0	2,047
The recorded investment in impaired notes related allowance	$ 0	$ 2,047