Allowance for Credit Losses (Details Textuals) (USD $) In Thousands, unless otherwise specified			6 Months Ended
	Jun. 30, 2012	Dec. 31, 2011	Jun. 30, 2012 Minimum [Member]	Jun. 30, 2012 Maximum [Member]
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	$ 4,928	$ 1,740
Past Due Period Of Financing Receivable Accruing Interest			90 days
Interest accrued in the recorded investment in finance lease receivable	98	114
The recorded investment in impaired notes receivable	2,047	2,047
The recorded investment in impaired notes related allowance	$ 2,047	$ 2,047