Allowance for Credit Losses (Tables)

3 Months Ended

Mar. 31, 2014

Financing Receivable, Allowance for Credit Losses [Line Items]

Allowance for credit losses

The following table summarizes the Company’s allowance for credit losses for the three months endedMarch 31, 2014 and 2013:

	Finance Leases			Notes Receivable			Total
Allowance for credit losses
Balance at January 1, 2014	$	439		$	4,134		$	4,573
Provision for credit losses	8			—			8
Balance at March 31, 2014	$	447		$	4,134		$	4,581
Balance at January 1, 2013	$	525		$	2,047		$	2,572
Provision for credit losses	7			—			7
Recoveries	3			—			3
Write-offs	(75		)	(426		)	(501		)
Balance at March 31, 2013	$	460		$	1,621		$	2,081

Aging of past-due notes receivable

The following table summarizes the Company’s aging of past-due notes receivable balances:

	March 31, 2014		December 31, 2013
30-59 days past due	$	—	$	85
60-89 days past due	—		—
> 89 days past due (1)	759		—
Total past due	$	759	$	85

(1) past-due notes receivable balances greater than 89 days as of March 31, 2014 are fully reserved.