Allowance for Credit Losses (Narrative) (Details) (USD $) In Thousands, unless otherwise specified	Sep. 30, 2013	Dec. 31, 2012
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing lease receivable	$ 5,927	$ 6,959
Direct Financing Leases [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing lease receivable		$ 100

Tangible assets that are currently under operating or direct financing leases, or held in inventory as available for sale or re-lease.

No definition available.

Name:	zzhjb_InvestmentInEquipmentAndLeases
Namespace Prefix:	zzhjb_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant