Cash Concentration Risk (Details) (USD $)	Mar. 31, 2013
Concentration Risk [Line Items]
Uninsured portion of cash	$ 1,609,723
SunTrust Bank [Member]
Concentration Risk [Line Items]
Number of cash accounts maintained by Partnership	1
Eagle Bank [Member]
Concentration Risk [Line Items]
Number of cash accounts maintained by Partnership	3

The amount of cash as of the balance sheet date that is not insured by the Federal Deposit Insurance Corporation.

No definition available.

Name:	us-gaap_CashUninsuredAmount
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant