Realization of Assets - Additional Information (Detail) (USD $)	Jun. 30, 2012	Dec. 31, 2011	Jul. 26, 2007
Limited Partners' Capital Account [Line Items]
RZB note and accrued and unpaid estimated income taxes owed	$ 2,150,000	$ 2,610,000	$ 5,000,000
Consolidated deficit in working capital	3,847,000
Maximum
Limited Partners' Capital Account [Line Items]
Federal and state late filing penalties related to the Partnership's failure to deliver timely Schedules K-1 to its Unitholders	3,464,000
RZB Note and the accrued and unpaid estimated income taxes
Limited Partners' Capital Account [Line Items]
RZB note and accrued and unpaid estimated income taxes owed	2,150,000	2,610,000
Regional Enterprises, Inc. | RZB Note and the accrued and unpaid estimated income taxes
Limited Partners' Capital Account [Line Items]
RZB note and accrued and unpaid estimated income taxes owed	$ 2,307,000