Related Party Transactions - Net Book Value of Assets Contributed to Memorial Resource (Detail) (Memorial Resource [Member], USD $)
In Thousands, unless otherwise specified
Dec. 12, 2012
Memorial Resource [Member]
 
Related Party Transaction [Line Items]  
Cash and cash equivalents $ 3,751
Accounts receivable 11,125
Prepaid expenses and other current assets 3,470
Property, plant and equipment, net 416
Accounts payable (7,898)
Accrued liabilities (7,864)
Net assets $ 3,000