Annual report pursuant to Section 13 and 15(d)

Related-Party Transactions - Schedule of Amount Due from (to) Affiliates (Detail)

v2.4.0.8
Related-Party Transactions - Schedule of Amount Due from (to) Affiliates (Detail) (USD $)
In Thousands, unless otherwise specified
Dec. 31, 2013
Dec. 31, 2012
Related Party Transaction [Line Items]    
Due from (to) affiliates    $ 60,389
General and administrative expense [Member]
   
Related Party Transaction [Line Items]    
Taxes and general and administrative expenses payable to MMC    (383)
Tax [Member]
   
Related Party Transaction [Line Items]    
Taxes and general and administrative expenses payable to MMC    (11,133)
Cash sweep [Member]
   
Related Party Transaction [Line Items]    
Cash sweep receivable from MMC    $ 71,905