XML 95 R122.htm IDEA: XBRL DOCUMENT v2.4.0.8
Related Party Transactions - Additional Information (Detail) (USD $)
In Millions, unless otherwise specified
12 Months Ended
Dec. 31, 2013
Dec. 31, 2012
Dec. 31, 2011
Related Party Transactions [Abstract]      
Fees payable to Smith, Gambrell & Russell $ 1.0 $ 0.8 $ 6.5
Amount due to Smith, Gambrell & Russell $ 0.2