Annual report pursuant to Section 13 and 15(d)

Long-Term Debt - Summary of Long-Term Debt (Parenthetical) (Detail)

v2.4.0.8
Long-Term Debt - Summary of Long-Term Debt (Parenthetical) (Detail) (10.875% Senior Notes [Member])
Dec. 31, 2013
Dec. 31, 2012
Jun. 30, 2012
Mar. 16, 2011
10.875% Senior Notes [Member]
       
Debt Instrument [Line Items]        
Interest rate on senior notes 10.875% 10.875% 10.875% 10.875%