Consolidated Balance Sheets (Parenthetical) (Successor [Member], USD $)
In Thousands, except Share data, unless otherwise specified
Dec. 31, 2013
Dec. 31, 2012
Dec. 31, 2013
Convertible Preferred Stock [Member]
Dec. 31, 2012
Convertible Preferred Stock [Member]
Intangibles, accumulated amortization $ 7,611 $ 5,757    
Valuation allowance $ 3,959 $ 200,048    
Preferred stock, par value     $ 0.01 $ 0.01
Preferred stock, shares authorized     0 9,969,970
Preferred stock, shares issued     0 9,334,030
Preferred stock, shares outstanding     0 9,334,030