Condensed Consolidating Financial Information - Additional Information (Detail) (VERSO PAPER HOLDINGS LLC)
12 Months Ended
Dec. 31, 2014
Condensed Financial Statements, Captions [Line Items]  
Percentage of ownership interest in subsidiary 100.00%
11.75% Senior Secured Notes
 
Condensed Financial Statements, Captions [Line Items]  
Interest rate (percentage) 11.75%
Debt Instrument Maturity Year 2019
8.75% Second Priority Senior Secured Notes
 
Condensed Financial Statements, Captions [Line Items]  
Interest rate (percentage) 8.75%
Debt Instrument Maturity Year 2019
11.38% Senior Subordinated Notes
 
Condensed Financial Statements, Captions [Line Items]  
Interest rate (percentage) 11.38%
Debt Instrument Maturity Year 2016