Related Party Transactions - Additional Information (Detail) (USD $)
12 Months Ended 0 Months Ended 12 Months Ended 3 Months Ended
Dec. 31, 2014
Dec. 31, 2013
Dec. 31, 2012
Dec. 31, 2010
Dec. 31, 2010
Dec. 31, 2014
Dec. 31, 2011
Dec. 29, 2010
Jan. 31, 2013
Related Party Transaction [Line Items]                  
Management agreement expiration date Jun. 01, 2017                
Long-term debt $ 1,296,906,000 $ 1,235,167,000       $ 1,296,906,000      
VERSO PAPER HOLDINGS LLC                  
Related Party Transaction [Line Items]                  
Return of capital 717,000 (94,878,000) 776,000            
Long-term debt 1,350,211,000 1,271,782,000       1,350,211,000      
Long-term notes receivable from a related party 23,305,000 23,305,000       23,305,000      
Distribution To Parent   100,000              
Capital contribution from a parent 717,000 0 776,000            
Chase NMTC Verso Investment Fund, LLC | Variable Interest Entity, Primary Beneficiary                  
Related Party Transaction [Line Items]                  
Long-term debt 23,305,000 23,305,000       23,305,000   23,305,000  
Interest rate (percentage)       6.50% 6.50%   6.50%    
Notes, maturity date       Dec. 29, 2040 Dec. 29, 2040        
Accrued interest payable to a related party 100,000 100,000       100,000      
Interest expense incurred from transactions with a related party 1,500,000 1,500,000              
VERSO PAPER HOLDINGS LLC                  
Related Party Transaction [Line Items]                  
Long-term notes receivable from a related party 23,305,000 23,305,000       23,305,000      
Accrued interest receivable from a related party 100,000 100,000       100,000      
Interest income recognized from transactions with a related party 1,500,000 1,500,000              
Verso Paper Finance Holdings LLC                  
Related Party Transaction [Line Items]                  
Long-term debt 23,305,000 23,305,000   23,305,000 23,305,000 23,305,000      
Interest rate (percentage)               6.50%  
Notes, maturity date Dec. 29, 2040                
Long-term notes receivable from a related party 23,305,000 23,305,000       23,305,000      
Accrued interest receivable from a related party 100,000 100,000       100,000      
Interest income recognized from transactions with a related party 1,500,000 1,500,000 1,500,000            
Paid-in Capital | VERSO PAPER HOLDINGS LLC                  
Related Party Transaction [Line Items]                  
Return of capital 717,000 (94,878,000) 776,000            
11.75% Senior Secured Notes | VERSO PAPER HOLDINGS LLC                  
Related Party Transaction [Line Items]                  
Principal amount of debt issued                 72,900,000
Long-term debt 424,654,000 426,076,000       424,654,000      
Interest rate (percentage)     11.75%           11.75%
Notes, maturity date     Jan. 15, 2019     Jan. 15, 2019      
Senior Unsecured Term Loan | Verso Paper Finance Holdings LLC                  
Related Party Transaction [Line Items]                  
Principal amount of debt issued                 85,800,000
Management Agreement                  
Related Party Transaction [Line Items]                  
Management agreement expiration date Aug. 01, 2018                
Management fee as a percentage of aggregate enterprise value 1.00%         1.00%      
Purchases from Apollo $ 0 $ 0 $ 0