Intangibles and Other Assets (Detail) (USD $)
In Thousands, unless otherwise specified
Dec. 31, 2014
Dec. 31, 2013
Amortizable intangible assets:    
Amortizable intangible assets, net of accumulated amortization $ 4,701 $ 5,416
Unamortizable intangible assets:    
Indefinite-Lived Trademarks 9,880 16,180
Other assets:    
Financing costs, net of accumulated amortization of $18.8 million on December 31, 2014, and $13.6 million on December 31, 2013 23,118 28,761
Deferred major repair 21,118 16,218
Replacement parts, net 2,838 3,465
Restricted cash 2,603 4,946
Other 6,934 6,469
Total other assets 56,611 59,859
Intangibles and other assets 71,192 81,455
Customer Relationships    
Amortizable intangible assets:    
Amortizable intangible assets, net of accumulated amortization 4,520 5,120
Patents    
Amortizable intangible assets:    
Amortizable intangible assets, net of accumulated amortization 181 296
VERSO PAPER HOLDINGS LLC    
Amortizable intangible assets:    
Amortizable intangible assets, net of accumulated amortization 4,701 5,416
Unamortizable intangible assets:    
Indefinite-Lived Trademarks 9,880 16,180
Other assets:    
Financing costs, net of accumulated amortization of $18.8 million on December 31, 2014, and $13.6 million on December 31, 2013 23,118 28,761
Deferred major repair 21,118 16,218
Replacement parts, net 2,838 3,465
Loan to affiliate 23,305 23,305
Restricted cash 2,603 4,946
Other 6,934 6,469
Total other assets 79,916 83,164
Intangibles and other assets 94,497 104,760
VERSO PAPER HOLDINGS LLC | Customer Relationships    
Amortizable intangible assets:    
Amortizable intangible assets, net of accumulated amortization 4,520 5,120
VERSO PAPER HOLDINGS LLC | Patents    
Amortizable intangible assets:    
Amortizable intangible assets, net of accumulated amortization $ 181 $ 296