Accrued Liabilities (Detail) (USD $)
In Thousands, unless otherwise specified
Dec. 31, 2014
Dec. 31, 2013
Schedule of Accrued Liabilities [Line Items]    
Accrued interest $ 77,660 $ 58,852
Payroll and employee benefit costs 43,364 40,054
Accrued transaction costs 25,298 0
Restructuring costs 24,181 0
Accrued sales rebates 11,854 11,573
Derivatives 6,268 4,959
Accrued taxes - other than income 1,466 1,456
Freight and other 15,306 5,441
Accrued liabilities 205,397 122,335
VERSO PAPER HOLDINGS LLC    
Schedule of Accrued Liabilities [Line Items]    
Accrued interest 77,787 58,977
Payroll and employee benefit costs 43,364 40,054
Accrued transaction costs 25,298 0
Restructuring costs 24,181 0
Accrued sales rebates 11,854 11,573
Derivatives 6,268 4,959
Accrued taxes - other than income 1,455 1,431
Freight and other 15,306 5,441
Accrued liabilities $ 205,513 $ 122,435