Employee Benefit Plans - Change in PBO and Assets and Reconciliations (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
Defined Benefit Plan, Amounts Recognized in Balance Sheet [Abstract]
Noncurrent liabilities	$ (33,477)	$ (95,654)
Pension [Member]
Defined Benefit Plan, Change in Benefit Obligation [Rollforward]
Projected benefit obligation at beginning of year	413,638	454,470
Service cost	3,923	8,452	8,407
Interest cost	10,707	16,682	17,284
Settlement loss	0	137
Actuarial (gain) loss	43,093	(44,786)
Plan amendments	0	0
Employee contributions	0	0
Benefits paid	(11,288)	(21,317)
Transferred to Rayonier Advanced Materials	(296,966)	0
Projected benefit obligation at end of year	87,355	413,638	454,470
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward]
Fair value of plan assets at beginning of year	341,905	320,699
Actual return on plan assets	21,399	42,285
Employer contributions	1,103	1,699
Employee contributions	0	0
Benefits paid	(11,288)	(21,317)
Other expense	(607)	(1,461)
Transferred to Rayonier Advanced Materials	(372,718)	0
Fair value of plan assets at end of year	55,546	341,905	320,699
Defined Benefit Plan, Funded Status of Plan [Abstract]
Net accrued benefit cost	(31,809)	(71,733)
Defined Benefit Plan, Amounts Recognized in Balance Sheet [Abstract]
Noncurrent assets	0	3,583
Current liabilities	(15)	(1,776)
Noncurrent liabilities	(31,794)	(73,540)
Net amount recognized	(31,809)	(71,733)
Postretirement [Member]
Defined Benefit Plan, Change in Benefit Obligation [Rollforward]
Projected benefit obligation at beginning of year	21,999	27,582
Service cost	402	1,056	918
Interest cost	537	937	956
Settlement loss	0	0
Actuarial (gain) loss	2,250	(3,206)
Plan amendments	0	(3,372)
Employee contributions	484	980
Benefits paid	(888)	(1,978)
Transferred to Rayonier Advanced Materials	0	0
Projected benefit obligation at end of year	1,226	21,999	27,582
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward]
Fair value of plan assets at beginning of year	0	0
Actual return on plan assets	0	0
Employer contributions	404	998
Employee contributions	484	980
Benefits paid	(888)	(1,978)
Other expense	0	0
Transferred to Rayonier Advanced Materials	(23,558)	0
Fair value of plan assets at end of year	0	0	0
Defined Benefit Plan, Funded Status of Plan [Abstract]
Net accrued benefit cost	(1,226)	(21,999)
Defined Benefit Plan, Amounts Recognized in Balance Sheet [Abstract]
Noncurrent assets	0	0
Current liabilities	(25)	(1,071)
Noncurrent liabilities	(1,201)	(20,928)
Net amount recognized	$ (1,226)	$ (21,999)