CONSOLIDATED BALANCE SHEETS - USD ($) $ in Thousands	Dec. 31, 2020	Dec. 31, 2019
CURRENT ASSETS
Total cash and cash equivalents	$ 84,507	$ 68,735
Accounts receivable, less allowance for doubtful accounts of $25 and $24	49,082	27,127
Inventory	10,594	14,518
Prepaid logging roads	12,073	12,128
Prepaid expenses	4,095	2,600
Assets held for sale	3,449	0
Other current assets	6,765	867
Total current assets	170,565	125,975
TIMBER AND TIMBERLANDS, NET OF DEPLETION AND AMORTIZATION	3,262,126	2,482,047
HIGHER AND BETTER USE TIMBERLANDS AND REAL ESTATE DEVELOPMENT INVESTMENTS	108,518	81,791
PROPERTY, PLANT AND EQUIPMENT
Land	6,548	4,131
Buildings	31,024	23,095
Machinery and equipment	4,615	4,339
Construction in progress	452	348
Total property, plant and equipment, gross	42,639	31,913
Less—accumulated depreciation	(12,238)	(9,662)
Total property, plant and equipment, net	30,401	22,251
RESTRICTED CASH	2,975	1,233
RIGHT-OF-USE ASSETS	108,992	99,942
OTHER ASSETS	45,156	47,757
TOTAL ASSETS	3,728,733	2,860,996
CURRENT LIABILITIES
Accounts payable	24,790	18,160
Accrued taxes	7,347	3,032
Accrued payroll and benefits	12,327	8,869
Accrued interest	6,325	5,205
Deferred revenue	11,112	11,440
Other current liabilities	29,234	22,480
Total current liabilities	91,135	151,186
Long-term debt, net of deferred financing costs	1,360,515	973,129
PENSION AND OTHER POSTRETIREMENT BENEFITS	23,344	25,311
LONG-TERM LEASE LIABILITY	100,251	90,481
OTHER NON-CURRENT LIABILITIES	160,722	83,247
COMMITMENTS AND CONTINGENCIES
NONCONTROLLING INTERESTS IN THE OPERATING PARTNERSHIP/REDEEMABLE OPERATING PARTNERSHIP UNITS 4,428,900 and 0 Units outstanding, respectively	130,121	0
SHAREHOLDERS’ EQUITY
Common Shares, 480,000,000 shares authorized, 137,678,822 and 129,331,069 shares issued and outstanding	1,101,675	888,177
Retained earnings	446,267	583,006
Accumulated other comprehensive (loss) income	(73,885)	(31,202)
TOTAL RAYONIER INC. SHAREHOLDERS’ EQUITY	1,474,057	1,439,981
Noncontrolling interests in consolidated affiliates	388,588	97,661
TOTAL SHAREHOLDERS’ EQUITY	1,862,645	1,537,642
Partners' Capital [Abstract]
Accumulated other comprehensive (loss) income	(73,885)	(31,202)
TOTAL LIABILITIES, NONCONTROLLING INTERESTS IN THE OPERATING PARTNERSHIP AND SHAREHOLDERS’ EQUITY	3,728,733	2,860,996
Excluding Timber Funds
CURRENT ASSETS
Total cash and cash equivalents	80,454	68,735
CURRENT LIABILITIES
Current maturities of long-term debt, excluding Timber Funds	0	82,000
Long-term debt, net of deferred financing costs	1,300,336	973,129
Timber Funds
CURRENT ASSETS
Total cash and cash equivalents	4,053	0
CURRENT LIABILITIES
Long-term debt, net of deferred financing costs	60,179	0
Rayonier Limited Partnership
CURRENT ASSETS
Total cash and cash equivalents	84,507	68,735
Accounts receivable, less allowance for doubtful accounts of $25 and $24	49,082	27,127
Inventory	10,594	14,518
Prepaid logging roads	12,073	12,128
Prepaid expenses	4,095	2,600
Assets held for sale	3,449	0
Other current assets	6,765	867
Total current assets	170,565	125,975
TIMBER AND TIMBERLANDS, NET OF DEPLETION AND AMORTIZATION	3,262,126	2,482,047
HIGHER AND BETTER USE TIMBERLANDS AND REAL ESTATE DEVELOPMENT INVESTMENTS	108,518	81,791
PROPERTY, PLANT AND EQUIPMENT
Land	6,548	4,131
Buildings	31,024	23,095
Machinery and equipment	4,615	4,339
Construction in progress	452	348
Total property, plant and equipment, gross	42,639	31,913
Less—accumulated depreciation	(12,238)	(9,662)
Total property, plant and equipment, net	30,401	22,251
RESTRICTED CASH	2,975	1,233
RIGHT-OF-USE ASSETS	108,992	99,942
OTHER ASSETS	45,156	47,757
TOTAL ASSETS	3,728,733	2,860,996
CURRENT LIABILITIES
Accounts payable	24,790	18,160
Accrued taxes	7,347	3,032
Accrued payroll and benefits	12,327	8,869
Accrued interest	6,325	5,205
Deferred revenue	11,112	11,440
Other current liabilities	29,234	22,480
Total current liabilities	91,135	151,186
PENSION AND OTHER POSTRETIREMENT BENEFITS	23,344	25,311
LONG-TERM LEASE LIABILITY	100,251	90,481
OTHER NON-CURRENT LIABILITIES	160,722	83,247
NONCONTROLLING INTERESTS IN THE OPERATING PARTNERSHIP/REDEEMABLE OPERATING PARTNERSHIP UNITS 4,428,900 and 0 Units outstanding, respectively	130,121	0
SHAREHOLDERS’ EQUITY
Accumulated other comprehensive (loss) income	(71,345)	(31,202)
Partners' Capital [Abstract]
General partners’ capital	15,454	14,712
Limited partners’ capital	1,529,948	1,456,471
Accumulated other comprehensive (loss) income	(71,345)	(31,202)
TOTAL CONTROLLING INTEREST CAPITAL	1,474,057	1,439,981
Noncontrolling interests in consolidated affiliates	388,588	97,661
TOTAL CAPITAL	1,862,645	1,537,642
TOTAL LIABILITIES, NONCONTROLLING INTERESTS IN THE OPERATING PARTNERSHIP AND SHAREHOLDERS’ EQUITY	3,728,733	2,860,996
Rayonier Limited Partnership | Excluding Timber Funds
CURRENT ASSETS
Total cash and cash equivalents	80,454	68,735
CURRENT LIABILITIES
Current maturities of long-term debt, excluding Timber Funds	0	82,000
Long-term debt, net of deferred financing costs	1,300,336	973,129
Rayonier Limited Partnership | Timber Funds
CURRENT ASSETS
Total cash and cash equivalents	4,053	0
CURRENT LIABILITIES
Long-term debt, net of deferred financing costs	$ 60,179	$ 0