DERIVATIVE FINANCIAL INSTRUMENTS AND HEDGING ACTIVITIES - Narrative (Details) $ in Thousands	3 Months Ended			12 Months Ended
	Jun. 30, 2021 USD ($)	Jun. 30, 2020 USD ($)	Mar. 31, 2020 agreement	Dec. 31, 2021 USD ($)	Dec. 31, 2020 USD ($)	Dec. 31, 2019 USD ($)
Derivative [Line Items]
Repayments of debt				$ 420,000	$ 152,000	$ 0
2020 Incremental Term Loan Facility borrowings due 2025 at a variable interest rate of 2.0% at December 31, 2020 | Excluding Timber Funds
Derivative [Line Items]
Repayments of debt	$ 250,000
Incremental Team Loan Agreement Due 2026 | Excluding Timber Funds
Derivative [Line Items]
Repayments of debt	100,000
Designated as Hedging Instrument
Derivative [Line Items]
Amount expected to be reclassified into earnings in next 12 months				(10,847)
Treasury Lock | Derivatives Designated as Cash Flow Hedges | Designated as Hedging Instrument
Derivative [Line Items]
Gain (loss) recorded to AOCI				17,300
Number of agreements | agreement			3
Interest Rate Swap Locks
Derivative [Line Items]
Amount de-designated and partially cash settled		$ 11,100
Interest Rate Swap Locks | Derivatives Designated as Cash Flow Hedges | Designated as Hedging Instrument
Derivative [Line Items]
Gain (loss) recorded to AOCI				1,200
Foreign currency exchange contracts | Designated as Hedging Instrument
Derivative [Line Items]
Amount expected to be reclassified into earnings in next 12 months				(965)
Interest Rate Swap Maturing 2030 | Derivatives Designated as Cash Flow Hedges | Designated as Hedging Instrument
Derivative [Line Items]
Amount subject to termination, de-designation, or cash settlement	250,000
Proceeds from derivative termination	6,800
Gain (loss) recorded to AOCI				15,900
Interest Rate Swap Maturing 2026 | Derivatives Designated as Cash Flow Hedges | Designated as Hedging Instrument
Derivative [Line Items]
Amount subject to termination, de-designation, or cash settlement	100,000
Gain (loss) related to terminated interest rate swaps	(2,200)
Forward-starting interest rate swaps | Derivatives Designated as Cash Flow Hedges | Designated as Hedging Instrument
Derivative [Line Items]
Amount subject to termination, de-designation, or cash settlement	$ 325,000
Gain (loss) recorded to AOCI				$ 9,700
New Zealand JV | Foreign Currency Exchange and Option Contracts, Scale 2
Derivative [Line Items]
Foreign currency cash flow hedge, period (in months)				12 months
New Zealand JV | Minimum | Foreign Currency Exchange and Option Contracts, Scale 2
Derivative [Line Items]
Foreign currency exposure hedged for forecasted sales in next twelve months, percent				50.00%
New Zealand JV | Minimum | Forecasted Sales and Purchases, term 2
Derivative [Line Items]
Foreign currency cash flow hedge, period (in months)				12 months
New Zealand JV | Minimum | Foreign Sales and Purchases, term 3
Derivative [Line Items]
Foreign currency cash flow hedge, period (in months)				18 months
New Zealand JV | Maximum | Foreign Currency Exchange and Option Contracts, Scale 2
Derivative [Line Items]
Foreign currency exposure hedged for forecasted sales in next twelve months, percent				90.00%
New Zealand JV | Maximum | Forecasted Sales and Purchases, term 2
Derivative [Line Items]
Foreign currency cash flow hedge, period (in months)				18 months
Foreign currency exposure hedged for forecasted sales in next 12 to 18 months, percent				75.00%
New Zealand JV | Maximum | Foreign Sales and Purchases, term 3
Derivative [Line Items]
Foreign currency cash flow hedge, period (in months)				48 months
Percent of forecast sales and purchases hedged for 18 to 48 months				50.00%