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DERIVATIVE FINANCIAL INSTRUMENTS AND HEDGING ACTIVITIES - Narrative (Details)	6 Months Ended
	Jun. 30, 2026 USD ($) derivative_instrument	Apr. 28, 2026 USD ($)	Jan. 30, 2026 USD ($) derivative_instrument	Dec. 31, 2025 USD ($)
Derivative [Line Items]
Notional Amount	$ 1,409,500
Derivatives Designated as Cash Flow Hedges
Derivative [Line Items]
Amount expected to be reclassified into earnings in next 12 months	16,400,000
Interest rate swaps \| Derivatives Designated as Cash Flow Hedges \| Derivatives Designated as Cash Flow Hedges
Derivative [Line Items]
Notional Amount	$ 1,409,500,000	$ 200,000,000		$ 600,000,000
Term	9 years
Interest rate swaps \| PotlatchDeltic \| Derivatives Designated as Cash Flow Hedges \| Derivatives Designated as Cash Flow Hedges
Derivative [Line Items]
Derivative, number of instruments acquired \| derivative_instrument	17		18
Notional Amount	$ 1,009,500,000		$ 1,037,000,000
Interest Rate Swap Maturing February 2026 \| PotlatchDeltic \| Derivatives Designated as Cash Flow Hedges \| Derivatives Designated as Cash Flow Hedges
Derivative [Line Items]
Derivative, number of instruments acquired \| derivative_instrument			1
Notional Amount			$ 27,500,000
Interest Rate Swap Maturing April 2026 \| Derivatives Designated as Cash Flow Hedges \| Derivatives Designated as Cash Flow Hedges
Derivative [Line Items]
Derivative, number of instruments acquired \| derivative_instrument	2
Notional Amount		$ 200,000,000.0