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COMMITMENTS | 12 Months Ended
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Dec. 31, 2020
Commitments and Contingencies Disclosure [Abstract] |
COMMITMENTS | COMMITMENTS At December 31, 2020, the future minimum payments under non-cancellable commitments were as follows:
| Environmental Remediation (a) |  | Development Projects (b) |  |  |  | Commitments (c) |  | Total
2021 | $1,026 |  |  | $10,723 |  |  |  |  | $14,341 |  |  | $26,090 |
2022 | 1,864 |  |  | 267 |  |  |  |  | 17,232 |  |  | 19,363 |
2023 | 1,853 |  |  | 267 |  |  |  |  | 17,996 |  |  | 20,116 |
2024 | 1,853 |  |  | 267 |  |  |  |  | 15,228 |  |  | 17,348 |
2025 | 2,338 |  |  | 267 |  |  |  |  | 10,303 |  |  | 12,908 |
Thereafter | 2,706 |  |  | 3,899 |  |  |  |  | 29,171 |  |  | 35,776 |
| $11,640 |  |  | $15,690 |  |  |  |  | $104,271 |  |  | $131,601 |
(a)Environmental remediation represents our estimate of potential liability associated with environmental contamination and Natural Resource Damages (NRD) in Port Gamble, Washington. See Note 13 - Environmental and Natural Resource Damage Liabilities for additional information. (b)Primarily consisting of payments expected to be made on our Wildlight, Richmond Hill and West Puget Sound development projects. (c)Commitments include payments expected to be made on derivative financial instruments (interest rate swaps and forward-starting interest rate swaps), timberland deeds and other purchase obligations.

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- Definition The entire disclosure for significant arrangements with third parties, which includes operating lease arrangements and arrangements in which the entity has agreed to expend funds to procure goods or services, or has agreed to commit resources to supply goods or services, and operating lease arrangements. Descriptions may include identification of the specific goods and services, period of time covered, minimum quantities and amounts, and cancellation rights. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 440 -URI http://asc.fasb.org/topic&trid=2144648 + Details
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