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Mergers and Divestitures (Tables) | 12 Months Ended
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Dec. 31, 2020
Business Combinations [Abstract] |
Summary of Unaudited Pro Forma Information | The following summarizes unaudited pro forma information that presents combined amounts as if the merger occurred at the beginning of 2017:
| Year Ended December 31, |
(in thousands, except per share amounts) | 2018 |
Net sales | $ | 1,013,242 |
Net earnings attributable to PotlatchDeltic common shareholders | $ | 145,685 |
Basic earnings per share attributable to PotlatchDeltic common shareholders | $ | 2.16 |
Diluted earnings per share attributable to PotlatchDeltic common shareholders | $ | 2.15 |

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- Definition Tabular disclosure of pro forma results of operations for a material business acquisition or series of individually immaterial business acquisitions that are material in the aggregate. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (h)(2) -URI http://asc.fasb.org/extlink&oid=79982066&loc=d3e1392-128463 Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (h)(3) -URI http://asc.fasb.org/extlink&oid=79982066&loc=d3e1392-128463 + Details
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