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Property And Equipment | 12 Months Ended
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Dec. 31, 2020
Property And Equipment [Abstract] |
Property And Equipment | 9. PROPERTY AND EQUIPMENT The components of property and equipment are as follows (in thousands):
| December 31,
| 2020 |  | 2019
Plant equipment | $ | 940,363 |  | $ | 911,097
Buildings and improvements |  | 170,813 |  |  | 168,309
Land and improvements |  | 86,909 |  |  | 92,321
Railroad track and equipment |  | 34,637 |  |  | 34,404
Construction-in-progress |  | 48,378 |  |  | 60,262
Computer hardware and software |  | 20,477 |  |  | 19,368
Office furniture and equipment |  | 3,797 |  |  | 3,716
Leasehold improvements and other |  | 26,510 |  |  | 24,471
Total property and equipment |  | 1,331,884 |  |  | 1,313,948
Less: accumulated depreciation and amortization |  | (530,194) |  |  | (486,677)
Property and equipment, net | $ | 801,690 |  | $ | 827,271

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- Definition The entire disclosure for long-lived, physical asset used in normal conduct of business and not intended for resale. Includes, but is not limited to, work of art, historical treasure, and similar asset classified as collections. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 958 -SubTopic 360 -Section 50 -Paragraph 6 -URI http://asc.fasb.org/extlink&oid=120429125&loc=d3e99893-112916 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 360 -URI http://asc.fasb.org/topic&trid=2155823 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 958 -SubTopic 360 -Section 50 -Paragraph 7 -URI http://asc.fasb.org/extlink&oid=120429125&loc=SL120174063-112916 Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 958 -SubTopic 360 -Section 50 -Paragraph 1 -Subparagraph (d) -URI http://asc.fasb.org/extlink&oid=120429125&loc=d3e99779-112916 + Details
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