XML 50 R31.htm IDEA: XBRL DOCUMENT v3.20.4

Property, Plant and Equipment, net (Tables)

12 Months Ended

Dec. 31, 2020

Property, Plant and Equipment [Abstract]

Schedule of net property, plant and equipment

Net property, plant and equipment consists of:

			December 31,
			2020						2019
Machinery, equipment and tooling			$	29,002					$	19,683
SmartSystems			22,352						15,811
Vehicles			2,893						2,419
Furniture and fixtures			1,302						1,228
Plant and building			199,867						170,283
Real estate properties			6,458						4,946
Railroad and sidings			27,703						27,701
Land and land improvements			33,040						21,320
Asset retirement obligation			19,993						11,480
Mineral properties			7,442						7,442
Deferred mining costs			2,123						2,004
Construction in progress			7,489						9,208
			359,664						293,525
Less: accumulated depreciation and depletion			84,988						63,064
Total property, plant and equipment, net			$	274,676					$	230,461

X

- References

No definition available.

+ Details

Name:	us-gaap_PropertyPlantAndEquipmentAbstract
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Tabular disclosure of physical assets used in the normal conduct of business and not intended for resale. Includes, but is not limited to, balances by class of assets, depreciation and depletion expense and method used, including composite depreciation, and accumulated deprecation.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02(13))
-URI http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 360
-SubTopic 10
-Section 50
-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=6391035&loc=d3e2868-110229

+ Details

Name:	us-gaap_PropertyPlantAndEquipmentTextBlock
Namespace Prefix:	us-gaap_
Data Type:	nonnum:textBlockItemType
Balance Type:	na
Period Type:	duration