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Note 15 - Consolidated Condensed Statements of Cash Flows Reclassifications (Details Textual) - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2020	Sep. 30, 2019
Net Cash Provided by (Used in) Operating Activities, Total	$ 154,707	$ 122,021
Net Cash Provided by (Used in) Investing Activities, Total	$ (93,748)	(98,489)
Reclassification Of Tires In Service Amortization And Operating Leases [Member]
Net Cash Provided by (Used in) Operating Activities, Total		2,400
Net Cash Provided by (Used in) Investing Activities, Total		$ (2,400)

X

- Definition

Amount of cash inflow (outflow) from investing activities, including discontinued operations. Investing activity cash flows include making and collecting loans and acquiring and disposing of debt or equity instruments and property, plant, and equipment and other productive assets.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 24
-URI http://asc.fasb.org/extlink&oid=121586364&loc=d3e3521-108585

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X

- Definition

Amount of cash inflow (outflow) from operating activities, including discontinued operations. Operating activity cash flows include transactions, adjustments, and changes in value not defined as investing or financing activities.

+ References

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
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