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Note 6 - Valuation Accounts - Allowance for Accounts Receivable (Details) $ in Thousands | 12 Months Ended
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Dec. 31, 2021 USD ($)
Balance | $ 1,605
Current period provision | 2,404
Balance | 1,590
Write offs against allowance, net of recoveries | (2,419)
Commercial Vehicle Receivables [Member] |
Balance | 172
Current period provision | (96)
Balance | 76
Manufacturers' Receivables [Member] |
Balance | 136
Current period provision | 1,158
Balance | 419
Write offs against allowance, net of recoveries | (875)
Leasing, Parts and Service Receivables [Member] |
Balance | 1,278
Current period provision | 1,335
Balance | 1,069
Write offs against allowance, net of recoveries | (1,544)
Other Receivables [Member] |
Balance | 19
Current period provision | 7
Balance | $ 26

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- Definition Amount of allowance for credit loss on accounts receivable, classified as current. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(4) -URI http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 4 -URI http://asc.fasb.org/extlink&oid=123577603&loc=d3e5074-111524 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 326 -SubTopic 20 -Section 45 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=124255206&loc=SL82895884-210446 + Details
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Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

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- Definition Amount of direct write-downs of accounts receivable charged against the allowance. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 326 -SubTopic 20 -Section 50 -Paragraph 13 -Subparagraph (d) -URI http://asc.fasb.org/extlink&oid=124255953&loc=SL82919249-210447 + Details
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Balance Type: | debit
Period Type: | duration

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- Definition Amount of expense (reversal of expense) for expected credit loss on accounts receivable. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 326 -SubTopic 20 -Section 50 -Paragraph 13 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=124255953&loc=SL82919249-210447 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03(5)) -URI http://asc.fasb.org/extlink&oid=123367319&loc=SL114868664-224227 + Details
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Balance Type: | debit
Period Type: | duration

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- Details
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Namespace Prefix: |
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- Details
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- Details
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Namespace Prefix: |
Data Type: | na
Balance Type: |
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X
- Details
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Balance Type: |
Period Type: |