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Note 2 - Discontinued Operations (Details Textual) - Transport Financial Services [Member] - Discontinued Operations, Disposed of by Sale [Member] - USD ($) $ in Thousands	9 Months Ended	12 Months Ended
	Sep. 30, 2022	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021	Jul. 08, 2020
Disposal Group, Including Discontinued Operation, Accounts, Notes and Loans Receivable, Net					$ 103,300
Disposal Group Including Discontinued Operation Accounts Notes And Loans Receivable Gross					108,700
Disposal Group, Including Discontinued Operation, Allowance					$ 5,400
Discontinued Operation, Amount of Adjustment to Prior Period Gain (Loss) on Disposal, Net of Tax		$ 800	$ 1,000	$ 3,412
Cash Provided by (Used in) Operating Activities, Discontinued Operations	$ 0	1,700
Payments for Legal Settlements		$ 1,700

X

- Definition

Represents the disposal group, including discontinued operation accounts notes and loans receivable, gross.

+ References

No definition available.

+ Details

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X

- Definition

Amount of allowance on accounts receivable, attributable to disposal group held for sale or disposed of, classified as current.

+ References

No definition available.

+ Details

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X

- Definition

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

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Topic 230
-SubTopic 10
-Name Accounting Standards Codification
-Section 45
-Paragraph 24
-Publisher FASB
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- Definition

Amount after tax of an increase (decrease) to a gain (loss) previously reported in discontinued operations in a prior period.

+ References

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-Topic 205
-SubTopic 20
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-Subparagraph (b)(2)
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- Definition

Amount classified as accounts, notes and loans receivable attributable to disposal group held for sale or disposed of.

+ References

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-Paragraph 11
-Publisher FASB
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- Definition

The amount of cash paid for the settlement of litigation or for other legal issues during the period.

+ References

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-Name Accounting Standards Codification
-Section 45
-Paragraph 25
-Subparagraph (g)
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-Topic 230
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