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Note 15 - Fair Value Measurements - Change in Fair Value Measurement Impacts Net Income (Details) - Valuation, Market Approach [Member] - Current Reference Price [Member]	Dec. 31, 2020	Dec. 31, 2019
Interest Rate Contract [Member] | Minimum [Member]
Derivative asset (liability)	1.0191	1.0149
Derivative asset (liability)	(1.0191)	(1.0149)
Interest Rate Contract [Member] | Maximum [Member]
Derivative asset (liability)	1.0302	1.0206
Derivative asset (liability)	(1.0302)	(1.0206)
Forward Contract [Member] | Minimum [Member]
Derivative asset (liability)	1.0191	1.0149
Derivative asset (liability)	(1.0191)	(1.0149)
Forward Contract [Member] | Maximum [Member]
Derivative asset (liability)	1.0319	1.0328
Derivative asset (liability)	(1.0319)	(1.0328)

X

- Definition

Value of input used to measure net derivative asset (liability).

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 820
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (bbb)(2)
-URI http://asc.fasb.org/extlink&oid=117815213&loc=d3e19207-110258

+ Details

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Balance Type:	na
Period Type:	instant

X

- Details

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X

- Details

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- Details

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- Details

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- Details

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- Details

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