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Note 13 - Share-based Compensation - RSU and PSA Activity (Details) - Restricted Stock Units and Performance Stock Awards [Member]

12 Months Ended

Dec. 31, 2020

$ / shares

shares

Unvested RSUs and PSAs (in shares) | shares

85,170

^[1]

Unvested RSUs and PSAs, weighted average grant date fair value (in dollars per share) | $ / shares

$ 23.56

RSUs and PSAs granted (in shares) | shares

97,834

^[1]

RSUs and PSAs granted, weighted average grant date fair value (in dollars per share) | $ / shares

$ 26.61

Unvested RSUs and PSAs canceled (in shares) | shares

(3,752)

^[1]

Unvested RSUs and PSAs canceled, weighted average grant date fair value (in dollars per share) | $ / shares

$ 23.56

RSUs and PSAs vested (2) (in shares) | shares

(49,680)

^[1],[2]

RSUs and PSAs vested (2) (in dollars per share) | $ / shares

$ 23.56

^[2]

Unvested RSUs and PSAs (in shares) | shares

129,572

^[1]

Unvested RSUs and PSAs, weighted average grant date fair value (in dollars per share) | $ / shares

$ 25.86

[1]	The number of PSAs disclosed in this table are at the target level of 100%.
[2]	For the PSAs vested on March 31, 2020; the actual number of common shares that were issued was determined by multiplying the PSAs by a payout percentage of 136%, based on the performance-based conditions achieved.

X

- Definition

The number of equity-based payment instruments, excluding stock (or unit) options, that were forfeited during the reporting period.

+ References

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (c)(1)(iv)(3)
-URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901

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X

- Definition

Weighted average fair value as of the grant date of equity-based award plans other than stock (unit) option plans that were not exercised or put into effect as a result of the occurrence of a terminating event.

+ References

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (c)(2)(iii)(3)
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The number of grants made during the period on other than stock (or unit) option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, performance target plan).

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The weighted average fair value at grant date for nonvested equity-based awards issued during the period on other than stock (or unit) option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, performance target plan).

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The number of non-vested equity-based payment instruments, excluding stock (or unit) options, that validly exist and are outstanding as of the balance sheet date.

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- Definition

Per share or unit weighted-average fair value of nonvested award under share-based payment arrangement. Excludes share and unit options.

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The weighted average fair value as of grant date pertaining to an equity-based award plan other than a stock (or unit) option plan for which the grantee gained the right during the reporting period, by satisfying service and performance requirements, to receive or retain shares or units, other instruments, or cash in accordance with the terms of the arrangement.

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