The weighted average exercise price for non-option equity instruments.

No definition available.

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- Definition

Weighted average remaining contractual term for equity-based awards excluding options, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

+ References

+ Details

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- Definition

Number of equity instruments other than options outstanding, including both vested and non-vested instruments.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (c)(1)(i)
-URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (c)(1)(ii)
-URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901

+ Details

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- Definition

The floor of a customized range of exercise prices for purposes of disclosing shares potentially issuable under outstanding stock option awards on all stock option plans and other required information pertaining to awards in the customized range.

+ References

+ Details

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- Definition

The ceiling of a customized range of exercise prices for purposes of disclosing shares potentially issuable under outstanding stock option awards on all stock option plans and other required information pertaining to awards in the customized range.

+ References

+ Details

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- Details

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Note 12 - Share-based Compensation - Summary of Information About Stock Appreciation Rights Outstanding (Details) - $ / shares	12 Months Ended
	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
Lower Range of Exercise Prices on options (in dollars per share)	$ 3.82
Upper Range of Exercise Prices on options (in dollars per share)	18.66
Exercise Price Range 1 [Member]
Lower Range of Exercise Prices on options (in dollars per share)	3.82
Upper Range of Exercise Prices on options (in dollars per share)	5.55
Exercise Price Range 2 [Member]
Lower Range of Exercise Prices on options (in dollars per share)	5.65
Upper Range of Exercise Prices on options (in dollars per share)	7.36
Exercise Price Range 3 [Member]
Lower Range of Exercise Prices on options (in dollars per share)	7.96
Upper Range of Exercise Prices on options (in dollars per share)	$ 10.38
Stock Appreciation Rights (SARs) [Member]
SARS (in shares)	325,506	381,566	522,024
Weighted Average Exercise Price (in dollars per share)	$ 10.26	$ 8.14	$ 6.17
Stock Appreciation Rights (SARs) [Member] \| Exercise Price Range 1 [Member]
Lower Range of Exercise Prices on options (in dollars per share)	5.65
Upper Range of Exercise Prices on options (in dollars per share)	$ 7.36
SARS (in shares)	214,106
Weighted Average Remaining Contractual Life (Year)	1 year 200 days
Weighted Average Exercise Price (in dollars per share)	$ 6.51
Stock Appreciation Rights (SARs) [Member] \| Exercise Price Range 2 [Member]
Lower Range of Exercise Prices on options (in dollars per share)	16.35
Upper Range of Exercise Prices on options (in dollars per share)	$ 18.66
SARS (in shares)	111,400
Weighted Average Remaining Contractual Life (Year)	3 years 219 days
Weighted Average Exercise Price (in dollars per share)	$ 17.46
Stock Appreciation Rights (SARs) [Member] \| Exercise Price Range 3 [Member]
Lower Range of Exercise Prices on options (in dollars per share)	5.65
Upper Range of Exercise Prices on options (in dollars per share)	$ 18.66
SARS (in shares)	325,506
Weighted Average Remaining Contractual Life (Year)	2 years 94 days
Weighted Average Exercise Price (in dollars per share)	$ 10.26