The minimum internal rate of return percentage for share based compensation award.

No definition available.

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- Definition

The ratio for minimum cash-on-cash for investor investments.

+ References

No definition available.

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- Definition

The volume-weighted average price per share of common stock that must be exceeded for 60 consecutive days for share based payment award.

+ References

No definition available.

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- Definition

Amount of expense for award under share-based payment arrangement. Excludes amount capitalized.

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- Definition

Amount of cost not yet recognized for nonvested award under share-based payment arrangement.

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- Definition

Weighted-average period over which cost not yet recognized is expected to be recognized for award under share-based payment arrangement, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days.

+ References

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- Definition

Period over which grantee's right to exercise award under share-based payment arrangement is no longer contingent on satisfaction of service or performance condition, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days. Includes, but is not limited to, combination of market, performance or service condition.

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- Definition

Net number of share options (or share units) granted during the period.

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- Definition

Number of options outstanding, including both vested and non-vested options.

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- Definition

An excess of the fair value of the modified award over the fair value of the award immediately before the modification.

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- Definition

Percentage of vesting of award under share-based payment arrangement.

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- Definition

Ratio applied to the conversion of stock split, for example but not limited to, one share converted to two or two shares converted to one.

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Note 11 - Stock-based Compensation (Details Textual) $ / shares in Units, $ in Thousands		12 Months Ended
	Jan. 30, 2018	Dec. 31, 2019 USD ($) $ / shares shares	Dec. 31, 2018 USD ($) shares	Dec. 31, 2017 USD ($)
Stockholders' Equity Note, Stock Split, Conversion Ratio	1.5543
Share-based Payment Arrangement, Expense		$ 9,001	$ 10,933
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Net of Forfeitures, Total \| shares		0
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Number, Ending Balance \| shares		1,382,986	1,515,461
Share-based Payment Arrangement, Option [Member]
Share-based Payment Arrangement, Expense		$ 900	$ 8,500
Share-based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Amount, Total		$ 800
Share-based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Period for Recognition		1 year 328 days
Share-based Payment Arrangement, Option [Member] \| Share-based Payment Arrangement, Tranche A [Member] \| Maximum [Member] \| Long-term Incentive Plan [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Rights, Percentage		25.00%
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period		5 years
Share-based Payment Arrangement, Option [Member] \| Share-based Payment Arrangement, Tranche A [Member] \| Minimum [Member] \| Long-term Incentive Plan [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Rights, Percentage		20.00%
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period		4 years
Restricted Stock [Member]
Share-based Payment Arrangement, Expense		$ 8,100	$ 2,400
Share-based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Amount, Total		$ 11,900
Share-based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Period for Recognition		2 years 292 days
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period		4 years
Share-based Compensation Arrangement by Share-based Payment Award, Threshold Share Price \| $ / shares		$ 29.60
Restricted Stock [Member] \| On Each of First Four Anniversaries of Date of Grant [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Rights, Percentage		25.00%
Performance Shares [Member]
Share-based Payment Arrangement, Plan Modification, Incremental Cost		$ 2,900
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Number, Ending Balance \| shares		629,866
Performance Shares [Member] \| Share-based Payment Arrangement, Tranche B [Member] \| Long-term Incentive Plan [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Threshold, Internal Rate of Return Percentage		20.00%
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Threshold, Return on Investment Ratio		2.5
Share-based Compensation Arrangement by Share-based Payment Award, Threshold Share Price \| $ / shares		$ 19.11
Performance Shares [Member] \| Share-based Payment Arrangement, Tranche C [Member] \| Long-term Incentive Plan [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Threshold, Internal Rate of Return Percentage		25.00%
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Threshold, Return on Investment Ratio		3
Share-based Compensation Arrangement by Share-based Payment Award, Threshold Share Price \| $ / shares		$ 22.93