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- Definition

The number of shares into which fully or partially vested stock options outstanding as of the balance sheet date can be currently converted under the option plan.

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- Definition

The weighted-average price as of the balance sheet date at which grantees can acquire the shares reserved for issuance on vested portions of options outstanding and currently exercisable under the stock option plan.

+ References

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- Definition

Number of options or other stock instruments for which the right to exercise has lapsed under the terms of the plan agreements.

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- Definition

The number of shares under options that were cancelled during the reporting period as a result of occurrence of a terminating event specified in contractual agreements pertaining to the stock option plan.

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- Definition

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

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Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
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- Definition

A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period.

+ References

No definition available.

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- Definition

Weighted average price at which grantees can acquire the shares reserved for issuance under the stock option plan.

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No definition available.

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- Definition

Weighted average price at which option holders acquired shares when converting their stock options into shares.

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No definition available.

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- Definition

Weighted average price at which grantees could have acquired the underlying shares with respect to stock options of the plan that expired.

+ References

No definition available.

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- Definition

Weighted average price at which grantees could have acquired the underlying shares with respect to stock options that were terminated.

+ References

No definition available.

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- Definition

Weighted average remaining contractual term for vested portions of options outstanding and currently exercisable or convertible, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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- Definition

Weighted average remaining contractual term for option awards outstanding, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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- Definition

Number of share options (or share units) exercised during the current period.

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Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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-Name Accounting Standards Codification
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Share-Based Compensation - Stock Options Activity (Details) - $ / shares	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Stock Options Outstanding [Roll Forward]
Exercised (shares)	(118,485)
Forfeited (shares)	(151,442)
Expired (shares)	(253,988)
Weighted-Average Exercise Price of Stock Options Outstanding [Roll Forward]
Exercised (USD per share)	$ 11.80
Forfeited (USD per share)	14.40
Expired (USD per share)	$ 20.76
Stock options \| Incentive Plans
Stock Options Outstanding [Roll Forward]
Outstanding at beginning of period (shares)	912,901
Exercised (shares)		0	0
Outstanding at end of period (shares)	388,986	912,901
Exercisable at end of period (shares)	388,986
Weighted-Average Exercise Price of Stock Options Outstanding [Roll Forward]
Outstanding at beginning of period (USD per share)	$ 16.09
Outstanding at end of period (USD per share)	15.00	$ 16.09
Exercisable - end of year	$ 15.00
Stock Options, Additional Disclosures [Abstract]
Weighted average contractual life - stock options outstanding	1 year 8 months 12 days	1 year 9 months 18 days
Weighted average contractual life - stock options exercisable	1 year 8 months 12 days