The aggregate unrecognized cost of equity-based awards expected to be recognized in the future.

No definition available.

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- Definition

Percentage of restricted stock units granted as result of meeting growth rates.

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- Definition

Share-based Compensation Arrangement by Share-based Payment Award incentive stock options outstanding number.

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No definition available.

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- Definition

The number of shares (or other type of equity) which are non-qualified options to purchase under the plan.

+ References

No definition available.

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- Definition

Share based compensation arrangement by share based payment award restricted stock options to purchase number of shares.

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No definition available.

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- Definition

Amount of cost to be recognized for option under share-based payment arrangement, due in the remainder of the fiscal year following the latest fiscal year.

+ References

No definition available.

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- Definition

Amount of cost to be recognized for option under share-based payment arrangement, due in the second fiscal year following the latest fiscal year.

+ 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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Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
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-Paragraph 1
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- Definition

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

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-Publisher FASB
-Name Accounting Standards Codification
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- Definition

Amount of tax benefit for recognition of expense of award under share-based payment arrangement.

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-Publisher FASB
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- Definition

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).

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

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- Definition

Number of shares authorized for issuance under share-based payment arrangement.

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- Definition

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

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Share-Based Payment Arrangements (Narrative) (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended		9 Months Ended		12 Months Ended
	Sep. 30, 2021	Sep. 30, 2020	Sep. 30, 2021	Sep. 30, 2020	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock options, Granted			0	0
Long Term Incentive Plan 2005 [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of incentive stock options outstanding			0
Share-based compensation arrangement by share-based payment award, non-qualified stock options to purchase number of shares			14,157
Long Term Incentive Plan 2015 [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based compensation arrangement by share-based payment award, number of shares authorized	2,000,000		2,000,000
Share-based compensation arrangement by share-based payment award, restricted stock options to purchase number of shares			84,744
Stock options, Granted			0
Long Term Incentive Plan 2005 and 2015 [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Unrecognized compensation cost related to non-vested share-based compensation arrangements	$ 0		$ 0
Restricted Stock Units (RSUs) [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Unrecognized compensation cost related to non-vested share-based compensation arrangements	200		200
Allocated share-based compensation expense (benefit)	4	$ 154	158	$ (416)
Income tax benefit (expense) of share-based payments recognized in income	1	$ 32	33	$ (88)
Employee Service Share-based Compensation Nonvested Awards, Total Compensation Cost Expected to Recognized			95
Remainder of 2021	48		48
2022	$ 47		$ 47
Restricted Stock Units (RSUs) [Member] \| Minimum [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Percentage of restricted stock units granted as result of meeting growth rates	50.00%		50.00%
Restricted Stock Units (RSUs) [Member] \| Maximum [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Percentage of restricted stock units granted as result of meeting growth rates	150.00%		150.00%
Restricted Stock Units (RSUs) [Member] \| Long Term Incentive Plan 2015 [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Other than options, grant date fair value					$ 18.10	$ 10.87	$ 10.20