Common Stock, Holders Percentage of Total Outstanding

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- Definition

Common Stock, Number of Votes

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- Definition

hare-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Incremental Expense

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- Definition

Share-based Compensation Arrangement by Share-based Payment Award, Non-Option Equity Instruments, Performance Award Target Acheivement, Lower Range, Percentage

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No definition available.

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- Definition

Level of Performance Award Achievement, Target

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Share-based Compensation Arrangement by Share-based Payment Award, Non-Option Equity Instruments, Performance Award Target Acheivement, Upper Range, Percentage

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- Definition

Share-based Compensation Arrangement by Share-based Payment Award, Number of Share Awards Underlying from 2003 Plan

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- Definition

Share-based Compensation Arrangement by Share-based Payment Award, Treasury Stock, Shares, Acquired

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- Definition

Face amount or stated value per share of common stock.

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
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- Definition

Number of shares of common stock outstanding. Common stock represent the ownership interest in a corporation.

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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.

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- Definition

The cash outflow to reacquire common stock during the period.

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- Definition

Estimated period over which an employee is required to provide service in exchange for the equity-based payment award, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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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

The net total number of shares (or other type of equity) under an equity-based award plan, other than a stock option plan, that were granted, vested and forfeited during the reporting period.

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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.

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- Definition

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

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

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- Definition

Period from grant date that an equity-based award expires, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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Equity Compensation - Narrative (Details)	12 Months Ended
Equity Compensation - Narrative (Details)	Dec. 31, 2021 USD ($) votes $ / shares shares	Dec. 31, 2020 USD ($) shares	Dec. 31, 2019 USD ($) shares
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Common stock par value (in dollars per share) \| $ / shares	$ 0.25
Stock option related treasury stock, shares acquired	213,000	231,000	112,000
Payments for Repurchase of Common Stock \| $	$ 1,754,000	$ 1,707,000	$ 894,000
Stock Options
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Payments for Repurchase of Common Stock \| $	$ 1,754,000	1,707,000	$ 894,000
Expiration period	10 years
Restricted stock and restricted stock units
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Decrease of shares available for grant due to award activity	1,816,618
Performance shares and performance share units
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based Compensation Arrangement by Share-based Payment Award, Award Requisite Service Period	3 years
Decrease of shares available for grant due to award activity	2,671,108
Performance achievement level, lower range	0.00%
Share-based Compensation Arrangement by Share-based Payment Award, Non-Option Equity Instruments, Performance Award Target Acheivement, Upper Range, Percentage	150.00%
Performance achievement level, target range	100.00%
hare-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Incremental Expense \| $		$ 605,000
Restricted Stock and Restricted Stock Units (RSUs) [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Award vesting period	3 years
2018 Plan
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of shares authorized	3,475,496
Share-based Compensation Arrangement by Share-based Payment Award, Number of Additional Shares Authorized	2,500,000
2013 Plan
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of shares authorized		3,540,534	3,851,945
Share-based Compensation Arrangement by Share-based Payment Award, Number of Share Awards Underlying from 2003 Plan	802,637
Weighted Average \| Performance shares and performance share units
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Unrecognized compensation expense, period for recognition	3 years
Class B Common Shares
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Ratio of votes per share of Class B common stock to common stock \| votes	10
Common Stock, Shares, Outstanding	3,667
Common Stock
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Common Stock, Holders Percentage of Total Outstanding	99.90%