Pre tax compensation expense related to director fees, annual retainers, and deferred compensation amortization.

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- Definition

Weighted average purchase price of capital shares purchased through an employee stock purchase plan.

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- Definition

Number Of Directors

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- Definition

Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Options, Grants in Period, Aggregate Grant Date Market Value

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No definition available.

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- Definition

Share-Based Compensation Arrangement By Share-Based Payment Award, Equity Instruments Other Than Options, Granted In Period, Fair Value

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No definition available.

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- Definition

Share Based Compensation Arrangement By Share Based Payment Award, Options, Aggregate Grant Date Fair Value

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No definition available.

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- Definition

Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other Than Options, Grants in Period, Aggregate Grant Date Market Value

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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

Aggregate dividends declared during the period for each share of common stock outstanding.

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-Name Accounting Standards Codification
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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

Weighted average fair value as of the grant date of equity-based award plans other than stock (unit) option plans that were not exercised or put into effect as a result of the occurrence of a terminating event.

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- Definition

The number of grants made 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

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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).

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- Definition

The estimated dividend rate (a percentage of the share price) to be paid (expected dividends) to holders of the underlying shares over the option's term.

+ References

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- Definition

The estimated measure of the percentage by which a share price is expected to fluctuate during a period. Volatility also may be defined as a probability-weighted measure of the dispersion of returns about the mean. The volatility of a share price is the standard deviation of the continuously compounded rates of return on the share over a specified period. That is the same as the standard deviation of the differences in the natural logarithms of the stock prices plus dividends, if any, over the period.

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- Definition

The risk-free interest rate assumption that is used in valuing an option on its own shares.

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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

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

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No definition available.

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- Definition

Weighted average per share amount at which grantees can acquire shares of common stock by exercise of options.

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No definition available.

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- Definition

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

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- Definition

Expected term of 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

Number of shares issued during the period as a result of an employee stock purchase plan.

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Amount remaining of a stock repurchase plan authorized.

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No definition available.

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Stockholders' Equity (Narrative) (Details) $ / shares in Units, $ in Thousands				3 Months Ended					12 Months Ended
	Mar. 01, 2020 $ / shares	Feb. 19, 2020 USD ($) shares	Mar. 01, 2019 $ / shares	Jun. 30, 2021	Mar. 31, 2021 USD ($) director $ / shares shares	Dec. 31, 2020	Sep. 30, 2020	Mar. 31, 2020 USD ($) $ / shares shares	Dec. 31, 2020 shares
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Dividend yield					1.15%
Number Of Directors \| director					6
Directors compensation expense					$ 231			$ 201
Dividends declared per common share (in dollars per Share) \| $ / shares	$ 0.100		$ 0.075		$ 0.1000			$ 0.075
Stock Repurchase Program, Remaining Authorized Repurchase Amount					$ 25,600
Stock Issued During Period, Shares, Employee Stock Purchase Plans \| shares					18,182			26,294
Employee Stock Purchase Plan Weighted Average Purchase Price Of Shares Purchased (in USD per share) \| $ / shares					$ 26.32			$ 13.73
Expected holding period (years)					5 years
Restricted Stock Units (RSUs) [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period \| shares					9,300			10,200
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other Than Options, Grants in Period, Aggregate Grant Date Market Value					$ 324			$ 255
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period, Weighted Average Grant Date Fair Value \| $ / shares					$ 34.79			$ 25.00
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period					3 years
ESPP
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Dividend yield					0.01%
Share-based compensation expense					$ 206			$ 163
Expected volatility					48.14%
Risk-free interest rate					0.10%	0.09%	0.09%
Expected holding period (years)					9 months	6 months	3 months
ESPP \| Forecast
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Risk-free interest rate				0.10%
Expected holding period (years)				1 year
Restricted Stock
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based compensation expense					$ 121			184
Stock Options
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Rights, Percentage					33.00%
Share-based compensation expense					$ 560			$ 215
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period					5 years
Stock Options \| Monte-Carlo Pricing Model
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Gross \| shares					150,000
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Options, Grants in Period, Aggregate Grant Date Market Value					$ 1,700
Share price at grant date \| $ / shares					$ 34.79
Stock Options \| Maximum [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period					10 years
Performance Shares [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period \| shares		237,500			27,948				368,921
Share-Based Compensation Arrangement By Share-Based Payment Award, Equity Instruments Other Than Options, Granted In Period, Fair Value		$ 2,800
Director [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Gross \| shares					5,040			8,821
Share Based Compensation Arrangement By Share Based Payment Award, Options, Aggregate Grant Date Fair Value					$ 177			$ 147
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Forfeitures, Weighted Average Grant Date Fair Value \| $ / shares					$ 35.19			$ 16.15
Officers And Key Employees [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Directors compensation expense					$ 237			$ 121