Stock-based Compensation - Narrative (Details)	6 Months Ended
Aug. 31, 2020 USD ($) share_based_compensation_plan shares	Aug. 31, 2019 shares
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of share-based compensation plans \| share_based_compensation_plan	2
Unrecognized compensation cost \| $	$ 10,900,000
Unrecognized compensation cost, period for recognition	1 year 7 months 17 days
Restricted Stock [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Vesting ratably term	3 years
Performance Shares [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Vesting ratably term	3 years
Performance Shares [Member] \| Minimum [Member] \| Initial Vesting Period [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Vesting rights percentage	0.00%
Performance Shares [Member] \| Minimum [Member] \| Vesting Period Thereafter [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Vesting rights percentage	0.00%
Performance Shares [Member] \| Maximum [Member] \| Initial Vesting Period [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Vesting rights percentage	250.00%
Performance Shares [Member] \| Maximum [Member] \| Vesting Period Thereafter [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Vesting rights percentage	200.00%
Stock Appreciation Rights (SARs) [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Vesting ratably term	3 years
Contractual term of awards	7 years
Weighted average remaining contractual term of options, exercisable	4 months 17 days
Aggregate remaining intrinsic value \| $	$ 0
Employee Stock [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Term of offering under stock purchase plan	24 months
Granted option lower than	85.00%
Restricted common stock under plan \| $	$ 25,000
Common stock purchased during period (shares)	5,000
Common stock issued under employee stock purchase plan (shares)	58,080	51,438
2014 Long Term Incentive Plan [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Shares authorized (shares)	1,500,000
Share for future issuance (shares)	1,200,000
2005 Long Term Incentive Plan [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Shares authorized (shares)	100,000

Maximum value of common stock participants have rights to purchase.

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- Definition

Number Of Share-Based Compensation Plans

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Term of offering under stock purchase plan.

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- Definition

Aggregate number of common shares reserved for future issuance.

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-Name Accounting Standards Codification
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- Definition

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

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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

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

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

The highest quantity of shares an employee can purchase under the plan per period.

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- Definition

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

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- Definition

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

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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

Amount of difference between fair value of the underlying shares reserved for issuance and exercise price of vested portions of options outstanding and currently exercisable.

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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

Purchase price of common stock expressed as a percentage of its fair value.

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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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