Stock-based Compensation - Narrative (Details)	9 Months Ended
Nov. 30, 2020 USD ($) share_based_compensation_plan shares	Nov. 30, 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 \| $	$ 10,100,000
Unrecognized compensation cost, period for recognition	1 year 10 months 28 days
Restricted Stock
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Vesting ratably term	3 years
Performance Shares
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Vesting ratably term	3 years
Performance Shares \| Minimum \| Initial Vesting Period
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Vesting rights percentage	0.00%
Performance Shares \| Minimum \| Vesting Period Thereafter
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Vesting rights percentage	0.00%
Performance Shares \| Maximum \| Initial Vesting Period
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Vesting rights percentage	250.00%
Performance Shares \| Maximum \| Vesting Period Thereafter
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Vesting rights percentage	200.00%
Stock Appreciation Rights (SARs)
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	3 months 14 days
Aggregate remaining intrinsic value \| $	$ 0
Employee Stock
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)	58,107	51,438
2014 Long Term Incentive Plan
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Shares authorized (shares)	1,500,000
2005 Long Term Incentive Plan
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Shares authorized (shares)	49,000

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Number Of Share-Based Compensation Plans

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Term of offering under stock purchase plan.

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

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

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