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Stock-based Compensation - Narrative (Details) | 9 Months Ended
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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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