Shareholders' Equity - Additional Information (Detail) |
3 Months Ended | 91 Months Ended | |
|---|---|---|---|
|
May 31, 2016
USD ($)
|
May 31, 2016
USD ($)
|
May 31, 2016
USD ($)
$ / shares
shares
|
|
| Statement of Stockholders' Equity [Abstract] | |||
| Repurchase of common stock through a stock repurchase program | $ 20,000,000 | $ 20,000,000 | $ 20,000,000 |
| Common stock shares repurchased | shares | 718,511 | ||
| Common stock average price, repurchased | $ / shares | $ 13.74 | ||
| Total amount available to repurchase of shares | $ 10,100,000 | ||
| Repurchase of common stock | $ 0 |