Stock-Based Compensation - Narrative (Details) - USD ($)
$ in Thousands |
|
3 Months Ended |
9 Months Ended |
|
Mar. 04, 2013 |
Sep. 30, 2015 |
Sep. 30, 2014 |
Sep. 30, 2015 |
Sep. 30, 2014 |
Jul. 27, 2015 |
| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
|
|
|
|
|
|
| Grants of ISO and non-qualified stock options (in shares) |
|
|
|
110,825
|
|
|
| Exercise of stock options (shares) |
|
|
|
334,439
|
|
|
| Income tax benefit from exercise of stock options |
|
|
|
$ 1,551
|
$ 0
|
|
| Selling, general and administrative expenses |
|
|
|
|
|
|
| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
|
|
|
|
|
|
| Stock-based compensation costs charged to operations |
|
$ 2,000
|
$ 500
|
$ 2,900
|
$ 1,400
|
|
| Amended Plan |
|
|
|
|
|
|
| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
|
|
|
|
|
|
| Increase in the maximum number of shares available under the Plan |
210,000
|
|
|
|
|
|
| New maximum number of shares available under the Plan |
14,242,061
|
|
|
|
|
|
| Number of shares reserved under the Plan |
|
5,230,642
|
|
5,230,642
|
|
|
| Maximum number of shares available for grant under the Plan |
|
4,179
|
|
4,179
|
|
|
| Grants of ISO and non-qualified stock options (in shares) |
|
103,950
|
|
103,950
|
|
|
| 2015 Plan |
|
|
|
|
|
|
| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
|
|
|
|
|
|
| Granted (shares) |
|
46,750
|
|
46,750
|
|
|
| New maximum number of shares available under the Plan |
|
|
|
|
|
8,400,000
|
| Maximum number of shares available for grant under the Plan |
|
8,346,375
|
|
8,346,375
|
|
|
| Grants of ISO and non-qualified stock options (in shares) |
|
6,875
|
|
6,875
|
|
|
| Grants of restricted stock awards (in shares) |
|
|
|
46,750
|
|
|
| Restricted Stock | Selling, general and administrative expenses |
|
|
|
|
|
|
| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
|
|
|
|
|
|
| Stock-based compensation costs charged to operations |
|
$ 935
|
|
|
|
|
| Common stock |
|
|
|
|
|
|
| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
|
|
|
|
|
|
| Stock-based compensation costs charged to operations |
|
$ 609
|
|
|
|
|