Stock-Based Compensation Restricted Stock Awards (Details) - 2015 Plan [Member] |
12 Months Ended |
|---|---|
|
Dec. 31, 2015
$ / shares
shares
| |
| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] | |
| Restricted stock awards at December 31, 2014, in shares | shares | 0 |
| Granted, in shares | shares | 46,750 |
| Vested, in shares | shares | 46,750 |
| Forfeited, in shares | shares | 0 |
| Restricted stock awards at December 31, 2015, in shares | shares | 0 |
| Restricted stock awards at December 31, 2014, in dollars per share | $ / shares | $ 0.00 |
| Granted, in dollars per share | $ / shares | 20.00 |
| Vested, in dollars per share | $ / shares | 20.00 |
| Forfeited, in dollars per share | $ / shares | 0.00 |
| Restricted stock awards at December 31, 2015, in dollars per share | $ / shares | $ 0.00 |