Loss Per Common Share (Details) - USD ($) $ in Thousands |
3 Months Ended | 6 Months Ended | ||
|---|---|---|---|---|
Jun. 30, 2018 |
Jun. 30, 2017 |
Jun. 30, 2018 |
Jun. 30, 2017 |
|
| Undeclared preferred dividends | $ 24,807 | |||
| Common shares | ||||
| Shares with anti-dilutive effect, not included in calculation of earnings per share | 7,014,824 | 5,136,726 | 6,633,967 | 5,163,035 |
| Convertible Preferred Stock | ||||
| Shares with anti-dilutive effect, not included in calculation of earnings per share | 3,499,000 | 5,625,370 | 3,499,000 | 5,625,370 |