Consolidated Balance Sheets (Parenthetical) - USD ($) $ in Thousands |
Dec. 31, 2021 |
Dec. 31, 2020 |
|---|---|---|
| Current Assets: | ||
| Allowance for doubtful accounts | $ 19,874 | $ 22,691 |
| Deferred financing costs, current | 1,635 | 920 |
| Deferred financing costs, noncurrent | $ 261 | $ 1,062 |
| Stockholders' Equity: | ||
| Preferred stock, par value (in dollars per share) | $ 0.10 | $ 0.10 |
| Preferred stock, shares authorized | 500,000 | 500,000 |
| Preferred stock, shares issued | 0 | 0 |
| Preferred stock, shares outstanding | 0 | 0 |
| Series Y preferred stock, par value (in dollars per share) | $ 0.10 | $ 0.10 |
| Series Y preferred stock, shares authorized | 350,000 | 350,000 |
| Series Y preferred stock, shares issued | 0 | 0 |
| Series Y preferred stock, shares outstanding | 0 | 0 |
| Common stock, par value (in dollars per share) | $ 0.10 | $ 0.10 |
| Common stock, shares authorized | 220,000,000 | 220,000,000 |
| Common stock, shares issued | 30,683,393 | 30,515,334 |
| Common stock, shares outstanding | 30,683,393 | 30,515,334 |