CONSOLIDATED STATEMENTS OF STOCKHOLDERS EQUITY (DEFICIT) (Parenthetical) - $ / shares |
12 Months Ended | |
|---|---|---|
Feb. 26, 2020 |
Dec. 31, 2020 |
|
| Cash dividend declared (in dollars per share) | $ 0.015 | |
| Class A common stock | ||
| Cash dividend declared (in dollars per share) | $ 0.015 | |
| Class B common stock | ||
| Cash dividend declared (in dollars per share) | 0.015 | |
| Depository Shares of AMC Preferred Equity | ||
| Price per share (in dollars per share) | $ 0.015 |