Income Taxes - Carryforwards (Details) |
12 Months Ended |
|---|---|
|
Dec. 31, 2019
USD ($)
| |
| Increase in valuation allowance | $ 28,200,000 |
| Tax benefit related to acquisition of Trilogy | 17,500,000 |
| Income tax returns currently under examination | 0 |
| U.S. | |
| Operating loss carryforwards | 627,700,000 |
| Operating loss carryforward, subject to expiration | 265,000,000.0 |
| Operating loss carryforward, not subject to expiration | 362,700,000 |
| Foreign | |
| Operating loss carryforwards | $ 14,500,000 |