Convertible Notes and Long-Term Debt - Type (Details) - USD ($) |
Dec. 31, 2020 |
Dec. 31, 2019 |
|---|---|---|
| Paycheck Protection Program Term Note | ||
| Debt Instrument [Line Items] | ||
| Long-term debt, gross | $ 1,411,000 | $ 0 |
| Less current portion | (1,411,000) | 0 |
| Other long-term liabilities | 0 | 0 |
| Convertible Notes | ||
| Debt Instrument [Line Items] | ||
| Long-term debt, gross | 197,700,000 | 39,020,000 |
| Less current portion | 0 | (19,620,000) |
| Other long-term liabilities | $ 197,700,000 | $ 19,400,000 |
| X | ||||||||||
- Definition Amount, before unamortized (discount) premium and debt issuance costs, of long-term debt. Includes, but is not limited to, notes payable, bonds payable, commercial loans, mortgage loans, convertible debt, subordinated debt and other types of debt. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
|
| X | ||||||||||
- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. No definition available.
|
| X | ||||||||||
- Definition Amount after unamortized (discount) premium and debt issuance costs of long-term debt classified as noncurrent and excluding amounts to be repaid within one year or the normal operating cycle, if longer. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
|
| X | ||||||||||
- Definition Amount of long-term debt classified as other, payable within one year or the operating cycle, if longer. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
|
| X | ||||||||||
- Details
|
| X | ||||||||||
- Details
|