| Recent Transactions - Debt Transactions - Additional Information (Detail) - USD ($) $ in Thousands | 9 Months Ended | |
|---|---|---|
| Sep. 30, 2020 | Apr. 07, 2020 | |
| Summary of Investments, Other than Investments in Related Parties, Reportable Data [Line Items] | ||
| Principal repurchased | $ 3,500 | |
| Cash paid | 3,400 | |
| Net gain | $ 49,000 | |
| Debt instrument, interest rate | 6.75% | |
| Asset Based Loan [Member] | Maximum [Member] | ||
| Summary of Investments, Other than Investments in Related Parties, Reportable Data [Line Items] | ||
| Debt instrument, basis spread on variable rate | 90.00% | |
| Asset Based Loan [Member] | Minimum [Member] | ||
| Summary of Investments, Other than Investments in Related Parties, Reportable Data [Line Items] | ||
| Debt instrument, basis spread on variable rate | 85.00% | 
| X | ||||||||||
| 
- Definition Advance rate on eligible accounts receivable. No definition available. 
 | 
| X | ||||||||||
| 
- References No definition available. 
 | 
| X | ||||||||||
| 
- Definition The average effective interest rate during the reporting period. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef 
 | 
| X | ||||||||||
| 
- Definition Fair value amount of debt instrument that was repurchased. No definition available. 
 | 
| X | ||||||||||
| 
- Definition Amount of gain (loss) from the difference between the repurchase price of a debt instrument initially issued by the entity and the net carrying amount of the debt at the time of its repurchase. No definition available. 
 | 
| X | ||||||||||
| 
- Definition The cash outflow to repay long-term debt that is wholly or partially secured by collateral. Excludes repayments of tax exempt secured debt. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef 
 | 
| X | ||||||||||
| 
- Details 
 | 
| X | ||||||||||
| 
- Details 
 | 
| X | ||||||||||
| 
- Details 
 |