Fair Value Measurements - Schedule of Valuation Assumptions used in Determining Fair Value (Details) - Convertible Debt - Level 3 - 3.00% / 5.00% Convertible Senior Secured PIK Toggle Notes Due August 31, 2024	Jun. 30, 2020
Risk-free interest rate
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Measurement inputs (as a percent)	0.0024
Credit spread
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Measurement inputs (as a percent)	0.0947
PIK premium spread
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Measurement inputs (as a percent)	0.0200
Volatility
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Measurement inputs (as a percent)	0.5000