Fair Value Measurements - Narrative (Details) - USD ($)			1 Months Ended	3 Months Ended	12 Months Ended
	Dec. 30, 2017	Dec. 21, 2016	Dec. 31, 2016	Mar. 31, 2020	Dec. 31, 2019
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Minimum booking commitments	$ 95,000
Bookings commitment period	10 years
Percentage of shortfall payable	70.00%
Commission percentage	30.00%
Sensitivity analysis, adverse change in discount rate				2.00%
Impact of adverse change in discount rate				$ 2,633,000
Convertible Debt
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Face value of debt		$ 107,000,000	$ 107,000,000	107,000,000	$ 107,000,000
Period to lapse to trigger interest make-whole feature			1 year
Threshold period used to compute interest payment			3 years
Convertible Debt | Measurement Input, Discount Rate
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Discount rate		2.00%
Convertible Debt | Convertible Debt, Related Party
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Face value of debt			$ 10,000	$ 10,000,000	$ 10,000,000
Minimum
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Cost of debt range used for discounting				18.00%	15.00%
Maximum
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Cost of debt range used for discounting				21.00%	17.00%
Derivative Financial Instruments, Liabilities | Measurement Input, Discount Rate
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Discount rate			2.00%