Fair Value Measurements - Narrative (Details) - USD ($) $ in Thousands		1 Months Ended	12 Months Ended
	Dec. 30, 2017	Dec. 31, 2016	Dec. 31, 2021	Dec. 31, 2020
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Minimum booking commitments	$ 95,000
Bookings commitment period (years)	10 years
Bookings commitment annual minimum	$ 500
Booking commitments current annual accrual			$ 1,200	$ 1,200
Percentage of shortfall payable	70.00%
Commission percentage	30.00%
Bookings commitment, discounted liabilities, discount rate (in percentage)			11.00%
Convertible debt
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Face value of debt		$ 107,000
Period that must lapse prior to conversion for noteholder to receive interest make-whole payment		1 year
Threshold period used to compute interest payment		3 years
Convertible debt | Related party
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Face value of debt		$ 10,000
Minimum
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Bookings commitment, discounted liabilities, discount rate (in percentage)				10.00%
Maximum
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Bookings commitment, discounted liabilities, discount rate (in percentage)				11.00%
Derivative liability | Measurement input, discount rate
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Discount rate on converted debt (in percentage)		2.00%