Income Taxes - Additional Information (Details) - USD ($) $ in Thousands		12 Months Ended
	Nov. 30, 2020	Dec. 31, 2020	Dec. 31, 2019
Income Tax Disclosure [Abstract]
Cancellation of debt excluded from taxable income	$ 181,900
Operating Loss carryforward expired	$ 46,600
Operating loss carryforwards		$ 24,700
Operating loss carryforward, subject to expiration		10,000
Operating loss carryforward, not subject to expiration		14,700
Valuation allowance		37,549	$ 8,876
Increase (decrease) in valuation allowance		$ 28,700