Income Taxes - Schedule of Federal Deferred Tax Assets and Deferred Tax Liabilities (Details) - USD ($) $ in Thousands	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Deferred tax assets:
Net operating loss carryforwards	$ 141,930	$ 78,651
Foreign tax credit	1,222	1,222
R&D tax credit	1,761	0
Original issue discount	13,530	16,464
Interest	4,188	1,986
Operating lease liability	3,145	5,150
Accounts payable and accrued expenses	7,010	7,289
Non-cash compensation	13,591	7,401
Intangibles amortization	0	3,620
Allowance for doubtful accounts	1,280	954
Total deferred tax assets	187,657	122,737
Less valuation allowance	(107,061)	(55,357)	$ (48,500)
Deferred tax assets, net of valuation allowance	80,596	67,380
Deferred tax liabilities:
Property and equipment	(12,586)	(10,048)
Intangibles amortization	(15,361)	0
Goodwill amortization and contingent earn-out adjustments	(6,165)	(5,294)
Convertible notes issuance	(41,666)	(49,118)
Operating lease right of use asset	(1,833)	(2,511)
Total deferred tax liabilities	(77,611)	(66,971)
Net deferred tax assets (liabilities)	$ 2,985	$ 409