Income Taxes - Schedule of Net Deferred Tax Assets (Liabilities) (Details) - USD ($) $ in Thousands	Dec. 31, 2019	Dec. 31, 2018
Deferred tax assets
Lease liability	$ 4,295	$ 278
AMT credit	9	11
Accrued expenses	2,837	2,057
Deferred revenue		549
Net operating loss carryforward	50,950	34,662
Other assets	6,967	2,343
Property and equipment		123
Intangible assets	2,416	836
Valuation allowance	(24,637)	(25,079)
Total net deferred tax assets	42,837	15,780
Deferred tax liabilities
Deferred commissions	(4,308)	(3,215)
Deferred revenue	(336)
Intangible assets	(7,948)	(7,295)
Property and equipment	(296)
Debt discount	(26,589)	(4,986)
Right-of-use asset	(3,909)
Deferred state taxes	(1,101)	(1,233)
Other	(352)
Total deferred tax liabilities	(44,839)	(16,729)
Total non-current deferred income tax liabilities	$ (2,002)	$ (949)