Summary of Significant Accounting Policies - Narrative (Details)	12 Months Ended
	Dec. 31, 2021 USD ($) reportingUnit segment	Dec. 31, 2020 USD ($)	Dec. 31, 2019 USD ($)
Significant Accounting Policies [Line Items]
Number of operating segments | segment	1
Cash and restricted cash	$ 65,946,000	$ 103,210,000	$ 14,018,000
Working capital	70,000,000
Cash burn rate	2,200,000
Amortization of deferred commission costs	$ 3,600,000	1,700,000
Software useful life	3 years
Number of reporting units | reportingUnit	1
Goodwill impairment loss	$ 0
Operating lease impairment loss	900,000
Gain (loss) related to change in fair value of contingent consideration	(1,300,000)	20,000.00
Common stock issued to settle contingent liability	1,443,000	0
Loss related to revaluation of warranty liabilities	0	(1,233,000)
Other expense, net
Significant Accounting Policies [Line Items]
Loss related to revaluation of warranty liabilities		1,200,000
Other accrued liabilities
Significant Accounting Policies [Line Items]
Contingent consideration	$ 400,000	$ 500,000
Initial Contracts
Significant Accounting Policies [Line Items]
Capitalized costs amortization period	6 years
Member Enrollments
Significant Accounting Policies [Line Items]
Capitalized costs amortization period	1 year
TIH
Significant Accounting Policies [Line Items]
Capitalized costs amortization period	5 years
CIH
Significant Accounting Policies [Line Items]
Capitalized costs amortization period	5 years
Minimum | TIH
Significant Accounting Policies [Line Items]
Foregoing costs, percent	10.00%
Maximum | TIH
Significant Accounting Policies [Line Items]
Foregoing costs, percent	15.00%