Summary of Significant Accounting Policies (Tables)

12 Months Ended

Dec. 31, 2021

Accounting Policies [Abstract]

Reconciliation of Cash and Restricted Cash

The reconciliation of cash and restricted cash is as follows:

	December 31,
	2021		2020
Reconciliation of cash and restricted cash:
Cash	$	92,494	$	65,622
Restricted cash	3,937		3,975
Total cash and restricted cash	$	96,431	$	69,597

Reconciliation of Cash and Restricted Cash

The reconciliation of cash and restricted cash is as follows:

	December 31,
	2021		2020
Reconciliation of cash and restricted cash:
Cash	$	92,494	$	65,622
Restricted cash	3,937		3,975
Total cash and restricted cash	$	96,431	$	69,597

Reconciliation of Allowance for Doubtful Accounts

A rollforward of the allowance for doubtful accounts is as follows:

	Balance at beginning of period		Charged to cost and expenses, net of recoveries		Write-offs		Balance at end of period
Year ended December 31, 2019	$	1,109	$	9,163	$	(8,417)	$	1,855
Year ended December 31, 2020	$	1,855	$	16,064	$	(13,547)	$	4,372
Year ended December 31, 2021	$	4,372	$	28,299	$	(26,423)	$	6,248

Summary of Useful Lives

The estimated useful lives of property and equipment are described below:

Property and Equipment	Useful Life
Computer, office and other equipment	5 years
Computer software	3 years
Furniture and fixtures	7 years
Leasehold improvements	Shorter of estimated useful life or remaining lease term

Property and equipment, net consists of the following:

	December 31,
	2021		2020
Computer, office and other equipment	$	659	$	407
Computer software	80		80
Furniture and fixtures	100		64
Leasehold improvements	238		142
	1,077		693
Less: accumulated depreciation	(501)		(363)
Property and equipment, net	$	576	$	330