Significant Accounting Policies - Revenue as a Percentage of Total Revenue and Accounts Receivable as a Percentage of Total Accounts Receivable for Each Significant Customer (Details) - Customer Concentration Risk	3 Months Ended		12 Months Ended
	Mar. 31, 2022	Mar. 31, 2021	Dec. 31, 2021
Customer A | Accounts Receivable
Concentration Risk [Line Items]
Concentration risk, percentage	33.00%
Customer A | Revenue
Concentration Risk [Line Items]
Concentration risk, percentage	22.00%	36.00%
Customer B | Revenue
Concentration Risk [Line Items]
Concentration risk, percentage		11.00%
Customer C | Accounts Receivable
Concentration Risk [Line Items]
Concentration risk, percentage			15.00%
Customer D | Accounts Receivable
Concentration Risk [Line Items]
Concentration risk, percentage	16.00%
Customer D | Revenue
Concentration Risk [Line Items]
Concentration risk, percentage	18.00%