Number of customers.

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Payable balance.

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Percentage of net accounts receivable from contract.

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Redeemable preferred stock investment noncurrent.

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Summary of Significant Accounting Policies [Line Items]

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Tax effects related to unrealized holding loss on available for sale debt securities.

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For an entity that discloses a concentration risk in relation to quantitative amount, which serves as the "benchmark" (or denominator) in the equation, this concept represents the concentration percentage derived from the division.

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Amount of revenue recognized that was previously included in balance of obligation to transfer good or service to customer for which consideration from customer has been received or is due.

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Amount of unrealized gain (loss) on investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).

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Amount after tax, before reclassification adjustments of gain (loss) on foreign currency translation adjustments, foreign currency transactions designated and effective as economic hedges of a net investment in a foreign entity and intra-entity foreign currency transactions that are of a long-term-investment nature.

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Date the preferred stock has been redeemed, in YYYY-MM-DD format.

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Amount of expense (reversal of expense) for expected credit loss on accounts receivable.

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Amount, after cash payment, of expenses associated with exit or disposal activities pursuant to an authorized plan. Excludes expenses related to a discontinued operation or an asset retirement obligation.

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Amount, excluding tax collected from customer, of revenue from satisfaction of performance obligation by transferring promised good or service to customer. Tax collected from customer is tax assessed by governmental authority that is both imposed on and concurrent with specific revenue-producing transaction, including, but not limited to, sales, use, value added and excise.

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Summary of Significant Accounting Policies - Additional Information (Details)	3 Months Ended		6 Months Ended		12 Months Ended
	Jun. 30, 2022 USD ($) Customer	Jun. 30, 2021 USD ($) Customer	Jun. 30, 2022 USD ($) Customer	Jun. 30, 2021 USD ($) Customer	Dec. 31, 2021 USD ($) Customer
Summary Of Significant Accounting Policies [Line Items]
Contract with customer liability, revenue recognized	$ 4,700,000	$ 1,700,000	$ 14,400,000	$ 25,500,000
Provision for credit losses for trade accounts receivable	7,200,000	2,200,000	18,734,000	3,259,000
Redeemable preferred stock investment	11,981,000		11,981,000		$ 21,965,000
Unrealized loss			$ 8,000,000.0
Preferred stock, redemption date			Jul. 31, 2027
Foreign currency translation (loss) gain	(1,878,000)	36,000	$ (1,755,000)	36,000
Tax effects related to unrealized holding loss on available-for-sale debt securities	1,300,000	0	5,800,000	0
Revenue	125,341,000	153,616,000	445,609,000	513,045,000
Restructuring costs	2,896,000		2,896,000
Accrued Liabilities
Summary Of Significant Accounting Policies [Line Items]
Restructuring costs, payable balance	2,700,000		2,700,000
Clinical Insurance Contracts \| HSRA COVID-19 Uninsured Program
Summary Of Significant Accounting Policies [Line Items]
Revenue	$ 0	$ 37,100,000	$ 106,700,000	$ 149,900,000
Insurance Customer
Summary Of Significant Accounting Policies [Line Items]
Percentage of net accounts receivable from contract	76.00%		76.00%		47.00%
Institutional Customer
Summary Of Significant Accounting Policies [Line Items]
Percentage of net accounts receivable from contract	24.00%		24.00%		53.00%
Customer Concentration Risk \| Revenue
Summary Of Significant Accounting Policies [Line Items]
Number of customers \| Customer	2	2	1	2
Customer Concentration Risk \| Revenue \| Customer One
Summary Of Significant Accounting Policies [Line Items]
Concentration risk, percentage	15.00%	20.00%	23.00%	24.00%
Customer Concentration Risk \| Revenue \| Customer Two
Summary Of Significant Accounting Policies [Line Items]
Concentration risk, percentage	12.00%	16.00%		11.00%
Minimum \| Customer Concentration Risk \| Accounts Receivable
Summary Of Significant Accounting Policies [Line Items]
Number of customers \| Customer			0		0
Concentration risk, percentage			10.00%		10.00%