Summary of Significant Accounting Policies and Recent Accounting Pronouncements - Additional Information (Detail) $ / shares in Units, $ in Thousands	12 Months Ended
	Dec. 31, 2021 USD ($) $ / shares	Dec. 31, 2020 USD ($) Segment	Dec. 31, 2019 USD ($)
Summary Of Significant Accounting Policies [Line Items]
Number of operating segments | Segment		1
Percentage of discount recognized on graded-vesting based on stock-based compensation expense over the purchase period	15.00%
Right of use assets	$ 45,531	$ 91,761
Operating lease liabilities	56,561
Net loss	(418,780)	$ (554,128)	$ (715,075)
ASU 2020-06 [Member]
Summary Of Significant Accounting Policies [Line Items]
Increase in convertible notes	96,800
Decrease in accumulated deficit	(60,200)
Decrease in additional paid-in-capital	(157,000)
Net loss	$ 22,400
Effect on diluted net earnings (loss) per share | $ / shares	$ 0.28
Employee Stock Purchase Plan [Member]
Summary Of Significant Accounting Policies [Line Items]
Percentage of closing price of common stock	85.00%
Patents [Member]
Summary Of Significant Accounting Policies [Line Items]
Initial term of patents	20 years
Outside of U.S. [Member] | Product Revenues [Member] | Customer One [Member]
Summary Of Significant Accounting Policies [Line Items]
Concentration of credit risk percentage	48.00%	47.00%	43.00%
Outside of U.S. [Member] | Product Revenues [Member] | Customer Two [Member]
Summary Of Significant Accounting Policies [Line Items]
Concentration of credit risk percentage	39.00%	39.00%	41.00%
Outside of U.S. [Member] | Product Revenues [Member] | Customer Three [Member]
Summary Of Significant Accounting Policies [Line Items]
Concentration of credit risk percentage	10.00%	11.00%	13.00%
Outside of U.S. [Member] | Accounts Receivable [Member] | Customer One [Member]
Summary Of Significant Accounting Policies [Line Items]
Concentration of credit risk percentage	41.00%	45.00%
Outside of U.S. [Member] | Accounts Receivable [Member] | Customer Two [Member]
Summary Of Significant Accounting Policies [Line Items]
Concentration of credit risk percentage	41.00%	41.00%
Outside of U.S. [Member] | Accounts Receivable [Member] | Customer Three [Member]
Summary Of Significant Accounting Policies [Line Items]
Concentration of credit risk percentage	10.00%	9.00%
Minimum [Member]
Summary Of Significant Accounting Policies [Line Items]
Accounts receivable payment term	60 days
Minimum [Member] | Outside of U.S. [Member]
Summary Of Significant Accounting Policies [Line Items]
Accounts receivable payment term	45 days
Maximum [Member]
Summary Of Significant Accounting Policies [Line Items]
Accounts receivable payment term	91 days
Maximum [Member] | Outside of U.S. [Member]
Summary Of Significant Accounting Policies [Line Items]
Accounts receivable payment term	150 days