CONDENSED CONSOLIDATED STATEMENTS OF CHANGES IN STOCKHOLDERS' EQUITY (Unaudited) - USD ($) $ in Thousands	Total	Common Stock	Additional Paid-in Capital	Accumulated Deficit
Balance at Dec. 31, 2020	$ 1,227,102	$ 132	$ 2,004,841	$ (777,871)
Balance (in shares) at Dec. 31, 2020		134,043,969
Issuance of common stock for acquisition of business	39,030	$ 1	39,029
Issuance of common stock for acquisition of business (in shares)		1,072,117
Fair value of unvested stock options assumed in acquisition of business	1,017		1,017
Stock-based compensation	2,820		2,820
Exercise of stock options	2,821	$ 1	2,820
Exercise of stock options (in shares)		687,336
Vesting of restricted stock units (in shares)		499,879
Net loss	(77,189)			(77,189)
Balance at Mar. 31, 2021	1,195,601	$ 134	2,050,527	(855,060)
Balance (in shares) at Mar. 31, 2021		136,303,301
Balance at Dec. 31, 2021	915,194	$ 135	2,063,841	(1,148,782)
Balance (in shares) at Dec. 31, 2021		137,092,891
Stock-based compensation	3,629		3,629
Vesting of restricted stock units (in shares)		602,630
Net loss	(310,459)			(310,459)
Balance at Mar. 31, 2022	$ 608,364	$ 135	$ 2,067,470	$ (1,459,241)
Balance (in shares) at Mar. 31, 2022		137,695,521