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Stockholders' Equity (Narrative) (Details) $ / shares in Units, $ in Thousands |  |  |  |  |  | 1 Months Ended | 12 Months Ended |  |  |
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Jan. 27, 2023 USD ($) $ / shares shares | May 22, 2022 shares | Nov. 22, 2021 shares | Sep. 20, 2021 USD ($) item $ / shares shares | Apr. 18, 2021 shares | Nov. 30, 2020 USD ($) $ / shares shares | Aug. 31, 2020 USD ($) $ / shares shares | Dec. 31, 2022 USD ($) item $ / shares shares | Dec. 31, 2021 USD ($) $ / shares shares | Dec. 31, 2020 USD ($) $ / shares item shares | Dec. 02, 2020 shares | Aug. 04, 2020 shares | Oct. 31, 2010 $ / shares shares
Stockholders' Equity [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Common Stock Shares Authorized |  |  |  |  |  |  |  | 1,000,000,000 | 1,000,000,000 |  |  |  | 1,000,000,000
Common Stock Par Or Stated Value Per Share | $ / shares |  |  |  |  |  |  |  | $ 0.001 | $ 0.001 |  |  |  | $ 0.001
Preferred Stock Shares Authorized |  |  |  |  |  |  |  | 50,000,000 | 50,000,000 |  |  |  | 50,000,000
Preferred Stock Par Or Stated Value Per Share | $ / shares |  |  |  |  |  |  |  | $ 0.001 | $ 0.001 |  |  |  | $ 0.001
Preferred Stock Shares Issued |  |  |  |  |  |  |  | 0 | 0 |  |  |  |
Preferred Stock Shares Outstanding |  |  |  |  |  |  |  | 0 | 0 |  |  |  |
Common stock, dividends declared | $ / shares |  |  |  |  |  |  |  | $ 0 |  |  |  |  |
Voting right of common stock share holders |  |  |  |  |  |  |  | one |  |  |  |  |
Voting right of common stock share holders, number of votes | item |  |  |  |  |  |  |  | 1 |  |  |  |  |
Proceeds From Issuance Of Common Stock | $ |  |  |  |  |  |  |  | $ 11,230 | $ 31,806 | $ 46,360 |  |  |
Vested and exercisable options |  |  |  |  |  |  |  | 22,700,000 |  |  |  |  |
Weighted average remaining contractual life for exercisable |  |  |  |  |  |  |  | 5 years 4 months 24 days |  |  |  |  |
Vested and expected to vest, aggregate intrinsic value | $ |  |  |  |  |  |  |  | $ 24,600 |  |  |  |  |
Vested and expected to vest, weighted average exercise price | $ / shares |  |  |  |  |  |  |  | $ 10.61 |  |  |  |  |
Vested and expected to vest, weighted average remaining contractual life |  |  |  |  |  |  |  | 6 years 6 months |  |  |  |  |
Total intrinsic value of options exercised | $ |  |  |  |  |  |  |  | $ 5,000 | 146,100 | $ 63,100 |  |  |
Stock-based compensation cost capitalized in inventory | $ |  |  |  |  |  |  |  | $ 700 | $ 900 |  |  |  |
Dividend yield |  |  |  |  |  |  |  | 0.00% |  |  |  |  |
Weighted average grant date fair value per share | $ / shares |  |  |  |  |  |  |  | $ 5.93 | $ 18.36 | $ 4.14 |  |  |
Common Stock Shares Issued |  |  |  |  |  |  |  | 226,505,000 | 220,978,000 |  |  |  |
Private Placement of Common Stock [Member] |  |  |  |  |  |  |  |  |  |  |  |  |
Stockholders' Equity [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Proceeds From Issuance Of Common Stock | $ |  |  |  | $ 300,000 |  |  |  |  |  |  |  |  |
Price per share | $ / shares |  |  |  | $ 26.75 |  |  |  |  |  |  |  |  |
Common Stock Shares Issued |  |  |  | 11,214,953 |  |  |  |  |  |  |  |  |
Common Stock [Member] |  |  |  |  |  |  |  |  |  |  |  |  |
Stockholders' Equity [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Shares issued |  |  |  |  |  |  |  |  |  | 29,356,000 |  |  |
Omniome Plan [Member] |  |  |  |  |  |  |  |  |  |  |  |  |
Stockholders' Equity [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Exchange ratio | item |  |  |  | 0.259204639 |  |  |  |  |  |  |  |  |
Shares authorized |  |  |  | 2,494,128 |  |  |  |  |  |  |  |  |
2010 Plan [Member] |  |  |  |  |  |  |  |  |  |  |  |  |
Stockholders' Equity [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Common stock remain available for issuance |  |  |  |  |  |  |  | 25,500,000 |  |  |  |  |
ESPP [Member] |  |  |  |  |  |  |  |  |  |  |  |  |
Stockholders' Equity [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Common stock remain available for issuance |  |  |  |  |  |  |  | 9,932,505 |  |  |  |  |
Percentage of outstanding common stock used to determine annual plan increase |  |  |  |  |  |  |  | 2.00% |  |  |  |  |
Number of purchase periods | item |  |  |  |  |  |  |  | 4 |  |  |  |  |
Purchase period of ESPP |  |  |  |  |  |  |  | 6 months |  |  |  |  |
Percentage of fair market value at which stock can be purchased |  |  |  |  |  |  |  | 85.00% |  |  |  |  |
Common stock purchased under plan |  |  |  |  |  |  |  | 1,878,168 | 1,913,968 | 834,677 |  |  |
Cash received from option exercises | $ |  |  |  |  |  |  |  | $ 7,800 | $ 6,400 | $ 2,400 |  |  |
Weighted-average grant-date fair value of all RSUs granted | $ / shares |  |  |  |  |  |  |  | $ 4.28 | $ 25.07 | $ 1.87 |  |  |
Common Stock Shares Issued |  |  |  |  |  |  |  | 4,000,000 |  |  |  |  |
2020 Equity Incentive Plan [Member] |  |  |  |  |  |  |  |  |  |  |  |  |
Stockholders' Equity [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Shares authorized |  |  |  |  |  |  |  |  |  |  |  | 11,000,000 |
Additional common stock reserved for issuance |  | 18,000,000 |  |  |  |  |  |  |  |  |  |  |
2020 Inducement Equity Incentive Plan [Member] |  |  |  |  |  |  |  |  |  |  |  |  |
Stockholders' Equity [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Shares authorized |  |  |  |  |  |  |  |  |  |  | 2,500,000 |  |
Additional common stock reserved for issuance |  |  | 360,000 |  | 750,000 |  |  |  |  |  |  |  |
Common stock remain available for issuance |  |  |  |  |  |  |  | 18,900,000 |  |  |  |  |
Underwritten Public Equity Offering [Member] |  |  |  |  |  |  |  |  |  |  |  |  |
Stockholders' Equity [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Shares issued |  |  |  |  |  |  |  |  |  | 29,400,000 |  |  |
Proceeds from issuance of common stock from underwritten public equity offerings, net of issuance costs | $ |  |  |  |  |  |  |  |  |  | $ 187,200 |  |  |
Number of offerings | item |  |  |  |  |  |  |  | 2 |  | 2 |  |  |
Price per share | $ / shares |  |  |  |  |  |  |  |  |  | $ 6.40 |  |  |
Underwriting Agreement [Member] |  |  |  |  |  |  |  |  |  |  |  |  |
Stockholders' Equity [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Common Stock Par Or Stated Value Per Share | $ / shares |  |  |  |  |  | $ 0.001 | $ 0.001 |  |  |  |  |  |
Public offering |  |  |  |  |  | 6,096,112 | 19,430,000 |  |  |  |  |  |
Common stock offering price per share | $ / shares |  |  |  |  |  | $ 14.25 | $ 4.47 |  |  |  |  |  |
Public offering, option to purchase additional shares, period |  |  |  |  |  | 30 days | 30 days |  |  |  |  |  |
Public offering, option to purchase additional shares, shares |  |  |  |  |  | 914,416 | 2,914,500 |  |  |  |  |  |
Shares issued |  |  |  |  |  | 7,000,000.0 | 22,300,000 |  |  |  |  |  |
Commissions, percentage of gross proceeds |  |  |  |  |  | 6.00% | 6.00% |  |  |  |  |  |
Proceeds from issuance of common stock from underwritten public equity offerings, net of issuance costs | $ |  |  |  |  |  | $ 93,900 | $ 93,900 |  |  |  |  |  |
Offering costs | $ |  |  |  |  |  | $ 300 | $ 300 |  |  |  |  |  |
Time-based and performance-based options [Member] |  |  |  |  |  |  |  |  |  |  |  |  |
Stockholders' Equity [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Exercisable, Number |  |  |  |  |  |  |  | 9,408,063 |  |  |  |  |
Options expired, weighted average exercise price | $ / shares |  |  |  |  |  |  |  | $ 8.45 |  |  |  |  |
Aggregate intrinsic value outstanding | $ |  |  |  |  |  |  |  | $ 24,700 |  |  |  |  |
Weighted average remaining contractual life |  |  |  |  |  |  |  | 6 years 8 months 12 days |  |  |  |  |
Vested and expected to vest, outstanding |  |  |  |  |  |  |  | 14,436,695 |  |  |  |  |
RSUs With Time-Based Vesting [Member] |  |  |  |  |  |  |  |  |  |  |  |  |
Stockholders' Equity [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Ratio of number of shares into which the share instrument may be converted |  |  |  |  |  |  |  | 1 |  |  |  |  |
Vesting period |  |  |  |  |  |  |  | 4 years |  |  |  |  |
Weighted-average grant-date fair value of all RSUs granted | $ / shares |  |  |  |  |  |  |  | $ 10.15 | $ 35.33 | $ 5.18 |  |  |
Total fair value of shares vested related to RSUs | $ |  |  |  |  |  |  |  | $ 39,200 | $ 9,200 | $ 6,300 |  |  |
Options To Purchase Common Stock [Member] |  |  |  |  |  |  |  |  |  |  |  |  |
Stockholders' Equity [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Stock price | $ / shares |  |  |  |  |  |  |  | $ 8.18 |  |  |  |  |
Unrecognized compensation costs | $ |  |  |  |  |  |  |  | $ 125,100 |  |  |  |  |
Cash received from option exercises | $ |  |  |  |  |  |  |  | $ 3,400 | $ 25,400 | $ 43,900 |  |  |
Weighted average grant date fair value per share | $ / shares |  |  |  |  |  |  |  | $ 5.93 | $ 15.53 | $ 7.20 |  |  |
Options To Purchase Common Stock [Member] | Common Stock [Member] |  |  |  |  |  |  |  |  |  |  |  |  |
Stockholders' Equity [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Weighted average remaining contractual life |  |  |  |  |  |  |  | 2 years 4 months 24 days |  |  |  |  |
Subsequent Event [Member] |  |  |  |  |  |  |  |  |  |  |  |  |
Stockholders' Equity [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Proceeds From Issuance Of Common Stock | $ | $ 201,300 |  |  |  |  |  |  |  |  |  |  |  |
Price per share | $ / shares | $ 10.00 |  |  |  |  |  |  |  |  |  |  |  |
Common Stock Shares Issued | 20,125,000 |  |  |  |  |  |  |  |  |  |  |  |
Share-based Compensation Award, Tranche One, Two, Three and Four [Member] | RSUs With Time-Based Vesting [Member] |  |  |  |  |  |  |  |  |  |  |  |  |
Stockholders' Equity [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Vesting percentage |  |  |  |  |  |  |  | 25.00% |  |  |  |  |

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