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Debt - Additional Information (Details) |  |  |  | 3 Months Ended |
--- | --- | --- | --- | --- | ---
Oct. 02, 2021 USD ($) | Apr. 06, 2021 USD ($) | Mar. 25, 2021 USD ($) renewal_option d $ / shares | Dec. 31, 2021 USD ($) | Oct. 01, 2021 USD ($)
Debt Instrument [Line Items] |  |  |  |  |
Long-term debt, remaining balance |  |  |  | $ 570,766,000 | $ 570,766,000
Unamortized deferred financing costs |  |  |  | 800,000 |
Accumulated deficit |  |  |  | (655,414,000) | (801,754,000)
Accumulated Deficit | Cumulative Effect, Period of Adoption, Adjustment |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Accumulated deficit | $ 7,500,000 |  |  |  |
Long-term Debt |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Principle amount |  |  |  | $ 700,000,000 |
Basis spread on variable rate |  |  |  | 2.25% |
Long-term debt, remaining balance |  |  |  | $ 120,766,000 | 120,766,000
Estimated fair value of Term Loans |  |  |  | 120,300,000 |
Convertible Notes Green Shoe |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Principle amount |  | $ 50,000,000 |  |  |
Convertible Debt |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Long-term debt, remaining balance |  |  |  | 450,000,000 | $ 450,000,000
Convertible Senior Notes Due 2026 |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Principle amount |  |  | $ 400,000,000 | 450,000,000 |
Conversion price (in USD per share) | $ / shares |  |  | $ 82,120,000 |  |
Redemption price percentage |  |  | 100.00% |  |
Interest costs capitalized |  | 80,700,000 |  |  |
Equity component of convertible notes, net of deferred financing costs | 72,200,000 |  |  |  |
Interest expense debt |  |  |  | 300,000 |
Future minimum principal payments |  |  |  | 0 |
Convertible Senior Notes Due 2026 | Cumulative Effect, Period of Adoption, Adjustment |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Principle amount | 73,100,000 |  |  |  |
Convertible Senior Notes Due 2026 | Conversion Period One |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Convertible threshold trading days | renewal_option |  |  | 20,000,000 |  |
Threshold consecutive trading days | renewal_option |  |  | 30,000,000 |  |
Convertible Senior Notes Due 2026 | Conversion Period Two |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Convertible threshold trading days | d |  |  | 5 |  |
Threshold consecutive trading days | d |  |  | 5 |  |
Convertible Senior Notes Due 2026 | Conversion Price | Conversion Period One |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Convertible threshold percentage of stock price trigger |  |  | 130.00% |  |
Convertible Senior Notes Due 2026 | Principal Trading Price | Conversion Period Two |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Convertible threshold percentage of stock price trigger |  |  | 98.00% |  |
Convertible Senior Notes Due 2026 | Convertible Notes Payable |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Basis spread on variable rate |  |  | 0.25% |  |
Estimated fair value of Term Loans |  |  |  | $ 529,300,000 |
Convertible Senior Notes Due 2026 | Convertible Debt |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Unamortized deferred financing costs |  | 5,700,000 |  |  |
Conversion ratio |  |  |  | 0.0121767 |
Convertible Senior Notes Due 2026 | Convertible Debt | Cumulative Effect, Period of Adoption, Adjustment |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Unamortized deferred financing costs | $ 900,000 |  |  |  |
Convertible Senior Notes Due 2026 | Convertible Debt | APIC Portion |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Unamortized deferred financing costs |  | 1,000,000 |  |  |
Convertible Senior Notes Due 2026 Additional Notes | Convertible Debt | Liability Portion |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Unamortized deferred financing costs |  | $ 4,700,000 |  |  |
Fed Funds Effective Rate Overnight Index Swap Rate | Term Loans |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Basis spread on variable rate |  |  |  | 0.50% |
One Month London Interbank Offered Rate (LIBOR) | Long-term Debt |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Basis spread on variable rate |  |  |  | 1.00% |
Minimum | Base Rate | Long-term Debt |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Basis spread on variable rate |  |  |  | 1.25% |

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- Definition Adjustment to additional paid in capital resulting from the recognition of convertible debt instruments as two separate components - a debt component and an equity component. This bifurcation may result in a basis difference associated with the liability component that represents a temporary difference for purposes of applying accounting for income taxes. The initial recognition of deferred taxes for the tax effect of that temporary difference is as an adjustment to additional paid in capital. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 470 -SubTopic 20 -Section 25 -Paragraph 22 -URI http://asc.fasb.org/extlink&oid=123466103&loc=SL6014347-161799 + Details
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- Definition The portion of the carrying value of long-term convertible debt as of the balance sheet date that is scheduled to be repaid within one year or in the normal operating cycle if longer. Convertible debt is a financial instrument which can be exchanged for a specified amount of another security, typically the entity's common stock, at the option of the issuer or the holder. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(19)) -URI http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682 + Details
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- Definition Amount, before unamortized (discount) premium and debt issuance costs, of long-term debt. Includes, but is not limited to, notes payable, bonds payable, commercial loans, mortgage loans, convertible debt, subordinated debt and other types of debt. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 470 -SubTopic 20 -Section 50 -Paragraph 4 -Subparagraph (b)(1) -URI http://asc.fasb.org/extlink&oid=123466204&loc=SL6031897-161870 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-03(16)) -URI http://asc.fasb.org/extlink&oid=120400017&loc=d3e572229-122910 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(22)) -URI http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682 Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03(16)) -URI http://asc.fasb.org/extlink&oid=120398452&loc=d3e534808-122878 + Details
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