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Leases - Schedule of Supplemental Cash Flow Information Related to Leases (Detail) - USD ($) $ in Thousands | 9 Months Ended |
--- | --- | ---
Sep. 30, 2021 | Sep. 30, 2020 | Dec. 31, 2020
Cash paid for amounts included in the measurement of lease liabilities: |  |  |
Operating cash flows from operating leases | $ 6,090 | $ 812 |
Operating cash flows from finance leases | 628 | 1,468 |
Financing cash flows from finance leases | 5,359 | 9,254 |
Non-cash: Right-of-use assets obtained in exchange for new lease liabilities: |  |  |
Finance leases | 330 | 434 |
Operating leases | 3,509 | 55 |
Non-cash: Increase (decrease) resulting from lease modification: |  |  |
Finance lease right-of-use assets | (771) |  | $ (29,606)
Operating lease right-of-use assets | 94,055 |  | 2,043
Finance lease liabilities, current | (15) |  | (12,330)
Operating lease liabilities, current | 10,831 |  | 1,188
Finance lease liabilities, non-current | (5) |  | (25,391)
Operating lease liabilities, non-current | 91,478 |  | $ 853
ASC 842 [Member] |  |  |
Non-cash: Increase (decrease) resulting from lease modification: |  |  |
Finance lease right-of-use assets | (24,654) | 0 |
Operating lease right-of-use assets | 93,222 | 0 |
Finance lease liabilities, current | (12,587) | 0 |
Operating lease liabilities, current | 9,221 | 0 |
Finance lease liabilities, non-current | (20,009) | 0 |
Operating lease liabilities, non-current | $ 91,943 | $ 0 |

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- Definition Amount of interest paid on finance lease liability. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 842 -SubTopic 20 -Section 50 -Paragraph 4 -Subparagraph (g)(1) -URI http://asc.fasb.org/extlink&oid=123408670&loc=SL77918686-209980 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 842 -SubTopic 20 -Section 45 -Paragraph 5 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=123391704&loc=SL77918643-209977 + Details
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