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Commitments and Contingencies (Tables) | 12 Months Ended
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Dec. 31, 2019
Commitments And Contingencies Disclosure [Abstract] |
Summary of Operating Lease Expense | Our lease expense comprises of the following (in thousands):
|  | Year Ended December 31, |
|  | 2019 |  |  | 2018 |  |  | 2017 |
Operating lease expense |  | $ | 6,886 |  |  | $ | 3,953 |  |  | $ | 2,386 |
Summary of Balance Sheet Classification of Operating Lease Liabilities | The balance sheet classification of our operating lease liabilities was as follows (in thousands):
|  | December 31, 2019 |  |  | December 31, 2018 |
Operating lease liabilities: |  |  |  |  |  |  |  |
Current portion of lease liabilities (included in other current liabilities) |  | $ | 3,039 |  |  | $ | - |
Long-term portion of lease liabilities |  |  | 37,845 |  |  |  | - |
Total operating lease liabilities |  | $ | 40,884 |  |  | $ | - |
Summary of Maturities of Sublease Income and Operating Lease Liabilities | At December 31, 2019, the maturities of our sublease income and operating lease liabilities were as follows (in thousands):
Years ending December 31, |  | Sublease Income |  |  | Operating Lease Liabilities |
2020 |  | $ | 4,446 |  |  | $ | 7,023 |
2021 |  |  | 5,202 |  |  |  | 6,952 |
2022 |  |  | 5,358 |  |  |  | 6,201 |
2023 |  |  | 5,519 |  |  |  | 4,950 |
2024 |  |  | 5,684 |  |  |  | 4,963 |
Thereafter |  |  | 39,600 |  |  |  | 34,560 |
Total |  | $ | 65,809 |  |  |  | 64,649 |
Less: |  |  |  |  |  |  |  |
Present value adjustment |  |  |  |  |  |  | (23,765 | )
Total |  |  |  |  |  | $ | 40,884 |

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- Definition Sublease income and operating lease liability maturity. + References No definition available. + Details
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- Definition Tabular disclosure of lessee's lease cost. Includes, but is not limited to, interest expense for finance lease, amortization of right-of-use asset for finance lease, operating lease cost, short-term lease cost, variable lease cost and sublease income. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 842 -SubTopic 20 -Section 50 -Paragraph 4 -URI http://asc.fasb.org/extlink&oid=77888426&loc=SL77918686-209980 + Details
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