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Leases (Tables) | 12 Months Ended
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Dec. 31, 2019
Leases [Abstract] |
Schedule of Lease Assets and Related Lease Liabilities | The Company’s lease assets and related lease liabilities were as follows (in thousands):
| Balance Sheet Line Item |  | December 31, 2019 |
Assets |  |  |  |  |
Finance: |  |  |  |  |
Right-of-use assets - cost |  |  | $ | 49,909 |
Accumulated amortization |  |  |  | (10,307 | )
Finance lease right-of-use assets, net | Finance lease right-of-use assets |  |  | 39,602 |
Operating: |  |  |  |  |
Right-of-use assets - cost |  |  |  | 2,736 |
Accumulated amortization |  |  |  | (805 | )
Operating lease right-of-use assets, net | Other assets |  |  | 1,931 |
Total lease assets |  |  | $ | 41,533 |
Liabilities |  |  |  |  |
Current: |  |  |  |  |
Finance lease liabilities | Finance lease liabilities, current |  | $ | 12,351 |
Operating lease liabilities | Accrued and other current liabilities |  |  | 983 |
Non-current: |  |  |  |  |
Finance lease liabilities | Finance lease liabilities, non-current |  |  | 37,610 |
Operating lease liabilities | Other long-term liabilities |  |  | 942 |
Total lease liabilities |  |  | $ | 51,886 |
Components of Lease Expense | The components of lease expense were as follows (in thousands):
| Statement of Operations Line Item |  | Year Ended December 31, 2019 |
Finance lease cost: |  |  |  |  |
Amortization of right-of-use assets | Research and development, Selling, general and administrative expenses |  | $ | 10,307 |
Interest on lease liabilities | Interest expense |  |  | 2,373 |
Operating lease cost | Research and development, Selling, general and administrative expenses |  |  | 891 |
Sublease income | Selling, general and administrative expenses |  |  | (1,385 | )
Total lease cost |  |  | $ | 12,186 |
Schedule of Supplemental Cash Flow Information Related to Leases | Supplemental cash flow information related to leases were as follows (in thousands):
|  | Year Ended December 31, 2019 |
Cash paid for amounts included in the measurement of lease liabilities: |  |  |  |
Operating cash flows from operating leases |  | $ | 914 |
Operating cash flows from finance leases |  |  | 2,196 |
Financing cash flows from finance leases |  |  | 11,925 |
Right-of-use assets obtained in exchange for new lease liabilities: |  |  |  |
Finance leases |  |  | 49,909 |
Operating leases |  | $ | 2,736 |
Schedule of Lease Term and Discount Rate | Lease term and discount rate were as follows at December 31, 2019:
|  | December 31, 2019 |
Weighted-average remaining lease term (years): |  |  |  |
Finance leases |  |  | 3.6 |
Operating leases |  |  | 2.1 |
Weighted-average discount rate: |  |  |  |
Finance leases |  |  | 4.42 | %
Operating leases |  |  | 4.75 | %
Schedule of Maturities of Finance and Operating Leases Liabilities | Maturities of lease liabilities are as follows:
Year Ending |  | Finance Leases |  |  | Operating Leases |
2020 |  | $ | 14,078 |  |  | $ | 1,043 |
2021 |  |  | 13,676 |  |  |  | 668 |
2022 |  |  | 13,878 |  |  |  | 307 |
2023 |  |  | 12,523 |  |  |  | — |
Total future lease payments |  |  | 54,155 |  |  |  | 2,018 |
Less: Interest |  |  | (4,194 | ) |  |  | (93 | )
Present value of lease liabilities |  | $ | 49,961 |  |  | $ | 1,925 |
Schedule of Future Minimum Lease Payments Under all Non-Cancelable Operating Lease Obligations | Future minimum lease payments under all non-cancelable operating lease obligations as of December 31, 2018 were as follows (in thousands):
Year Ending |  | Operating Leases |
2019 |  | $ | 444 |
2020 |  |  | 232 |
2021 |  |  | 25 |
2022 |  |  | 16 |
2023 |  |  | — |
Total minimum payments |  | $ | 717 |
Schedule of Future Minimum Lease Payments on Consolidated Basis Under Company's Facility Financing Lease Obligations | Future minimum lease payments, on a consolidated basis, under the Company’s facility lease financing obligations as of December 31, 2018 were as follows (in thousands):
Year Ending |  | Lease financing obligations |
2019 |  | $ | 14,379 |
2020 |  |  | 14,664 |
2021 |  |  | 14,179 |
2022 |  |  | 14,335 |
2023 |  |  | 12,872 |
Total minimum payments |  | $ | 70,429 |

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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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- Definition Tabular disclosure of future minimum lease payments as of the date of the latest balance sheet presented, in aggregate and for each of the five years succeeding fiscal years, with separate deductions from the total for the amount representing executor costs, including any profit thereon, included in the minimum lease payments and for the amount of the imputed interest necessary to reduce the net minimum lease payments to present value. + References Reference 1: http://fasb.org/us-gaap/role/ref/otherTransitionRef -Publisher FASB -Name Accounting Standards Codification -Topic 840 -SubTopic 30 -Section 50 -Paragraph 1 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=84164817&loc=d3e45280-112737 + Details
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- Definition Tabular disclosure of future minimum payments required in the aggregate and for each of the five succeeding fiscal years for operating leases having initial or remaining noncancelable lease terms in excess of one year and the total minimum rentals to be received in the future under noncancelable subleases as of the balance sheet date. + References Reference 1: http://fasb.org/us-gaap/role/ref/otherTransitionRef -Publisher FASB -Name Accounting Standards Codification -Topic 840 -SubTopic 20 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=77902758&loc=d3e41502-112717 + Details
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