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Leases (Tables) | 9 Months Ended
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Sep. 30, 2019
Leases [Abstract] |
Summary of Minimum Lease Payments for Operating Lease Liabilities | At September 30, 2019, the approximate future minimum lease payments under operating leases were as follows:
(in thousands) |  | Operating Leases |
Year Ending December 31, |  |  |  |
2019 (3 months remaining) |  | $ | 2,142 |
2020 |  |  | 8,431 |
2021 |  |  | 9,026 |
2022 |  |  | 9,302 |
2023 |  |  | 9,586 |
Thereafter |  |  | 77,068 |
Total operating lease payments |  |  | 115,555 |
Less accreted interest |  |  | (32,914 | )
Total operating lease liabilities |  |  | 82,641 |
Less current operating lease liabilities |  |  | (8,159 | )
Noncurrent operating lease liabilities |  | $ | 74,482 |

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- Definition Tabular disclosure of undiscounted cash flows of lessee's operating lease liability. Includes, but is not limited to, reconciliation of undiscounted cash flows to operating lease liability recognized in statement of financial position. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 842 -SubTopic 20 -Section 50 -Paragraph 6 -URI http://asc.fasb.org/extlink&oid=77888426&loc=SL77918701-209980 + Details
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