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Leases | 3 Months Ended
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Mar. 31, 2019
Leases [Abstract] |
Leases | Leases The Company currently has operating and finance leases for office and research laboratory space, equipment and vehicles under agreements expiring at various dates through 2044. Certain of the Company's leases contain renewal options to extend the lease for up to 25 years. For the three months ended March 31, 2019, lease expense was $2.1 million and $0.1 million for operating and finance leases, respectively. Cash paid for amounts included in the measurement of operating lease liabilities was $1.4 million for the three months ended March 31, 2019. For the three months ended March 31, 2019, the Company recorded $19.5 million of right-of-use assets obtained in exchange for new operating lease liabilities. Commitments under finance leases are not significant. Supplemental balance sheet information related to operating leases was as follows.
(in thousands, except year and discount rate amounts) |  | March 31, 2019
Operating lease ROU asset |  | $ | 36,208 |
Current portion of the operating lease liabilities |  | $ | 2,421 |
Non-current portion of the operating lease liabilities |  | 35,991 |
Total operating lease liability |  | $ | 38,412 |
Weighted-average remaining lease terms (years) |  | 14.6 |
Weighted-average discount rate |  | 12.8 | %
At March 31, 2019, the future minimum lease payments were as follows:
( in thousands) |  | Operating Leases
2019 (excludes the three months ended March 31, 2019) |  | $ | 4,494 |
2020 |  | 9,776 |
2021 |  | 10,516 |
2022 |  | 10,418 |
2023 |  | 10,830 |
Thereafter |  | 174,006 |
Total lease payments |  | $ | 220,040 |
Less lease incentives |  | (28,939 | )
Less imputed interest |  | (152,689 | )
Total operating lease liability |  | $ | 38,412 |
At December 31, 2018, the future minimum lease payments were as follows:
( in thousands) |  | Operating Leases
2019 |  | $ | 6,244 |
2020 |  | 4,063 |
2021 |  | 3,560 |
2022 |  | 3,371 |
2023 |  | 3,611 |
Thereafter |  | 10,038 |
Total lease payments |  | $ | 30,887 |
Leases | Leases The Company currently has operating and finance leases for office and research laboratory space, equipment and vehicles under agreements expiring at various dates through 2044. Certain of the Company's leases contain renewal options to extend the lease for up to 25 years. For the three months ended March 31, 2019, lease expense was $2.1 million and $0.1 million for operating and finance leases, respectively. Cash paid for amounts included in the measurement of operating lease liabilities was $1.4 million for the three months ended March 31, 2019. For the three months ended March 31, 2019, the Company recorded $19.5 million of right-of-use assets obtained in exchange for new operating lease liabilities. Commitments under finance leases are not significant. Supplemental balance sheet information related to operating leases was as follows.
(in thousands, except year and discount rate amounts) |  | March 31, 2019
Operating lease ROU asset |  | $ | 36,208 |
Current portion of the operating lease liabilities |  | $ | 2,421 |
Non-current portion of the operating lease liabilities |  | 35,991 |
Total operating lease liability |  | $ | 38,412 |
Weighted-average remaining lease terms (years) |  | 14.6 |
Weighted-average discount rate |  | 12.8 | %
At March 31, 2019, the future minimum lease payments were as follows:
( in thousands) |  | Operating Leases
2019 (excludes the three months ended March 31, 2019) |  | $ | 4,494 |
2020 |  | 9,776 |
2021 |  | 10,516 |
2022 |  | 10,418 |
2023 |  | 10,830 |
Thereafter |  | 174,006 |
Total lease payments |  | $ | 220,040 |
Less lease incentives |  | (28,939 | )
Less imputed interest |  | (152,689 | )
Total operating lease liability |  | $ | 38,412 |
At December 31, 2018, the future minimum lease payments were as follows:
( in thousands) |  | Operating Leases
2019 |  | $ | 6,244 |
2020 |  | 4,063 |
2021 |  | 3,560 |
2022 |  | 3,371 |
2023 |  | 3,611 |
Thereafter |  | 10,038 |
Total lease payments |  | $ | 30,887 |

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- Definition The entire disclosure for finance leases of lessee. Includes, but is not limited to, description of lessee's finance lease and maturity analysis of finance lease liability. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 842 -SubTopic 20 -URI http://asc.fasb.org/subtopic&trid=77888251 + Details
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- Definition The entire disclosure for operating leases of lessee. Includes, but is not limited to, description of operating lease and maturity analysis of operating lease liability. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 842 -SubTopic 20 -URI http://asc.fasb.org/subtopic&trid=77888251 + Details
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