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Commitments and Contingencies (Tables) | 12 Months Ended
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Dec. 31, 2018
Commitments and Contingencies |
Schedule of future minimum lease commitments on non-cancelable operating leases | Future minimum lease commitments on non‑cancelable operating leases for the year ended December 31, 2018 are as follows:
|  | Operating |
|  | Leases |
|  | (in thousands) |
2019 |  | $ | 3,244 |
2020 |  |  | 2,022 |
2021 |  |  | 719 |
2022 |  |  | 73 |
2023 |  |  | 37 |
Thereafter |  |  | 1 |
|  | $ | 6,096 |
Cash payment schedule associated with lease obligation | The following table relates to the cash payment schedule associated with this lease obligation as of December 31, 2018:
|  | Lease |
|  | Obligation |
|  | (in thousands) |
2019 |  | $ | 5,594 |
2020 |  |  | 5,720 |
2021 |  |  | 5,848 |
2022 |  |  | 5,980 |
2023 |  |  | 6,114 |
Thereafter |  |  | 85,905 |
Total lease payments |  | $ | 115,161 |
Less interest portion |  |  | (67,404) |
Sale leaseback obligation |  | $ | 47,757 |

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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://www.xbrl.org/2003/role/presentationRef -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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- Definition Tabular disclosure of sale leaseback transactions. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 840 -SubTopic 10 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=84164451&loc=d3e36991-112694 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 840 -SubTopic 40 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=77913982&loc=d3e50796-112755 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 842 -SubTopic 40 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=77888430&loc=SL77919786-209982 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 840 -SubTopic 40 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=77914019&loc=d3e50824-112756 + Details
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