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Leases (Tables) | 3 Months Ended
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Mar. 31, 2019
Leases [Abstract] |
Schedule of Consolidated Balance Sheet Information and Supplemental Information | The following was included in our consolidated balance sheet as of March 31, 2019 (in thousands):
Leases | As of March 31, 2019
Assets |
ROU operating lease assets | $ | 80,453 |
Liabilities |
Short-term operating lease liabilities | 11,825 |
Long-term operating lease liabilities | 72,243 |
Total operating lease liabilities | $ | 84,068 |
As of March 31, 2019, the following disclosures for remaining lease term and incremental borrowing rates were applicable:
Supplemental disclosure |  | March 31, 2019
Weighted average remaining lease term |  | 12 years
Weighted average discount rate |  | 3.3%
Components of Lease Costs | We recognize lease expense on a straight-line basis over the term of the lease. The components of lease costs for the three months ended March 31, 2019 are as follows, in thousands:
|  | Three months ended
Lease Cost | Classification | March 31, 2019
Operating lease cost (a) | Selling, general and administrative expenses | $ | 3,827 |
Sublease (income) (b) | Selling, general and administrative expenses | (146 | )
Net lease cost |  | $ | 3,681 |
(a) Includes expense related to short-term leases and variable payments, which were insignificant. (b) Does not include rental revenue from leases of NinePoint consoles, which was insignificant. Supplemental cash flow information for the three months ended March 31, 2019 is as follows:
|  | Three Months Ended
|  | March 31, 2019
Cash paid for amounts included in the measurement of lease liabilities |  | $ | 3,713 |
Right-of-use assets obtained in exchange for lease obligations |  | $ | 1,162 |
Maturities of Operating Lease Liabilities | As of March 31, 2019, maturities of operating lease liabilities were the following, in thousands:
Year ended December 31, |  | Amounts under Operating Leases
Remaining 2019 |  | $ | 10,380 |
2020 |  | 12,251 |
2021 |  | 11,109 |
2022 |  | 8,822 |
2023 |  | 7,026 |
Thereafter |  | 53,203 |
Total lease payments |  | 102,791 |
Less: Imputed interest |  | (18,723 | )
Total |  | $ | 84,068 |
Schedule of Minimum Payments Under Operating Lease Agreements | As previously disclosed in our 2018 Form 10-K under the prior guidance of ASC 840, minimum payments under operating lease agreements as of December 31, 2018 were as follows, in thousands:
Year ended December 31, |  | Operating Leases
2019 |  | $ | 13,421 |
2020 |  | 11,319 |
2021 |  | 9,995 |
2022 |  | 8,053 |
2023 |  | 6,953 |
Thereafter |  | 52,754 |
Total |  | $ | 102,495 |

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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 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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- 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/legacyRef -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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