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Leases | 3 Months Ended
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Mar. 31, 2019
Leases [Abstract] |
Leases | Leases. We adopted ASC 842 using the modified retrospective approach, electing the practical expedient that allows us not to restate our comparative periods prior to the adoption of the standard on January 1, 2019. As such, the disclosures required under ASC 842 are not presented for periods before the date of adoption. For the comparative periods prior to adoption, we present the disclosures which were required under ASC 840. We have operating leases for facilities used for manufacturing, R&D, sales and distribution, and office space, as well as leases for manufacturing and office equipment, vehicles, and land (in Singapore and South Jordan, Utah). Our leases have remaining terms of approximately one year to 19 years. A number of our lease agreements contain options to renew at our discretion for periods of up to 30 years and options to terminate the leases within one year. The lease term used to calculate right-of-use ("ROU") assets and lease liabilities includes renewal and termination options that are deemed reasonably certain to be exercised. Lease agreements with lease and non-lease components are generally accounted for as a single lease component. We do not have any bargain purchase options in our leases. For leases with an initial term of one year or less, we do not record a ROU asset or lease liability on our consolidated balance sheet. Substantially all of the ROU assets and lease liabilities as of March 31, 2019 recorded on our consolidated balance sheet are related to our cardiovascular segment. We sublease a portion of one of our facilities to a third party. We also lease certain hardware consoles to customers through our distribution agreement with NinePoint Medical and record rental revenue as a component of net sales. Rental revenue under such console leasing arrangements for the three months ended March 31, 2019 and 2018 was insignificant. 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 |
During the year ended December 31, 2015, we entered into sale and leaseback transactions to finance certain production equipment for approximately $2.0 million. At that time, we deferred the gain from the sale and leaseback transaction, of which approximately $93,000 remained as of December 31, 2018. As part of the adoption of ASC 842, we wrote-off the deferred gain as an adjustment to equity through retained earnings during the three months ended March 31, 2019. 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 |
Generally, our lease agreements do not specify an implicit rate. Therefore, we estimate our incremental borrowing rate, which is defined as the interest rate we would pay to borrow on a collateralized basis, considering such factors as length of lease term and the risks of the economic environment in which the leased asset operates. 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%
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 |
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 |
As of March 31, 2019, we had additional operating leases for office space that had not yet commenced. These leases will commence during 2019 and are not significant.

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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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