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Lease Obligations - Schedule of future minimum lease payments (Details) - USD ($) $ in Thousands | Mar. 31, 2019 | Dec. 31, 2018
--- | --- | ---
Finance Lease Obligations |  |
Remainder of 2019 | $ 889 |
2020 | 1,185 |
2021 | 410 |
2022 | 0 |
2023 | 0 |
Thereafter | 0 |
Total minimum lease payments | 2,484 |
Financing component | (82) |
Net present of minimum lease payments | 2,402 |
Less: Current portion of financing and operating lease obligations | (1,127) | $ (1,119)
Long-term financing and operating lease obligations | 1,275 | 1,514
Operating Lease Obligations |  |
Remainder of 2019 | 4,693 |
2020 | 4,859 |
2021 | 3,752 |
2022 | 2,822 |
2023 | 1,533 |
Thereafter | 2,481 |
Total minimum lease payments | 20,140 |
Financing component | (4,139) |
Net present value of minimum lease payments | 16,001 |
Less: Current portion of financing and operating lease obligations | (4,401) | 0
Long-term financing and operating lease obligations | 11,600 | $ 0
Total Lease Obligations |  |
Remainder of 2019 | 5,582 |
2020 | 6,044 |
2021 | 4,162 |
2022 | 2,822 |
2023 | 1,533 |
Thereafter | 2,481 |
Total minimum lease payments | 22,624 |
Financing component | (4,221) |
Net present value of minimum lease payments | 18,403 |
Less: Current portion of financing and operating lease obligations | (5,528) |
Long-term financing and operating lease obligations | $ 12,875 |

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