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Commitments and Contingencies (Tables) | 12 Months Ended
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Dec. 31, 2018
Commitments and Contingencies Disclosure [Abstract] |
Summary of Rental Expense Under Operating Leases | Rent expense related to our operating leases for the years ended December 31, 2018, 2017 and 2016, was as follows (in thousands):
| For the Years Ended December 31,
| 2018 |  | 2017 |  | 2016
Rent expense | $ | 2,829 |  |  | $ | 2,614 |  |  | $ | 2,124 |
Less: income from subleases | (347 | ) |  | (418 | ) |  | (187 | )
Net rent expense | $ | 2,482 |  |  | $ | 2,196 |  |  | $ | 1,937 |
Schedule of Future Lease Obligations Under Operating Leases | Future lease obligations under our operating leases as of December 31, 2018, were as follows (in thousands):
Year |  |
2019 |  | $ | 2,011 |
2020 |  | 1,553 |
2021 |  | 688 |
2022 |  | 498 |
2023 |  | 126 |
Thereafter |  | 15 |
Total lease commitments |  | 4,891 |
Less: income from subleases |  | — |
Net lease commitments |  | $ | 4,891 |

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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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- Definition Tabular disclosure of rental expense from operating leases for each period for which an income statement is presented with separate amounts for minimum rentals, contingent rentals, and sublease rentals. Rental payments under leases with terms of a month or less that were not renewed need not be included. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 840 -SubTopic 20 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=77902758&loc=d3e41499-112717 + Details
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