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Lease Obligations (Details) - USD ($) $ in Thousands | 3 Months Ended | 6 Months Ended |
--- | --- | --- | ---
Jun. 30, 2019 | Jun. 30, 2019 | Jan. 01, 2019
Lessee, Lease, Description [Line Items] |  |  |
Lease termination period |  | 10 years |
Lease, Cost [Abstract] |  |  |
Operating lease cost | $ 1,960 | $ 4,171 |
Short-term lease cost | 3,269 | 8,012 |
Finance lease cost: |  |  |
Amortization of right-of-use assets | 39 | 71 |
Interest on lease liabilities | 1 | 3 |
Total finance lease cost | 40 | 74 |
Cash paid for amounts included in the measurement of lease liabilities: |  |  |
Operating cash flows from operating leases |  | 4,466 |
Operating cash flows from finance leases |  | 3 |
Financing cash flows from finance leases |  | 71 |
Right-of-use assets obtained in exchange for lease obligations (noncash): |  |  |
Operating leases |  | 6,311 |
Finance leases |  | 770 |
Assets and Liabilities, Lessee [Abstract] |  |  |
Operating lease right-of-use assets | 14,995 | 14,995 | $ 13,600
Current portion of long-term lease obligations | 7,059 | 7,059 | 6,200
Long-term lease obligations | 8,030 | 8,030 | $ 7,400
Total operating lease liabilities | 15,089 | 15,089 |
Property and equipment, at cost | 1,433 | 1,433 |
Accumulated depreciation | (347) | (347) |
Property and equipment, net | 1,086 | 1,086 |
Current maturities of long-term debt | 234 | 234 |
Long-term debt | 626 | 626 |
Total finance lease liabilities | $ 860 | $ 860 |
Weighted Average Remaining Lease Term: Operating leases | 2 years 9 months 4 days | 2 years 9 months 4 days |
Weighted Average Remaining Lease Term: Financing leases | 4 years 4 months 10 days | 4 years 4 months 10 days |
Weighted Average Discount Rate: Operating lease | 6.00% | 6.00% |
Weighted Average Discount Rate: Financing lease | 4.20% | 4.20% |
Operating Lease Liabilities, Payments Due [Abstract] |  |  |
2019 (excluding the six months ended June 30, 2019) | $ 4,206 | $ 4,206 |
2020 | 5,885 | 5,885 |
2021 | 4,231 | 4,231 |
2022 | 2,087 | 2,087 |
2023 | 399 | 399 |
Thereafter | 5 | 5 |
Total lease payments | 16,813 | 16,813 |
Less imputed interest | (1,724) | (1,724) |
Total operating lease liabilities | 15,089 | 15,089 |
Finance Lease Liabilities, Payments, Due [Abstract] |  |  |
2019 (excluding the six months ended June 30, 2019) | 157 | 157 |
2020 | 209 | 209 |
2021 | 186 | 186 |
2022 | 161 | 161 |
2023 | 154 | 154 |
Thereafter | 77 | 77 |
Total lease payments | 944 | 944 |
Less imputed interest | (84) | (84) |
Total finance lease liabilities | $ 860 | $ 860 |
Minimum |  |  |
Lessee, Lease, Description [Line Items] |  |  |
Lease renewal term |  | 1 month |
Maximum |  |  |
Lessee, Lease, Description [Line Items] |  |  |
Lease renewal term |  | 5 years |

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- Definition Present value of lessee's discounted obligation for lease payments from operating lease, classified as noncurrent. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 842 -SubTopic 20 -Section 45 -Paragraph 1 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=77888419&loc=SL77918627-209977 + Details
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- Definition Amount of cash outflow from operating lease, excluding payments to bring another asset to condition and location necessary for its intended use. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 842 -SubTopic 20 -Section 45 -Paragraph 5 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=77888419&loc=SL77918643-209977 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 842 -SubTopic 20 -Section 50 -Paragraph 4 -Subparagraph (g)(1) -URI http://asc.fasb.org/extlink&oid=77888426&loc=SL77918686-209980 + Details
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- Definition Amount of lessee's right to use underlying asset under operating lease. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 842 -SubTopic 20 -Section 45 -Paragraph 1 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=77888419&loc=SL77918627-209977 + Details
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- Definition Weighted average discount rate for operating lease calculated at point in time. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 842 -SubTopic 20 -Section 50 -Paragraph 4 -Subparagraph (g)(4) -URI http://asc.fasb.org/extlink&oid=77888426&loc=SL77918686-209980 Reference 2: http://www.xbrl.org/2003/role/exampleRef -Publisher FASB -Name Accounting Standards Codification -Topic 842 -SubTopic 20 -Section 55 -Paragraph 53 -URI http://asc.fasb.org/extlink&oid=77888399&loc=SL77918982-209971 + Details
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- Definition Weighted average remaining lease term for operating lease, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days. + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Publisher FASB -Name Accounting Standards Codification -Topic 842 -SubTopic 20 -Section 55 -Paragraph 53 -URI http://asc.fasb.org/extlink&oid=77888399&loc=SL77918982-209971 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 842 -SubTopic 20 -Section 50 -Paragraph 4 -Subparagraph (g)(3) -URI http://asc.fasb.org/extlink&oid=77888426&loc=SL77918686-209980 + Details
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- Definition Amount of increase in right-of-use asset obtained in exchange for finance lease liability. + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Publisher FASB -Name Accounting Standards Codification -Topic 842 -SubTopic 20 -Section 55 -Paragraph 53 -URI http://asc.fasb.org/extlink&oid=77888399&loc=SL77918982-209971 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 842 -SubTopic 20 -Section 50 -Paragraph 4 -Subparagraph (g)(2) -URI http://asc.fasb.org/extlink&oid=77888426&loc=SL77918686-209980 + Details
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- Definition Amount of increase in right-of-use asset obtained in exchange for operating lease liability. + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Publisher FASB -Name Accounting Standards Codification -Topic 842 -SubTopic 20 -Section 55 -Paragraph 53 -URI http://asc.fasb.org/extlink&oid=77888399&loc=SL77918982-209971 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 842 -SubTopic 20 -Section 50 -Paragraph 4 -Subparagraph (g)(2) -URI http://asc.fasb.org/extlink&oid=77888426&loc=SL77918686-209980 + Details
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- Definition Amount of short-term lease cost, excluding expense for lease with term of one month or less. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 842 -SubTopic 20 -Section 50 -Paragraph 4 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=77888426&loc=SL77918686-209980 Reference 2: http://www.xbrl.org/2003/role/exampleRef -Publisher FASB -Name Accounting Standards Codification -Topic 842 -SubTopic 20 -Section 55 -Paragraph 53 -URI http://asc.fasb.org/extlink&oid=77888399&loc=SL77918982-209971 + Details
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