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Leases | 6 Months Ended
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Jun. 30, 2019
Leases [Abstract] |
Leases | LEASES We have operating leases for some of our transportation equipment, office space, warehouse space, operating locations, and machinery and equipment. We have finance leases for certain storage tanks and equipment rentals. These finance leases are not material to our financial statements. Our leases have remaining lease terms ranging from 1 to 16 years. Some of our leases have options to extend for various periods, while some have termination options with prior notice of generally 30 days or six months. The office space, warehouse space, operating location leases, and machinery and equipment leases generally require us to pay all maintenance and insurance costs. We do not have leases that have not yet commenced that create significant rights and obligations. Our lease agreements do not contain any material residual value guarantees or material restrictive covenants. Variable rent expense was not material. Our corporate headquarters facility located in The Woodlands, Texas, was sold on December 31, 2012, pursuant to a sale and leaseback transaction. As a condition to the consummation of the purchase and sale of the facility, the parties entered into a lease agreement for the facility having an initial lease term of 15 years, which is classified as an operating lease. Under the terms of the lease agreement, we have the ability to extend the lease for five successive five year periods at base rental rates to be determined at the time of each extension. Components of lease expense, included in either cost of revenues or general and administrative expense based on the use of the underlying asset, are as follows (inclusive of lease expense for leases not included on our consolidated balance sheet based on our accounting policy election to exclude leases with a term of 12 months or less):
| Three Months Ended June 30, 2019 |  | Six Months Ended June 30, 2019
| (In Thousands)
Operating lease expense | $ | 4,987 |  |  | $ | 10,031 |
Short-term lease expense | 9,552 |  |  | 20,713 |
Total lease expense | $ | 14,539 |  |  | $ | 30,744 |
Supplemental cash flow information:
|  | Six Months Ended June 30, 2019
|  | (In Thousands)
Cash paid for amounts included in the measurement of lease liabilities: |  |
Operating cash flows - operating leases |  | $ | 9,398 |
Right-of-use assets obtained in exchange for lease obligations: |  |
Operating leases |  | $ | 4,881 |
Supplemental balance sheet information:
| June 30, 2019
| (In Thousands)
Operating leases: |
Operating lease right-of-use assets | $ | 57,924 |
Accrued liabilities and other | $ | 12,652 |
Operating lease liabilities | 47,398 |
Total operating lease liabilities | $ | 60,050 |
Additional operating lease information:
| June 30, 2019
Weighted average remaining lease term: |
Operating leases | 6.88 Years |
Weighted average discount rate: |
Operating leases | 9.41 | %
Future minimum lease payments by year and in the aggregate, under non-cancelable operating leases with terms in excess of one year consist of the following at June 30, 2019:
|  | Operating Leases
| (In Thousands)
Remainder of 2019 |  | $ | 8,948 |
2020 |  | 15,996 |
2021 |  | 11,702 |
2022 |  | 9,107 |
2023 |  | 7,844 |
Thereafter |  | 29,391 |
Total lease payments |  | 82,988 |
Less imputed interest |  | (22,938 | )
Total lease liabilities |  | $ | 60,050 |
At June 30, 2019, future minimum rental receipts under a non-cancelable sublease for office space in one of our locations totaled $5.9 million. For the three and six months ended June 30, 2019, we recognized sublease income of $0.2 million and $0.4 million, respectively.
Leases | LEASES We have operating leases for some of our transportation equipment, office space, warehouse space, operating locations, and machinery and equipment. We have finance leases for certain storage tanks and equipment rentals. These finance leases are not material to our financial statements. Our leases have remaining lease terms ranging from 1 to 16 years. Some of our leases have options to extend for various periods, while some have termination options with prior notice of generally 30 days or six months. The office space, warehouse space, operating location leases, and machinery and equipment leases generally require us to pay all maintenance and insurance costs. We do not have leases that have not yet commenced that create significant rights and obligations. Our lease agreements do not contain any material residual value guarantees or material restrictive covenants. Variable rent expense was not material. Our corporate headquarters facility located in The Woodlands, Texas, was sold on December 31, 2012, pursuant to a sale and leaseback transaction. As a condition to the consummation of the purchase and sale of the facility, the parties entered into a lease agreement for the facility having an initial lease term of 15 years, which is classified as an operating lease. Under the terms of the lease agreement, we have the ability to extend the lease for five successive five year periods at base rental rates to be determined at the time of each extension. Components of lease expense, included in either cost of revenues or general and administrative expense based on the use of the underlying asset, are as follows (inclusive of lease expense for leases not included on our consolidated balance sheet based on our accounting policy election to exclude leases with a term of 12 months or less):
| Three Months Ended June 30, 2019 |  | Six Months Ended June 30, 2019
| (In Thousands)
Operating lease expense | $ | 4,987 |  |  | $ | 10,031 |
Short-term lease expense | 9,552 |  |  | 20,713 |
Total lease expense | $ | 14,539 |  |  | $ | 30,744 |
Supplemental cash flow information:
|  | Six Months Ended June 30, 2019
|  | (In Thousands)
Cash paid for amounts included in the measurement of lease liabilities: |  |
Operating cash flows - operating leases |  | $ | 9,398 |
Right-of-use assets obtained in exchange for lease obligations: |  |
Operating leases |  | $ | 4,881 |
Supplemental balance sheet information:
| June 30, 2019
| (In Thousands)
Operating leases: |
Operating lease right-of-use assets | $ | 57,924 |
Accrued liabilities and other | $ | 12,652 |
Operating lease liabilities | 47,398 |
Total operating lease liabilities | $ | 60,050 |
Additional operating lease information:
| June 30, 2019
Weighted average remaining lease term: |
Operating leases | 6.88 Years |
Weighted average discount rate: |
Operating leases | 9.41 | %
Future minimum lease payments by year and in the aggregate, under non-cancelable operating leases with terms in excess of one year consist of the following at June 30, 2019:
|  | Operating Leases
| (In Thousands)
Remainder of 2019 |  | $ | 8,948 |
2020 |  | 15,996 |
2021 |  | 11,702 |
2022 |  | 9,107 |
2023 |  | 7,844 |
Thereafter |  | 29,391 |
Total lease payments |  | 82,988 |
Less imputed interest |  | (22,938 | )
Total lease liabilities |  | $ | 60,050 |
At June 30, 2019, future minimum rental receipts under a non-cancelable sublease for office space in one of our locations totaled $5.9 million. For the three and six months ended June 30, 2019, we recognized sublease income of $0.2 million and $0.4 million, respectively.

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- Definition The entire disclosure for finance leases of lessee. Includes, but is not limited to, description of lessee's finance lease and maturity analysis of finance 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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- 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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