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Property and Equipment | 12 Months Ended
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Dec. 31, 2017
Property, Plant and Equipment [Abstract] |
Property and Equipment | Property and Equipment Property and equipment are summarized as follows (amounts in thousands):
| As of December 31,
| 2017 |  | 2016
Construction equipment | $ | 118,868 |  |  | $ | 121,441 |
Transportation equipment | 17,511 |  |  | 19,017 |
Buildings | 9,577 |  |  | 12,771 |
Office equipment | 3,339 |  |  | 3,108 |
Leasehold improvement | 914 |  |  | 914 |
Construction in progress | 258 |  |  | 313 |
Land | 2,348 |  |  | 3,509 |
Water rights | 200 |  |  | 200 |
| 153,015 |  |  | 161,273 |
Less accumulated depreciation | (98,609 | ) |  | (93,146 | )
| $ | 54,406 |  |  | $ | 68,127 |
Assets Sold During the twelve months ended December 31, 2017, we sold an office, equipment shop and yard facility, located in Texas. The property had a net book value of $4.1 million, and we received $3.0 million, after selling costs. As such, we recorded a loss of approximately $1.1 million in “Other operating expense, net” for the twelve months ended December 31, 2017. On August 24, 2015, the Company completed the sale of a parcel of land located in Harris County, Texas to Joseph P. Harper, Sr., former President and Chief Operating Officer of the Company. Proceeds received were approximately $2.4 million. Upon completion of the sale, the Company recognized a gain of approximately $1.4 million included in “Other operating expense, net” on the consolidated statement of operations.

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- Definition The entire disclosure for long-lived, physical assets used in the normal conduct of business and not intended for resale. Includes, but is not limited to, accounting policies and methodology, roll forwards, depreciation, depletion and amortization expense, including composite depreciation, accumulated depreciation, depletion and amortization expense, useful lives and method used, income statement disclosures, assets held for sale and public utility disclosures. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 360 -URI http://asc.fasb.org/topic&trid=2155823 + Details
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