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v3.19.3.a.u2

Property and Equipment (Tables) | 12 Months Ended
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Dec. 31, 2019
Property and Equipment |
Schedule of property and equipment | Property and equipment consisted of the following at December 31:
|  | Estimated |  |  |  |  |  |
|  | Useful Life |  |  |  |  |  |
(dollars in thousands) |  | in Years |  | 2019 |  | 2018
Land |  |  | — |  | $ | 9,301 |  | $ | 8,475
Buildings and improvements |  |  | 3 to 39 |  |  | 29,747 |  |  | 23,228
Construction equipment |  |  | 3 to 12 |  |  | 403,217 |  |  | 371,941
Office equipment |  |  | 3 to 10 |  |  | 15,944 |  |  | 11,743
|  |  |  |  |  | 458,209 |  |  | 415,387
Less: accumulated depreciation and amortization |  |  |  |  |  | (272,865) |  |  | (253,495)
|  |  |  |  | $ | 185,344 |  | $ | 161,892

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- Definition Tabular disclosure of physical assets used in the normal conduct of business and not intended for resale. Includes, but is not limited to, balances by class of assets, depreciation and depletion expense and method used, including composite depreciation, and accumulated deprecation. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(13)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 360 -SubTopic 10 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6391035&loc=d3e2868-110229 + Details
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