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v3.19.1

Debt - Narrative (Details) | 3 Months Ended |
--- | --- | ---
Mar. 31, 2019 USD ($) | Mar. 31, 2018 USD ($) | Dec. 31, 2018 USD ($)
Notes and deferred payments to sellers, Tealstone acquisition |  |  |
Debt Instrument [Line Items] |  |  |
Promissory notes issued to the sellers | $ 5,000,000 |  |
Cash payments to the seller | 9,900,000 |  |
Deferred payments | 2,400,000 |  |
Deferred cash payments due | 7,500,000 |  |
Notes and deferred payments to sellers | 11,600,000 |  |
Accretion expense | $ 300,000 | $ 300,000 |
Notes and deferred payments to sellers, Tealstone acquisition | Measurement Input, Discount Rate |  |  |
Debt Instrument [Line Items] |  |  |
Fair value inputs, discount rate | 0.12 |  |
Notes payable for transportation and construction equipment and other |  |  |
Debt Instrument [Line Items] |  |  |
Notes Payable | $ 474,000 |  | $ 612,000
Notes payable, noncurrent | 500,000 |  | 600,000
Senior secured term loans | Oaktree facility | Equipment-based facility |  |  |
Debt Instrument [Line Items] |  |  |
Oaktree Facility | 71,602,000 |  | $ 74,571,000
Senior secured term loans | Term loan | Loan and security agreement |  |  |
Debt Instrument [Line Items] |  |  |
Debt instrument face amount | $ 85,000,000 |  |
Loan prepayment offer required to make quarterly, percentage | 75.00% |  |
Debt instrument, financial covenants, maximum ratio of secured indebtedness to EBITDA, period one | 2 |  |
Debt Instrument, financial covenants, maximum ratio of secured indebtedness to EBITDA, period two | 1.8 |  |
Debt Instrument, financial covenants, minimum daily cash collateral, period two | $ 15,000,000 |  |
Debt Instrument, financial covenants, minimum rolling four quarter gross margin in contract backlog, period two | 70,000,000 |  |
Debt instrument, financial covenants, maximum incurrence of net capital expenditures during each of four consecutive fiscal quarters | 15,000,000 |  |
Debt instrument, financial covenants, minimum bonding capacity | 1,000,000,000 |  |
Debt instrument, financial covenants, minimum EBITDA during each four consecutive fiscal quarters | $ 12,000,000 |  |
Senior secured term loans | Term loan | Loan and security agreement | London Interbank Offered Rate (LIBOR) |  |  |
Debt Instrument [Line Items] |  |  |
Debt instrument, basis spread on variable rate | 8.75% |  |
Notes payable for transportation and construction equipment and other | Minimum |  |  |
Debt Instrument [Line Items] |  |  |
Debt instrument, term | 3 years |  |
Debt instrument, interest rate, stated percentage | 2.99% |  |
Notes payable for transportation and construction equipment and other | Maximum |  |  |
Debt Instrument [Line Items] |  |  |
Debt instrument, term | 5 years |  |
Debt instrument, interest rate, stated percentage | 6.92% |  |

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- Definition Represents the maximum incurrence of net capital expenditures during each of four consecutive fiscal quarters under the financial covenants pursuant to a debt instrument. + References No definition available. + Details
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- Definition Represents the percentage of excess cash flow, plus accrued and unpaid interest thereon and a prepayment premium, required to be made quarterly to the lenders to prepay the loan. + References No definition available. + Details
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- Definition The amount of notes payable and deferred payments that an Entity incurred in acquiring a business or in consideration for an asset received in a noncash (or part noncash) acquisition. Noncash is defined as transactions during a period that affect recognized assets or liabilities but that do not result in cash receipts or cash payments in the period. "Part noncash" refers to that portion of the transaction not resulting in cash receipts or cash payments in the period. + References No definition available. + Details
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- Definition Period of time between issuance and maturity of debt instrument, in PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. + References No definition available. + Details
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