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- Definition

The amount of goodwill arising from a business combination that is expected to be deductible for tax purposes.

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- Definition

The pro forma net Income or Loss for the period as if the business combination or combinations had been completed at the beginning of a period.

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- Definition

The pro forma revenue for a period as if the business combination or combinations had been completed at the beginning of the period.

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- Definition

This element represents acquisition-related costs incurred to effect a business combination which costs have been expensed during the period. Such costs include finder's fees; advisory, legal, accounting, valuation, and other professional or consulting fees; general administrative costs, including the costs of maintaining an internal acquisitions department; and may include costs of registering and issuing debt and equity securities.

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- Definition

Amount of consideration transferred, consisting of acquisition-date fair value of assets transferred by the acquirer, liabilities incurred by the acquirer, and equity interest issued by the acquirer.

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Amount of income (loss) from continuing operations, including income (loss) from equity method investments, before deduction of income tax expense (benefit), and income (loss) attributable to noncontrolling interest.

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Amount of revenue recognized from goods sold, services rendered, insurance premiums, or other activities that constitute an earning process. Includes, but is not limited to, investment and interest income before deduction of interest expense when recognized as a component of revenue, and sales and trading gain (loss).

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Acquisitions - Pro forma information and acquisition cost (Details) - USD ($) $ in Thousands		3 Months Ended								12 Months Ended
	Jul. 01, 2019	Dec. 31, 2019	Sep. 30, 2019	Jun. 30, 2019	Mar. 31, 2019	Dec. 31, 2018	Sep. 30, 2018	Jun. 30, 2018	Mar. 31, 2018	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017	Jun. 19, 2019
Pro forma information
Revenue		$ 76,113	$ 81,643	$ 81,358	$ 81,982	$ 96,152	$ 60,326	$ 45,476	$ 38,646	$ 321,096	$ 240,600	$ 134,235
Income (loss) before income taxes										13,843	16,711	26,565
Acquisition related cost					$ 38,100
Selling, general, and administrative expenses
Pro forma information
Acquisition related cost										8,000
Signor
Pro forma information
Revenue, if acquired beginning of the year											301,842	172,972
Income before taxes, if acquired beginning of the year											41,175	22,097
Revenue											30,100
Income (loss) before income taxes											12,500
Signor \| Selling, general, and administrative expenses
Pro forma information
Acquisition related cost											5,200
Superior
Pro forma information
Revenue, if acquired beginning of the year										325,845	252,706
Income before taxes, if acquired beginning of the year										15,557	$ 20,553
Revenue										7,800
Income (loss) before income taxes										4,000
Acquisition related cost										$ 400
Goodwill expected to be deductible for tax purposes													$ 6,900
Pro Petro
Pro forma information
Purchase price	$ 5,000
Iron Horse
Pro forma information
Revenue, if acquired beginning of the year												145,974
Income before taxes, if acquired beginning of the year												26,128
Revenue												13,100
Income (loss) before income taxes												$ 1,500