Condensed Consolidated Statements of Operations - USD ($) shares in Thousands, $ in Thousands	3 Months Ended
	Mar. 31, 2020	Mar. 31, 2019
Income Statement [Abstract]
Revenues	$ 187,105	$ 243,164
Cost of Revenues	166,802	210,075
Gross Profit	20,303	33,089
Selling, General and Administrative Expenses	17,099	15,199
Amortization Expense	860	321
Impairment Expense	28,867	0
Operating (Loss) Income	(26,523)	17,569
Interest and Other Expense	5,365	4,396
(Loss) Income Before Provision for Income Taxes	(31,888)	13,173
(Benefit) Provision for Income Taxes	(7,294)	3,187
Total comprehensive loss	(32,624)	9,780
Net (Loss) Income	$ (24,594)	$ 9,986
(Loss) earnings per Common Share:
Basic (in dollars per share)	$ (0.80)	$ 0.33
Diluted (in dollars per share)	$ (0.80)	$ 0.33
Weighted Average Shares Outstanding:
Basic (in shares)	30,806	30,513
Diluted (in shares)	30,806	30,694