Condensed Consolidated Statements of Operations - USD ($) shares in Thousands, $ in Thousands	3 Months Ended
	Mar. 31, 2017	Mar. 31, 2016
Income Statement [Abstract]
Revenues	$ 173,416	$ 180,291
Cost of Revenues	151,913	154,587
Gross Profit	21,503	25,704
Selling, General and Administrative Expenses	16,619	16,790
Amortization Expense	327	334
Operating Income	4,557	8,580
Interest and Other Expense	4,565	4,857
(Loss) Income Before Provision for Income Taxes	(8)	3,723
(Benefit) Provision for Income Taxes	(636)	1,160
Net Income	$ 628	$ 2,563
Earnings per Common Share:
Basic and Diluted (in dollars per share)	$ 0.02	$ 0.09
Weighted Average Shares Outstanding:
Basic (in shares)	29,872	29,449
Diluted (in shares)	30,194	29,509