Condensed Consolidated Statements of Income - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2016	Jun. 30, 2015	Jun. 30, 2016	Jun. 30, 2015
Income Statement [Abstract]
Revenues	$ 178,251	$ 217,617	$ 358,543	$ 437,920
Cost of Revenues	153,920	188,111	308,507	379,340
Gross Profit	24,331	29,506	50,036	58,580
Selling, General and Administrative Expenses	15,585	17,585	32,376	35,124
Amortization Expense	319	333	652	669
Operating Income	8,427	11,588	17,008	22,787
Interest and Other Expense	4,926	5,056	9,784	10,153
Income Before Provision for Income Taxes	3,501	6,532	7,224	12,634
Provision for Income Taxes	781	3,327	1,941	5,836
Net Income	2,720	3,205	5,283	6,798
Less: Non-controlling interest in subsidiary’s income	0	0	0	1
Net Income Attributable to CVG Stockholders	$ 2,720	$ 3,205	$ 5,283	$ 6,797
Earnings per Common Share:
Basic and Diluted (in dollars per share)	$ 0.09	$ 0.11	$ 0.18	$ 0.23
Weighted Average Shares Outstanding:
Basic (in shares)	29,449	29,149	29,449	29,149
Diluted (in shares)	29,756	29,336	29,632	29,271