Consolidated Statements of Comprehensive Loss (unaudited) (USD $) In Thousands, except Share data, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2013	Jun. 30, 2012	Jun. 30, 2013	Jun. 30, 2012
Revenues	$ 156,148	$ 127,777	$ 304,851	$ 251,515
Costs and expenses:
Costs of revenues	102,118	84,223	199,502	165,396
Selling, general and administrative expenses	34,076	27,729	67,333	56,361
Depreciation and amortization	15,822	13,762	32,148	27,787
Total costs and expenses	152,016	125,714	298,983	249,544
Income from operations	4,132	2,063	5,868	1,971
Interest and other expenses, net:
Interest expense, net	7,541	6,556	15,119	13,018
Other (income) expense, net	205	(321)	205	(156)
Gain on interest rate swap	(46)	(61)	(94)	(115)
Total interest and other expenses, net	7,700	6,174	15,230	12,747
Loss before income taxes	(3,568)	(4,111)	(9,362)	(10,776)
Benefit for income taxes	(785)	(804)	(2,987)	(3,146)
Net loss	(2,783)	(3,307)	(6,375)	(7,630)
Net loss per share:
Basic and diluted (in Dollars per share)	$ (0.08)	$ (0.10)	$ (0.18)	$ (0.22)
Weighted average number of common shares outstanding:
Basic and diluted (in Shares)	34,910,937	34,074,137	34,685,892	34,080,121
Comprehensive Loss:
Net loss	(2,783)	(3,307)	(6,375)	(7,630)
Foreign currency translation adjustments, net of tax	(5,731)	(1,736)	(9,982)	714
Total comprehensive loss	$ (8,514)	$ (5,043)	$ (16,357)	$ (6,916)