Acquisitions - Pro Forma Consolidated Results (Details) (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended
	Mar. 31, 2014	Mar. 31, 2013
Business Combinations [Abstract]
Revenues	$ 119,236	$ 103,948
Sales, Pro Forma		105,709
Net income	2,823	671
Net income, Pro Forma		$ 851
EARNINGS PER COMMON SHARE:
Earnings per common share: basic (in dollars per share)	$ 0.07	$ 0.02
Earnings per common share: basic, Pro Forma (in dollars per share)		$ 0.02
Earnings per common share: diluted (in dollars per share)	$ 0.07	$ 0.02
Earnings per common share: diluted, Pro Forma (in dollars per share)		$ 0.02