CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (USD $) In Thousands, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2013	Sep. 30, 2012	Sep. 30, 2013	Sep. 30, 2012
CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME
Net income	$ 4,789	$ 3,947	$ 12,171	$ 12,631
Other comprehensive income
Mark to market of interest rate hedges, net of tax expenses of $81 and $59, respectively, for the quarters, and $310 and $193, respectively, for the nine-month periods	142	104	542	338
Total other comprehensive income	142	104	542	338
Comprehensive income	$ 4,931	$ 4,051	$ 12,713	$ 12,969