CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (USD $) In Thousands, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2014	Jun. 30, 2013	Jun. 30, 2014	Jun. 30, 2013
Statement of Comprehensive Income [Abstract]
Net income	$ 3,716	$ 3,752	$ 6,539	$ 4,423
Other comprehensive income (loss):
Interest rate swap	(782)	2,886	(860)	3,255
Less income tax benefit (expense)	304	(1,123)	334	(1,266)
Foreign currency translation adjustment	(62)	168	(57)	(81)
Less income tax benefit (expense)	(21)	(16)	31	8
Total other comprehensive income (loss)	(561)	1,915	(552)	1,916
Total comprehensive income	$ 3,155	$ 5,667	$ 5,987	$ 6,339