CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (USD $) In Thousands, unless otherwise specified	12 Months Ended
Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME
Net income	$ 23,163us-gaap_NetIncomeLoss	$ 21,432us-gaap_NetIncomeLoss	$ 16,107us-gaap_NetIncomeLoss
Other comprehensive income, net of reclassification adjustments:
Foreign currency translation adjustment	(273)	(72)	(27)
Total comprehensive income	$ 22,890us-gaap_ComprehensiveIncomeNetOfTax	$ 21,360us-gaap_ComprehensiveIncomeNetOfTax	$ 16,080us-gaap_ComprehensiveIncomeNetOfTax

The portion of profit or loss for the period, net of income taxes, which is attributable to the parent.

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