Statements of Comprehensive Income (Unaudited) (USD $) In Thousands, unless otherwise specified	3 Months Ended	9 Months Ended
Sep. 30, 2014	Sep. 30, 2013	Sep. 30, 2014	Sep. 30, 2013
Net income	$ 9,191us-gaap_NetIncomeLoss	$ 6,378us-gaap_NetIncomeLoss	$ 11,794us-gaap_NetIncomeLoss	$ 9,518us-gaap_NetIncomeLoss
Other comprehensive income (loss):
Foreign currency translation adjustment	(1,512)	332	(1,502)	(458)
Comprehensive income	$ 7,679us-gaap_ComprehensiveIncomeNetOfTax	$ 6,710us-gaap_ComprehensiveIncomeNetOfTax	$ 10,292us-gaap_ComprehensiveIncomeNetOfTax	$ 9,060us-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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