CONSOLIDATED COMPREHENSIVE INCOME STATEMENTS (USD $) In Thousands, unless otherwise specified	12 Months Ended
Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
Statement of Comprehensive Income [Abstract]
Net income	$ 32,534us-gaap_NetIncomeLoss	$ 22,963us-gaap_NetIncomeLoss	$ 16,553us-gaap_NetIncomeLoss
Other comprehensive income (loss):
Change in foreign currency translation adjustment	(7,428)	1,930	114
Comprehensive income	$ 25,106us-gaap_ComprehensiveIncomeNetOfTax	$ 24,893us-gaap_ComprehensiveIncomeNetOfTax	$ 16,667us-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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