Condensed Consolidated Statements of Comprehensive Income (Unaudited) (USD $) In Thousands, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2013	Sep. 30, 2012	Sep. 30, 2013	Sep. 30, 2012
Statement of Other Comprehensive Income [Abstract]
Net income	$ 1,384	$ 951	$ 39,406	$ 3,309
Other comprehensive income (loss):
Foreign currency translation, net of income tax expense (benefit) of $(7), $(13), $14 and $(13)	112	54	(220)	(21)
Comprehensive income	$ 1,496	$ 1,005	$ 39,186	$ 3,288